first

wp-content/plugins/visual-portfolio/vendors/class-settings-api.php

@@ -0,0 +1,989 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+/**
+ * Visual Portfolio Settings API wrapper class
+ * based on weDevs Settings API
+ *
+ * ADDED PR: https://github.com/tareq1988/wordpress-settings-api-class/pull/47
+ * ADDED: enqueue scripts manually, without `admin_enqueue_scripts` action.
+ * ADDED: new controls such as toggle and number slider.
+ *
+ * @author Tareq Hasan <tareq@weDevs.com>
+ * @link https://tareq.co Tareq Hasan
+ */
+class Visual_Portfolio_Settings_API {
+
+    /**
+     * Settings sections array
+     *
+     * @var array
+     */
+    protected $settings_sections = array();
+
+    /**
+     * Settings fields array
+     *
+     * @var array
+     */
+    protected $settings_fields = array();
+
+    /**
+     * Visual_Portfolio_Settings_API constructor.
+     */
+    public function __construct() {
+        // add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
+    }
+
+    /**
+     * Enqueue scripts and styles
+     */
+    public function admin_enqueue_scripts() {
+        wp_enqueue_style( 'wp-color-picker' );
+
+        wp_enqueue_media();
+        wp_enqueue_script( 'wp-color-picker' );
+        wp_enqueue_script( 'jquery' );
+        Visual_Portfolio_Assets::enqueue_script( 'conditionize', 'assets/vendor/conditionize/conditionize.min', array( 'jquery' ), '1.0.5' );
+
+        Visual_Portfolio_Assets::enqueue_style( 'select2', 'assets/vendor/select2/select2.min', array(), '4.0.13' );
+        Visual_Portfolio_Assets::enqueue_script( 'select2', 'assets/vendor/select2/select2.min', array( 'jquery' ), '4.0.13' );
+    }
+
+    /**
+     * Set settings sections
+     *
+     * @param array $sections setting sections array
+     */
+    public function set_sections( $sections ) {
+        $this->settings_sections = $sections;
+
+        return $this;
+    }
+
+    /**
+     * Add a single section
+     *
+     * @param array $section
+     */
+    public function add_section( $section ) {
+        $this->settings_sections[] = $section;
+
+        return $this;
+    }
+
+    /**
+     * Set settings fields
+     *
+     * @param array $fields settings fields array
+     */
+    public function set_fields( $fields ) {
+        $this->settings_fields = $fields;
+
+        return $this;
+    }
+
+    public function add_field( $section, $field ) {
+        $defaults = array(
+            'name'   => '',
+            'label'  => '',
+            'desc'   => '',
+            'type'   => 'text',
+            'is_pro' => false,
+        );
+
+        $arg = wp_parse_args( $field, $defaults );
+        $this->settings_fields[ $section ][] = $arg;
+
+        return $this;
+    }
+
+    /**
+     * Initialize and registers the settings sections and fileds to WordPress
+     *
+     * Usually this should be called at `admin_init` hook.
+     *
+     * This function gets the initiated settings sections and fields. Then
+     * registers them to WordPress and ready for use.
+     */
+    public function admin_init() {
+        // register settings sections
+        foreach ( $this->settings_sections as $section ) {
+            if ( false == get_option( $section['id'] ) ) {
+                add_option( $section['id'] );
+            }
+
+            if ( isset( $section['desc'] ) && ! empty( $section['desc'] ) ) {
+                $section['desc'] = '<div class="inside">' . $section['desc'] . '</div>';
+                $callback = create_function( '', 'echo "' . str_replace( '"', '\"', $section['desc'] ) . '";' );
+            } elseif ( isset( $section['callback'] ) ) {
+                $callback = $section['callback'];
+            } else {
+                $callback = null;
+            }
+
+            add_settings_section( $section['id'], $section['title'], $callback, $section['id'] );
+        }
+
+        // register settings fields
+        foreach ( $this->settings_fields as $section => $field ) {
+            foreach ( $field as $option ) {
+
+                $name = $option['name'];
+                $type = isset( $option['type'] ) ? $option['type'] : 'text';
+                $label = isset( $option['label'] ) ? $option['label'] : '';
+                $callback = isset( $option['callback'] ) ? $option['callback'] : array( $this, 'callback_' . $type );
+                $class_name = isset( $option['class'] ) ? $option['class'] : $name;
+                $is_pro = isset( $option['is_pro'] ) ? $option['is_pro'] : false;
+
+                if ( $is_pro ) {
+                    $class_name .= ' vpf-settings-control-pro';
+                    $go_pro_url = Visual_Portfolio_Admin::get_plugin_site_url(
+                        array(
+                            'utm_medium'   => 'settings_page',
+                            'utm_campaign' => esc_attr( $name ),
+                        )
+                    );
+                    $label .= '<a class="vpf-settings-control-pro-label" target="_blank" rel="noopener noreferrer" href="' . esc_url( $go_pro_url ) . '">?<span>' . esc_html__( 'This feature is available in the Pro plugin only.', 'visual-portfolio' ) . '</span></a>';
+                }
+
+                $args = array(
+                    'id'                => $name,
+                    'class'             => $class_name,
+                    'label_for'         => "{$section}[{$name}]",
+                    'desc'              => isset( $option['desc'] ) ? $option['desc'] : '',
+                    'name'              => $label,
+                    'section'           => $section,
+                    'size'              => isset( $option['size'] ) ? $option['size'] : null,
+                    'options'           => isset( $option['options'] ) ? $option['options'] : '',
+                    'std'               => isset( $option['default'] ) ? $option['default'] : '',
+                    'sanitize_callback' => isset( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : '',
+                    'type'              => $type,
+                    'placeholder'       => isset( $option['placeholder'] ) ? $option['placeholder'] : '',
+                    'min'               => isset( $option['min'] ) ? $option['min'] : '',
+                    'max'               => isset( $option['max'] ) ? $option['max'] : '',
+                    'step'              => isset( $option['step'] ) ? $option['step'] : '',
+                    'is_pro'            => isset( $option['is_pro'] ) ? $option['is_pro'] : false,
+                    'condition'         => isset( $option['condition'] ) ? $option['condition'] : null,
+                    'conditionize'      => isset( $option['condition'] ) ? $this->convert_arguments_to_conditionize_string( $option['condition'] ) : '',
+                );
+
+                add_settings_field( "{$section}[{$name}]", $label, $callback, $section, $section, $args );
+            }
+        }
+
+        // creates our settings in the options table
+        foreach ( $this->settings_sections as $section ) {
+            register_setting( $section['id'], $section['id'], array( $this, 'sanitize_options' ) );
+        }
+    }
+
+    /**
+     * Get field description for display
+     *
+     * @param array $args settings field args
+     */
+    public function get_field_description( $args ) {
+        if ( ! empty( $args['desc'] ) ) {
+            $desc = sprintf( '<p class="description">%s</p>', $args['desc'] );
+        } else {
+            $desc = '';
+        }
+
+        return $desc;
+    }
+
+    /**
+     * Displays a text field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_text( $args ) {
+
+        $value       = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size        = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $type        = isset( $args['type'] ) ? $args['type'] : 'text';
+        $placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
+
+        $html        = sprintf( '<input type="%1$s" class="%2$s-text" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder );
+        $html       .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a url field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_url( $args ) {
+        $this->callback_text( $args );
+    }
+
+    /**
+     * Displays a number field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_number( $args ) {
+        $value       = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size        = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $type        = isset( $args['type'] ) ? $args['type'] : 'number';
+        $placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
+        $min         = empty( $args['min'] ) ? '' : ' min="' . $args['min'] . '"';
+        $max         = empty( $args['max'] ) ? '' : ' max="' . $args['max'] . '"';
+        $step        = empty( $args['max'] ) ? '' : ' step="' . $args['step'] . '"';
+
+        $html        = sprintf( '<input type="%1$s" class="%2$s-number" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s%7$s%8$s%9$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder, $min, $max, $step );
+        $html       .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a checkbox for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_checkbox( $args ) {
+
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+
+        $html  = '<fieldset>';
+        $html  .= sprintf( '<label for="wpuf-%1$s[%2$s]">', $args['section'], $args['id'] );
+        $html  .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="off" />', $args['section'], $args['id'] );
+        $html  .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s[%2$s]" name="%1$s[%2$s]" value="on" %3$s />', $args['section'], $args['id'], checked( $value, 'on', false ) );
+        $html  .= sprintf( '<span class="description">%1$s</span></label>', $args['desc'] );
+        $html  .= '</fieldset>';
+
+        echo $html;
+    }
+
+    /**
+     * Displays a multicheckbox for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_multicheck( $args ) {
+
+        $value = $this->get_option( $args['id'], $args['section'], $args['std'] );
+        $html  = '<fieldset>';
+        $html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="" />', $args['section'], $args['id'] );
+        foreach ( $args['options'] as $key => $label ) {
+            $checked = isset( $value[ $key ] ) ? $value[ $key ] : '0';
+            $html    .= sprintf( '<label for="wpuf-%1$s[%2$s][%3$s]">', $args['section'], $args['id'], $key );
+            $html    .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s[%2$s][%3$s]" name="%1$s[%2$s][%3$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $checked, $key, false ) );
+            $html    .= sprintf( '<span class="description">%1$s</span></label><br>', $label );
+        }
+
+        $html .= $this->get_field_description( $args );
+        $html .= '</fieldset>';
+
+        echo $html;
+    }
+
+    /**
+     * Displays a radio button for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_radio( $args ) {
+
+        $value = $this->get_option( $args['id'], $args['section'], $args['std'] );
+        $html  = '<fieldset>';
+
+        foreach ( $args['options'] as $key => $label ) {
+            $html .= sprintf( '<label for="wpuf-%1$s[%2$s][%3$s]">', $args['section'], $args['id'], $key );
+            $html .= sprintf( '<input type="radio" class="radio" id="wpuf-%1$s[%2$s][%3$s]" name="%1$s[%2$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $value, $key, false ) );
+            $html .= sprintf( '<span class="description">%1$s</span></label><br>', $label );
+        }
+
+        $html .= $this->get_field_description( $args );
+        $html .= '</fieldset>';
+
+        echo $html;
+    }
+
+    /**
+     * Displays a selectbox for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_select( $args ) {
+
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $classes  = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $html  = sprintf( '<select class="%1$s" name="%2$s[%3$s]" id="%2$s[%3$s]">', $classes, $args['section'], $args['id'] );
+
+        foreach ( $args['options'] as $key => $label ) {
+            $html .= sprintf( '<option value="%s"%s>%s</option>', $key, selected( $value, $key, false ), $label );
+        }
+
+        $html .= sprintf( '</select>' );
+        $html .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a textarea for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_textarea( $args ) {
+
+        $value       = esc_textarea( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size        = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
+
+        $html        = sprintf( '<textarea rows="5" cols="55" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]"%4$s>%5$s</textarea>', $size, $args['section'], $args['id'], $placeholder, $value );
+        $html        .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays the html for a settings field
+     *
+     * @param array $args settings field args
+     * @return string
+     */
+    public function callback_html( $args ) {
+        echo $this->get_field_description( $args );
+    }
+
+    /**
+     * Displays the section title for a settings field
+     *
+     * @param array $args settings field args
+     * @return string
+     */
+    public function callback_section_title( $args ) {
+        echo $this->get_field_description( $args );
+    }
+
+    /**
+     * Displays a rich text textarea for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_wysiwyg( $args ) {
+
+        $value = $this->get_option( $args['id'], $args['section'], $args['std'] );
+        $size  = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : '500px';
+
+        echo '<div style="max-width: ' . $size . ';">';
+
+        $editor_settings = array(
+            'teeny'         => true,
+            'textarea_name' => $args['section'] . '[' . $args['id'] . ']',
+            'textarea_rows' => 10,
+        );
+
+        if ( isset( $args['options'] ) && is_array( $args['options'] ) ) {
+            $editor_settings = array_merge( $editor_settings, $args['options'] );
+        }
+
+        wp_editor( $value, $args['section'] . '-' . $args['id'], $editor_settings );
+
+        echo '</div>';
+
+        echo $this->get_field_description( $args );
+    }
+
+    /**
+     * Displays a file upload field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_file( $args ) {
+
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size  = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $id    = $args['section'] . '[' . $args['id'] . ']';
+        $label = isset( $args['options']['button_label'] ) ? $args['options']['button_label'] : __( 'Choose File' );
+
+        $html  = sprintf( '<input type="text" class="%1$s-text wpsa-url" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );
+        $html  .= '<input type="button" class="button wpsa-browse" value="' . $label . '" />';
+        $html  .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a image upload field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_image( $args ) {
+
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $id = $args['section'] . '[' . $args['id'] . ']';
+        $label = isset( $args['options']['button_label'] ) ? $args['options']['button_label'] : __( 'Choose Image' );
+        $label_remove = isset( $args['options']['button_remove_label'] ) ? $args['options']['button_remove_label'] : __( 'Remove Image' );
+        $img = wp_get_attachment_image_src( $value, $args['size'] ? $args['size'] : 'thumbnail' );
+        $img_url = $img ? $img[0] : '';
+
+        $html  = sprintf( '<input type="hidden" class="%1$s-text wpsa-image-id" id="%2$s" name="%2$s" value="%3$s"/>', $size, $id, $value );
+        $html .= '<p class="wpsa-image-preview"><img src="' . $img_url . '" /></p>';
+        $html .= '<input type="button" class="button button-primary wpsa-image-browse" value="' . $label . '" />';
+        $html .= '<input type="button" class="button button-link wpsa-image-remove" value="' . $label_remove . '" />';
+        $html .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a password field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_password( $args ) {
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size  = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+
+        $html  = sprintf( '<input type="password" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );
+        $html  .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a color picker field for a settings field
+     *
+     * @param array $args settings field args
+     */
+    public function callback_color( $args ) {
+
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size  = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+
+        $html  = sprintf( '<input type="text" class="%1$s-text wp-color-picker-field" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s" data-default-color="%5$s" />', $size, $args['section'], $args['id'], $value, $args['std'] );
+        $html  .= $this->get_field_description( $args );
+
+        echo $html;
+    }
+
+
+    /**
+     * Displays a select box for creating the pages select box
+     *
+     * @param array $args settings field args
+     */
+    public function callback_pages( $args ) {
+
+        $dropdown_args = array(
+            'selected' => esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ),
+            'name'     => $args['section'] . '[' . $args['id'] . ']',
+            'id'       => $args['section'] . '[' . $args['id'] . ']',
+            'echo'     => 0,
+        );
+        $html = wp_dropdown_pages( $dropdown_args );
+        echo $html;
+    }
+
+    /**
+     * Displays a toggle field for a settings field
+     *
+     * @param array $args settings field args.
+     */
+    public function callback_toggle( $args ) {
+        $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+
+        $html = sprintf( '<label for="wpuf-%1$s[%2$s]" class="vp-toggle-field">', $args['section'], $args['id'] );
+        $html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="off" />', esc_attr( $args['section'] ), esc_attr( $args['id'] ) );
+        $html .= sprintf( '<input type="checkbox" id="wpuf-%1$s[%2$s]" name="%1$s[%2$s]" value="on" %3$s/>', esc_attr( $args['section'] ), esc_attr( $args['id'] ), checked( $value, 'on', false ) );
+        $html  .= sprintf( '<span class="vp-toggle-field-slider-round"></span><span class="description">%1$s</span></label>', $args['desc'] );
+
+        echo $html;
+    }
+
+    /**
+     * Displays a range field for a settings field
+     *
+     * @param array $args settings field args.
+     */
+    public function callback_range( $args ) {
+
+        $value       = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size        = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $type        = isset( $args['type'] ) ? $args['type'] : 'range';
+        $placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
+        $min         = empty( $args['min'] ) ? '' : ' min="' . $args['min'] . '"';
+        $max         = empty( $args['max'] ) ? '' : ' max="' . $args['max'] . '"';
+        $step        = empty( $args['max'] ) ? '' : ' step="' . $args['step'] . '"';
+        ?>
+        <?php
+            echo sprintf(
+                '<input type="%1$s" class="%2$s-range vp-range-field" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s%7$s%8$s%9$s/>',
+                esc_attr( $type ),
+                esc_attr( $size ),
+                esc_attr( $args['section'] ),
+                esc_attr( $args['id'] ),
+                esc_attr( $value ),
+                esc_attr( $placeholder ),
+                esc_attr( $min ),
+                esc_attr( $max ),
+                esc_attr( $step )
+            );
+            echo sprintf(
+                '<input type="number" class="number-range vp-range-number-field" name="%1$s[%2$s]" value="%3$s"%4$s%5$s%6$s%7$s/>',
+                esc_attr( $args['section'] ),
+                esc_attr( $args['id'] ),
+                esc_attr( $value ),
+                esc_attr( $placeholder ),
+                esc_attr( $min ),
+                esc_attr( $max ),
+                esc_attr( $step )
+            );
+            echo wp_kses_post( $this->get_field_description( $args ) );
+        ?>
+        <?php
+    }
+
+    /**
+     * Displays a hidden field for a settings field
+     *
+     * @param array $args settings field args.
+     */
+    public function callback_hidden( $args ) {
+
+        $value       = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
+        $size        = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';
+        $type        = isset( $args['type'] ) ? $args['type'] : 'hidden';
+        $placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
+
+        echo sprintf(
+            '<input type="%1$s" class="%2$s-text" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s/>',
+            esc_attr( $type ),
+            esc_attr( $size ),
+            esc_attr( $args['section'] ),
+            esc_attr( $args['id'] ),
+            esc_attr( $value ),
+            esc_attr( $placeholder )
+        );
+        echo wp_kses_post( $this->get_field_description( $args ) );
+    }
+
+    /**
+     * Sanitize callback for Settings API
+     *
+     * @return mixed
+     */
+    public function sanitize_options( $options ) {
+
+        if ( ! $options ) {
+            return $options;
+        }
+
+        foreach ( $options as $option_slug => $option_value ) {
+            $sanitize_callback = $this->get_sanitize_callback( $option_slug );
+
+            // If callback is set, call it
+            if ( $sanitize_callback ) {
+                $options[ $option_slug ] = call_user_func( $sanitize_callback, $option_value );
+                continue;
+            }
+        }
+
+        return $options;
+    }
+
+    /**
+     * Get sanitization callback for given option slug
+     *
+     * @param string $slug option slug
+     *
+     * @return mixed string or bool false
+     */
+    public function get_sanitize_callback( $slug = '' ) {
+        if ( empty( $slug ) ) {
+            return false;
+        }
+
+        // Iterate over registered fields and see if we can find proper callback
+        foreach ( $this->settings_fields as $section => $options ) {
+            foreach ( $options as $option ) {
+                if ( $option['name'] != $slug ) {
+                    continue;
+                }
+
+                // Return the callback name
+                return isset( $option['sanitize_callback'] ) && is_callable( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the value of a settings field
+     *
+     * @param string $option  settings field name
+     * @param string $section the section name this field belongs to
+     * @param string $default default text if it's not found
+     * @return string
+     */
+    public function get_option( $option, $section, $default = '' ) {
+
+        $options = get_option( $section );
+
+        if ( isset( $options[ $option ] ) ) {
+            return $options[ $option ];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Show navigations as tab
+     *
+     * Shows all the settings section labels as tab
+     */
+    public function show_navigation() {
+        $html = '<h2 class="nav-tab-wrapper">';
+
+        $count = count( $this->settings_sections );
+
+        // don't show the navigation if only one section exists
+        if ( $count === 1 ) {
+            return;
+        }
+
+        foreach ( $this->settings_sections as $tab ) {
+            $html .= sprintf( '<a href="#%1$s" class="nav-tab" id="%1$s-tab">%2$s%3$s</a>', $tab['id'], isset( $tab['icon'] ) ? $tab['icon'] : '', $tab['title'] );
+        }
+
+        $html .= '</h2>';
+
+        echo $html;
+    }
+
+    /**
+     * Tabbable JavaScript codes & Initiate Color Picker
+     *
+     * This code uses localstorage for displaying active tabs
+     */
+    public function script() {
+        ?>
+        <script>
+            jQuery(function($) {
+                // Initiate Conditionize
+                $( '.metabox-holder' ).conditionize();
+
+                // Initiate Color Picker
+                $('.wp-color-picker-field').wpColorPicker();
+
+                // Switches option sections
+                $('.group').hide();
+                var activetab = '';
+                if (typeof(localStorage) != 'undefined' ) {
+                    activetab = localStorage.getItem("activetab");
+                }
+
+                //if url has section id as hash then set it as active or override the current local storage value
+                if(window.location.hash){
+                    activetab = window.location.hash;
+                    if (typeof(localStorage) != 'undefined' ) {
+                        localStorage.setItem("activetab", activetab);
+                    }
+                }
+
+                if (activetab != '' && $(activetab).length ) {
+                    $(activetab).fadeIn();
+                } else {
+                    $('.group:first').fadeIn();
+                }
+                $('.group .collapsed').each(function(){
+                    $(this).find('input:checked').parent().parent().parent().nextAll().each(
+                        function(){
+                            if ($(this).hasClass('last')) {
+                                $(this).removeClass('hidden');
+                                return false;
+                            }
+                            $(this).filter('.hidden').removeClass('hidden');
+                        });
+                });
+
+                if (activetab != '' && $(activetab + '-tab').length ) {
+                    $(activetab + '-tab').addClass('nav-tab-active');
+                }
+                else {
+                    $('.nav-tab-wrapper a:first').addClass('nav-tab-active');
+                }
+                $('.nav-tab-wrapper a').click(function(evt) {
+                    $('.nav-tab-wrapper a').removeClass('nav-tab-active');
+                    $(this).addClass('nav-tab-active').blur();
+                    var clicked_group = $(this).attr('href');
+                    if (typeof(localStorage) != 'undefined' ) {
+                        localStorage.setItem("activetab", $(this).attr('href'));
+                    }
+                    $('.group').hide();
+                    $(clicked_group).fadeIn();
+                    evt.preventDefault();
+                });
+
+                $('.wpsa-browse').on('click', function (event) {
+                    event.preventDefault();
+
+                    var $this = $(this);
+
+                    // Create the media frame.
+                    var file_frame = wp.media.frames.file_frame = wp.media({
+                        title: $this.data('uploader_title'),
+                        button: {
+                            text: $this.data('uploader_button_text'),
+                        },
+                        multiple: false
+                    });
+
+                    file_frame.on('select', function () {
+                        attachment = file_frame.state().get('selection').first().toJSON();
+                        $this.prev('.wpsa-url').val(attachment.url).change();
+                    });
+
+                    // Finally, open the modal
+                    file_frame.open();
+                });
+
+                $('.wpsa-image-browse').on('click', function(event) {
+                    event.preventDefault();
+                    var $this = $(this);
+
+                    // Create the media frame.
+                    var file_frame = wp.media.frames.file_frame = wp.media({
+                        title: $this.data('uploader_title'),
+                        button: {
+                            text: $this.data('uploader_button_text'),
+                        },
+                        multiple: false,
+                        library: { type: 'image' }
+                    })
+
+                    .on('select', function () {
+                        attachment = file_frame.state().get('selection').first().toJSON();
+                        var url;
+
+                        if (attachment.sizes && attachment.sizes.thumbnail) {
+                            url = attachment.sizes.thumbnail.url;
+                        } else {
+                            url = attachment.url;
+                        }
+
+                        $this.siblings('.wpsa-image-id').val(attachment.id).change();
+                        $this.siblings('.wpsa-image-preview').children('img').attr('src', url);
+                        $this.siblings('.wpsa-image-remove').css('display', 'inline-block');
+
+                        $this.trigger( 'wpsa-image-browse-selected', [ attachment, url ] );
+                    })
+
+                    // Finally, open the modal
+                    .open();
+                });
+
+                $('.wpsa-image-remove').each(function() {
+                    var $this = $(this);
+
+                    if ( $this.siblings('.wpsa-image-id').val() ) {
+                        $this.css('display', 'inline-block');
+                    }
+                });
+
+                $('.wpsa-image-remove').on('click', function(event) {
+                    event.preventDefault();
+                    var $this = $(this);
+
+                    $this.siblings('.wpsa-image-id').val('').change();
+                    $this.siblings('.wpsa-image-preview').children('img').attr('src', '');
+                    $this.css('display', '');
+
+                    $this.trigger( 'wpsa-image-removed' );
+                });
+
+                $( 'input.vp-range-field, input.vp-range-number-field' ).on( 'input change', function() {
+                    const name = $( this ).attr( 'name' );
+                    const min = parseInt( $( this ).attr( 'min' ).replace( /"/g, '' ), 10 );
+                    const max = parseInt( $( this ).attr( 'max' ).replace( /"/g, '' ), 10 );
+                    const val = parseInt( $( this ).val(), 10 );
+                    const inputs = $( `input[name="${ name }"]` );
+
+                    if ( max < val ) {
+                        $( this ).val( max );
+                    }
+                    if ( min > val || isNaN( val ) ) {
+                        $( this ).val( min );
+                    }
+
+                    if ( $( inputs[ 0 ] ).val() !== $( inputs[ 1 ] ).val() ) {
+                        inputs.val( $( this ).val() );
+                    }
+                });
+            });
+        </script>
+        <?php
+    }
+
+    /**
+     * Show the section settings forms
+     *
+     * This function displays every sections in a different form
+     */
+    public function show_forms() {
+        ?>
+        <div class="metabox-holder">
+            <?php foreach ( $this->settings_sections as $form ) {
+                echo apply_filters( 'vp_settings_show_section_form', $this->get_form( $form ), $form );
+            } ?>
+        </div>
+        <?php
+        $this->script();
+    }
+
+        /**
+     * Prints out all settings sections added to a particular settings page
+     *
+     * Part of the Settings API. Use this in a settings page callback function
+     * to output all the sections and fields that were added to that $page with
+     * add_settings_section() and add_settings_field()
+     *
+     * @global array $wp_settings_sections Storage array of all settings sections added to admin pages.
+     * @global array $wp_settings_fields Storage array of settings fields and info about their pages/sections.
+     *
+     * @param string $page The slug name of the page whose settings sections you want to output.
+     */
+    public function do_settings_sections( $page ) {
+        global $wp_settings_sections, $wp_settings_fields;
+
+        if ( ! isset( $wp_settings_sections[ $page ] ) ) {
+            return;
+        }
+
+        foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
+            if ( $section['callback'] ) {
+                call_user_func( $section['callback'], $section );
+            }
+
+            if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section['id'] ] ) ) {
+                continue;
+            }
+            echo '<table class="form-table" role="presentation">';
+            $this->do_settings_fields( $page, $section['id'] );
+            echo '</table>';
+        }
+    }
+
+    /**
+     * Get the section settings form.
+     * This function return displays detailed section in a each of forms.
+     *
+     * @param array $form - Form item.
+     * @return string
+     */
+    public function get_form( $form ) {
+        ob_start();
+        ?>
+        <div id="<?php echo $form['id']; ?>" class="group" style="display: none;">
+            <form method="post" action="options.php">
+                <?php
+                do_action( 'wsa_form_top_' . $form['id'], $form );
+                settings_fields( $form['id'] );
+                $this->do_settings_sections( $form['id'] );
+                do_action( 'wsa_form_bottom_' . $form['id'], $form );
+                if ( isset( $this->settings_fields[ $form['id'] ] ) ) :
+                    ?>
+                    <div class="metabox-holder-footer">
+                        <?php submit_button(); ?>
+                    </div>
+                <?php endif; ?>
+            </form>
+        </div>
+        <?php
+        return ob_get_clean();
+    }
+
+    /**
+     * Print out the settings fields for a particular settings section.
+     *
+     * Part of the Settings API. Use this in a settings page to output
+     * a specific section. Should normally be called by do_settings_sections()
+     * rather than directly.
+     *
+     * @global array $wp_settings_fields Storage array of settings fields and their pages/sections.
+     *
+     * @param string $page Slug title of the admin page whose settings fields you want to show.
+     * @param string $section Slug title of the settings section whose fields you want to show.
+     */
+    public function do_settings_fields( $page, $section ) {
+        global $wp_settings_fields;
+
+        if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
+            return;
+        }
+
+        foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
+            $class     = '';
+            $condition = '';
+            $style     = '';
+
+            if ( ! empty( $field['args']['class'] ) ) {
+                $class = $field['args']['class'];
+            }
+
+            if ( isset( $field['args']['type'] ) ) {
+                $class .= ' vpf-setting-type-' . $field['args']['type'];
+            }
+
+            if ( isset( $field['args']['conditionize'] ) && ! empty( $field['args']['conditionize'] ) ) {
+                $condition = ' data-cond="' . esc_attr( $field['args']['conditionize'] ) . '"';
+            }
+
+            if ( ! empty( $class ) ) {
+                $class = ' class="' . esc_attr( $class ) . '"';
+            }
+
+            echo "<tr{$class}{$condition}{$style}>";
+
+            if ( ! empty( $field['args']['label_for'] ) ) {
+                echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
+            } else {
+                echo '<th scope="row">' . $field['title'] . '</th>';
+            }
+
+            echo '<td>';
+            call_user_func( $field['callback'], $field['args'] );
+            echo '</td>';
+            echo '</tr>';
+        }
+    }
+
+    /**
+     * Convert condition arguments to Conditionize string.
+     *
+     * @param array $conditions - Array with Condition arguments.
+     * @return string
+     */
+    public function convert_arguments_to_conditionize_string( $conditions ) {
+        $data_condition = '';
+        if ( isset( $conditions ) && is_array( $conditions ) && ! empty( $conditions ) ) {
+            foreach ( $conditions as $key => $condition ) {
+                $condition['value'] = empty( $condition['value'] ) ? "''" : ( '' . $condition['value'] );
+
+                $data_condition .= $condition['control'];
+
+                if ( isset( $condition['operator'] ) && isset( $condition['value'] ) ) {
+                    $data_condition .= ' ' . $condition['operator'] . ' ' . $condition['value'];
+                }
+
+                if ( 1 < count( $conditions ) && ( count( $conditions ) - 1 ) !== $key ) {
+                    $data_condition .= ' && ';
+                }
+            }
+        }
+
+        return $data_condition;
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Laravel/SlugifyFacade.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Laravel;
+
+use Illuminate\Support\Facades\Facade;
+
+/**
+ * SlugifyFacade
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @author     Colin Viebrock
+ * @copyright  2012-2014 Florian Eckerstorfer
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyFacade extends Facade
+{
+    /**
+     * Get the registered name of the component.
+     *
+     * @return string
+     *
+     * @codeCoverageIgnore
+     */
+    protected static function getFacadeAccessor()
+    {
+        return 'slugify';
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Laravel/SlugifyServiceProvider.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Laravel;
+
+use Cocur\Slugify\Slugify;
+use Illuminate\Support\ServiceProvider as LaravelServiceProvider;
+
+/**
+ * SlugifyServiceProvider
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @author     Colin Viebrock
+ * @copyright  2012-2014 Florian Eckerstorfer
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyServiceProvider extends LaravelServiceProvider
+{
+    /**
+     * Indicates if loading of the provider is deferred.
+     *
+     * @var bool
+     */
+    protected $defer = true;
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->singleton('slugify', function () {
+            return new Slugify();
+        });
+    }
+
+    /**
+     * Get the services provided by the provider.
+     *
+     * @return string[]
+     */
+    public function provides()
+    {
+        return ['slugify'];
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Latte/SlugifyHelper.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\Latte;
+
+use Cocur\Slugify\SlugifyInterface;
+
+/**
+ * SlugifyHelper
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Lukáš Unger <looky.msc@gmail.com>
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyHelper
+{
+    /** @var SlugifyInterface */
+    private $slugify;
+
+    /**
+     * @codeCoverageIgnore
+     */
+    public function __construct(SlugifyInterface $slugify)
+    {
+        $this->slugify = $slugify;
+    }
+
+    /**
+     * @param string      $string
+     * @param string|null $separator
+     *
+     * @return string
+     */
+    public function slugify($string, $separator = null)
+    {
+        return $this->slugify->slugify($string, $separator);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/League/SlugifyServiceProvider.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\League;
+
+use Cocur\Slugify\RuleProvider\DefaultRuleProvider;
+use Cocur\Slugify\RuleProvider\RuleProviderInterface;
+use Cocur\Slugify\Slugify;
+use Cocur\Slugify\SlugifyInterface;
+use League\Container\ServiceProvider\AbstractServiceProvider;
+
+class SlugifyServiceProvider extends AbstractServiceProvider
+{
+    protected $provides = [
+        SlugifyInterface::class,
+    ];
+
+    public function register(): void
+    {
+        $this->container->share(SlugifyInterface::class, function () {
+            $options = [];
+            if ($this->container->has('config.slugify.options')) {
+                $options = $this->container->get('config.slugify.options');
+            }
+
+            $provider = null;
+            if ($this->container->has(RuleProviderInterface::class)) {
+                /* @var RuleProviderInterface $provider */
+                $provider = $this->container->get(RuleProviderInterface::class);
+            }
+
+            return new Slugify(
+                $options,
+                $provider
+            );
+        });
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Nette/SlugifyExtension.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\Nette;
+
+use Nette\DI\CompilerExtension;
+use Nette\DI\ServiceDefinition;
+
+/**
+ * SlugifyExtension
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Lukáš Unger <looky.msc@gmail.com>
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyExtension extends CompilerExtension
+{
+    public function loadConfiguration(): void
+    {
+        $builder = $this->getContainerBuilder();
+
+        $builder->addDefinition($this->prefix('slugify'))
+            ->setClass('Cocur\Slugify\SlugifyInterface')
+            ->setFactory('Cocur\Slugify\Slugify');
+
+        $builder->addDefinition($this->prefix('helper'))
+            ->setClass('Cocur\Slugify\Bridge\Latte\SlugifyHelper')
+            ->setAutowired(false);
+    }
+
+    public function beforeCompile(): void
+    {
+        $builder = $this->getContainerBuilder();
+
+        $self = $this;
+        $registerToLatte = function (ServiceDefinition $def) use ($self) {
+            $def->addSetup('addFilter', ['slugify', [$self->prefix('@helper'), 'slugify']]);
+        };
+
+        $latteFactory = $builder->getByType('Nette\Bridges\ApplicationLatte\ILatteFactory') ?: 'nette.latteFactory';
+        if ($builder->hasDefinition($latteFactory)) {
+            $registerToLatte($builder->getDefinition($latteFactory));
+        }
+
+        if ($builder->hasDefinition('nette.latte')) {
+            $registerToLatte($builder->getDefinition('nette.latte'));
+        }
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Plum/SlugifyConverter.php

@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Plum;
+
+use Plum\Plum\Converter\ConverterInterface;
+use Cocur\Slugify\Slugify;
+use Cocur\Slugify\SlugifyInterface;
+
+/**
+ * SlugifyConverter
+ *
+ * @package   Cocur\Slugify\Bridge\Plum
+ * @author    Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @copyright 2015 Florian Eckerstorfer
+ */
+class SlugifyConverter implements ConverterInterface
+{
+    /** @var Slugify */
+    private $slugify;
+
+    /**
+     * @param SlugifyInterface|null $slugify
+     */
+    public function __construct(SlugifyInterface $slugify = null)
+    {
+        if ($slugify === null) {
+            $slugify = new Slugify();
+        }
+        $this->slugify = $slugify;
+    }
+
+    /**
+     * @param string $item
+     *
+     * @return string
+     */
+    public function convert($item)
+    {
+        return $this->slugify->slugify($item);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Symfony/CocurSlugifyBundle.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Symfony;
+
+use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+/**
+ * CocurSlugifyBundle
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @copyright  2012-2014 Florian Eckerstorfer
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class CocurSlugifyBundle extends Bundle
+{
+    public function getContainerExtension(): ExtensionInterface
+    {
+        return new CocurSlugifyExtension();
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Symfony/CocurSlugifyExtension.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Symfony;
+
+use Cocur\Slugify\Bridge\Twig\SlugifyExtension;
+use Cocur\Slugify\Slugify;
+use Cocur\Slugify\SlugifyInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+
+/**
+ * CocurSlugifyExtension
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @copyright  2012-2014 Florian Eckerstorfer
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class CocurSlugifyExtension extends Extension
+{
+    /**
+     * {@inheritDoc}
+     *
+     * @param mixed[]          $configs
+     * @param ContainerBuilder $container
+     */
+    public function load(array $configs, ContainerBuilder $container): void
+    {
+        $configuration = new Configuration();
+        $config = $this->processConfiguration($configuration, $configs);
+
+        if (empty($config['rulesets'])) {
+            unset($config['rulesets']);
+        }
+
+        // Extract slugify arguments from config
+        $slugifyArguments = array_intersect_key($config, array_flip(['lowercase', 'trim', 'strip_tags', 'separator', 'regexp', 'rulesets']));
+
+        $container->setDefinition('cocur_slugify', new Definition(Slugify::class, [$slugifyArguments]));
+        $container
+            ->setDefinition(
+                'cocur_slugify.twig.slugify',
+                new Definition(
+                    SlugifyExtension::class,
+                    [new Reference('cocur_slugify')]
+                )
+            )
+            ->addTag('twig.extension')
+            ->setPublic(false);
+        $container->setAlias('slugify', 'cocur_slugify');
+        $container->setAlias(SlugifyInterface::class, 'cocur_slugify');
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Symfony/Configuration.php

@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * This file is part of the cocur/slugify package.
+ *
+ * (c) Enrico Stahn <enrico.stahn@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Symfony;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class Configuration implements ConfigurationInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getConfigTreeBuilder(): TreeBuilder
+    {
+        $treeBuilder = new TreeBuilder('cocur_slugify');
+
+        // Keep compatibility with symfony/config < 4.2
+        if (\method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            $rootNode = $treeBuilder->root('cocur_slugify');
+        }
+
+        $rootNode
+            ->children()
+                ->booleanNode('lowercase')->end()
+                ->booleanNode('lowercase_after_regexp')->end()
+                ->booleanNode('trim')->end()
+                ->booleanNode('strip_tags')->end()
+                ->scalarNode('separator')->end()
+                ->scalarNode('regexp')->end()
+                ->arrayNode('rulesets')->prototype('scalar')->end()
+            ->end();
+
+        return $treeBuilder;
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/Twig/SlugifyExtension.php

@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\Bridge\Twig;
+
+use Cocur\Slugify\SlugifyInterface;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFilter;
+
+/**
+ * SlugifyExtension
+ *
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @copyright  2012-2015 Florian Eckerstorfer
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyExtension extends AbstractExtension
+{
+    /**
+     * @var SlugifyInterface
+     */
+    private $slugify;
+
+    /**
+     * Constructor.
+     *
+     * @param SlugifyInterface $slugify
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct(SlugifyInterface $slugify)
+    {
+        $this->slugify = $slugify;
+    }
+
+    /**
+     * Returns the Twig functions of this extension.
+     *
+     * @return TwigFilter[]
+     */
+    public function getFilters()
+    {
+        return [
+            new TwigFilter('slugify', [$this, 'slugifyFilter']),
+        ];
+    }
+
+    /**
+     * Slugify filter.
+     *
+     * @param string      $string
+     * @param string|null $separator
+     *
+     * @return string
+     */
+    public function slugifyFilter($string, $separator = null)
+    {
+        return $this->slugify->slugify($string, $separator);
+    }
+
+    /**
+     * get Name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return "SlugifyExtension";
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/ZF2/Module.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\ZF2;
+
+use Zend\ModuleManager\Feature\ServiceProviderInterface;
+use Zend\ModuleManager\Feature\ViewHelperProviderInterface;
+
+/**
+ * Class Module
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class Module implements ServiceProviderInterface, ViewHelperProviderInterface
+{
+    const CONFIG_KEY = 'cocur_slugify';
+
+    /**
+     * Expected to return \Zend\ServiceManager\Config object or array to
+     * seed such an object.
+     *
+     * @return array<string,array<string,string>>
+     */
+    public function getServiceConfig()
+    {
+        return [
+            'factories' => [
+                'Cocur\Slugify\Slugify' => 'Cocur\Slugify\Bridge\ZF2\SlugifyService'
+            ],
+            'aliases' => [
+                'slugify' => 'Cocur\Slugify\Slugify'
+            ]
+        ];
+    }
+
+    /**
+     * Expected to return \Zend\ServiceManager\Config object or array to
+     * seed such an object.
+     *
+     * @return array<string,array<string,string>>|\Zend\ServiceManager\Config
+     */
+    public function getViewHelperConfig()
+    {
+        return [
+            'factories' => [
+                'slugify' => 'Cocur\Slugify\Bridge\ZF2\SlugifyViewHelperFactory'
+            ]
+        ];
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/ZF2/SlugifyService.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\ZF2;
+
+use Cocur\Slugify\Slugify;
+use Zend\ServiceManager\ServiceManager;
+
+/**
+ * Class SlugifyService
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyService
+{
+    /**
+     * @param ServiceManager $sm
+     *
+     * @return Slugify
+     */
+    public function __invoke($sm)
+    {
+        $config = $sm->get('Config');
+
+        $options  = isset($config[Module::CONFIG_KEY]['options']) ? $config[Module::CONFIG_KEY]['options'] : [];
+        $provider = isset($config[Module::CONFIG_KEY]['provider']) ? $config[Module::CONFIG_KEY]['provider'] : null;
+
+        return new Slugify($options, $provider);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/ZF2/SlugifyViewHelper.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\ZF2;
+
+use Cocur\Slugify\SlugifyInterface;
+use Zend\View\Helper\AbstractHelper;
+
+/**
+ * Class SlugifyViewHelper
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyViewHelper extends AbstractHelper
+{
+    /**
+     * @var SlugifyInterface
+     */
+    protected $slugify;
+
+    /**
+     * @param SlugifyInterface $slugify
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct(SlugifyInterface $slugify)
+    {
+        $this->slugify = $slugify;
+    }
+
+    /**
+     * @param string      $string
+     * @param string|null $separator
+     *
+     * @return string
+     */
+    public function __invoke($string, $separator = null)
+    {
+        return $this->slugify->slugify($string, $separator);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Bridge/ZF2/SlugifyViewHelperFactory.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Cocur\Slugify\Bridge\ZF2;
+
+use Cocur\Slugify\Slugify;
+use Zend\View\HelperPluginManager;
+
+/**
+ * Class SlugifyViewHelperFactory
+ * @package    cocur/slugify
+ * @subpackage bridge
+ * @license    http://www.opensource.org/licenses/MIT The MIT License
+ */
+class SlugifyViewHelperFactory
+{
+    /**
+     * @param HelperPluginManager $vhm
+     *
+     * @return SlugifyViewHelper
+     */
+    public function __invoke($vhm)
+    {
+        /** @var Slugify $slugify */
+        $slugify = $vhm->getServiceLocator()->get('Cocur\Slugify\Slugify');
+
+        return new SlugifyViewHelper($slugify);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/RuleProvider/FileRuleProvider.php

@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\RuleProvider;
+
+/**
+ * FileRuleProvider
+ *
+ * @package   Cocur\Slugify\RuleProvider
+ * @author    Florian Eckerstorfer
+ * @copyright 2015 Florian Eckerstorfer
+ */
+class FileRuleProvider implements RuleProviderInterface
+{
+    /**
+     * @var string
+     */
+    protected $directoryName;
+
+    /**
+     * @param string $directoryName
+     */
+    public function __construct($directoryName)
+    {
+        $this->directoryName = $directoryName;
+    }
+
+    /**
+     * @param $ruleset
+     *
+     * @return array
+     */
+    public function getRules($ruleset)
+    {
+        $fileName = $this->directoryName.DIRECTORY_SEPARATOR.$ruleset.'.json';
+
+        return json_decode(file_get_contents($fileName), true);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/RuleProvider/RuleProviderInterface.php

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify\RuleProvider;
+
+/**
+ * RuleProviderInterface
+ *
+ * @package   Cocur\Slugify\RuleProvider
+ * @author    Florian Eckerstorfer
+ * @copyright 2015 Florian Eckerstorfer
+ */
+interface RuleProviderInterface
+{
+    /**
+     * @param $ruleset
+     *
+     * @return array
+     */
+    public function getRules($ruleset);
+}

wp-content/plugins/visual-portfolio/vendors/slugify/Slugify.php

@@ -0,0 +1,199 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * CHANGED by nK:
+ *   - added check for `mb_strtolower` existence and use `strtolower` if mb is not available
+ */
+
+namespace Cocur\Slugify;
+
+use Cocur\Slugify\RuleProvider\DefaultRuleProvider;
+use Cocur\Slugify\RuleProvider\RuleProviderInterface;
+
+/**
+ * Slugify
+ *
+ * @package   Cocur\Slugify
+ * @author    Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @author    Ivo Bathke <ivo.bathke@gmail.com>
+ * @author    Marchenko Alexandr
+ * @copyright 2012-2015 Florian Eckerstorfer
+ * @license   http://www.opensource.org/licenses/MIT The MIT License
+ */
+class Slugify implements SlugifyInterface
+{
+    const LOWERCASE_NUMBERS_DASHES = '/[^A-Za-z0-9]+/';
+
+    /**
+     * @var array<string,string>
+     */
+    protected $rules = [];
+
+    /**
+     * @var RuleProviderInterface
+     */
+    protected $provider;
+
+    /**
+     * @var array<string,mixed>
+     */
+    protected $options = [
+        'regexp'    => self::LOWERCASE_NUMBERS_DASHES,
+        'separator' => '-',
+        'lowercase' => true,
+        'lowercase_after_regexp' => false,
+        'trim' => true,
+        'strip_tags' => false,
+        'rulesets'  => [
+            'default',
+            // Languages are preferred if they appear later, list is ordered by number of
+            // websites in that language
+            // https://en.wikipedia.org/wiki/Languages_used_on_the_Internet#Content_languages_for_websites
+            'armenian',
+            'azerbaijani',
+            'burmese',
+            'hindi',
+            'georgian',
+            'norwegian',
+            'vietnamese',
+            'ukrainian',
+            'latvian',
+            'finnish',
+            'greek',
+            'czech',
+            'arabic',
+            'slovak',
+            'turkish',
+            'polish',
+            'german',
+            'russian',
+            'romanian'
+        ],
+    ];
+
+    /**
+     * @param array                 $options
+     * @param RuleProviderInterface $provider
+     */
+    public function __construct(array $options = [], RuleProviderInterface $provider = null)
+    {
+        $this->options  = array_merge($this->options, $options);
+        $this->provider = $provider ? $provider : new DefaultRuleProvider();
+
+        foreach ($this->options['rulesets'] as $ruleSet) {
+            $this->activateRuleSet($ruleSet);
+        }
+    }
+
+    /**
+     * Returns the slug-version of the string.
+     *
+     * @param string            $string  String to slugify
+     * @param string|array|null $options Options
+     *
+     * @return string Slugified version of the string
+     */
+    public function slugify($string, $options = null)
+    {
+        // BC: the second argument used to be the separator
+        if (is_string($options)) {
+            $separator            = $options;
+            $options              = [];
+            $options['separator'] = $separator;
+        }
+
+        $options = array_merge($this->options, (array) $options);
+
+        // Add a custom ruleset without touching the default rules
+        if (isset($options['ruleset'])) {
+            $rules = array_merge($this->rules, $this->provider->getRules($options['ruleset']));
+        } else {
+            $rules = $this->rules;
+        }
+
+        $string = ($options['strip_tags'])
+            ? strip_tags($string)
+            : $string;
+
+        $string = strtr($string, $rules);
+        unset($rules);
+
+        if ($options['lowercase'] && !$options['lowercase_after_regexp']) {
+            // CHANGED: nK
+            // added check for mb_strtolower existence.
+            $string = function_exists('mb_strtolower') ? mb_strtolower($string) : strtolower($string);
+        }
+
+        $string = preg_replace($options['regexp'], $options['separator'], $string);
+
+        if ($options['lowercase'] && $options['lowercase_after_regexp']) {
+            // CHANGED: nK
+            // added check for mb_strtolower existence.
+            $string = function_exists('mb_strtolower') ? mb_strtolower($string) : strtolower($string);
+        }
+
+        return ($options['trim'])
+            ? trim($string, $options['separator'])
+            : $string;
+    }
+
+    /**
+     * Adds a custom rule to Slugify.
+     *
+     * @param string $character   Character
+     * @param string $replacement Replacement character
+     *
+     * @return Slugify
+     */
+    public function addRule($character, $replacement)
+    {
+        $this->rules[$character] = $replacement;
+
+        return $this;
+    }
+
+    /**
+     * Adds multiple rules to Slugify.
+     *
+     * @param array <string,string> $rules
+     *
+     * @return Slugify
+     */
+    public function addRules(array $rules)
+    {
+        foreach ($rules as $character => $replacement) {
+            $this->addRule($character, $replacement);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param string $ruleSet
+     *
+     * @return Slugify
+     */
+    public function activateRuleSet($ruleSet)
+    {
+        return $this->addRules($this->provider->getRules($ruleSet));
+    }
+
+    /**
+     * Static method to create new instance of {@see Slugify}.
+     *
+     * @param array <string,mixed> $options
+     *
+     * @return Slugify
+     */
+    public static function create(array $options = [])
+    {
+        return new static($options);
+    }
+}

wp-content/plugins/visual-portfolio/vendors/slugify/SlugifyInterface.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of cocur/slugify.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\Slugify;
+
+/**
+ * SlugifyInterface
+ *
+ * @package   org.cocur.slugify
+ * @author    Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @author    Marchenko Alexandr
+ * @copyright 2012-2014 Florian Eckerstorfer
+ * @license   http://www.opensource.org/licenses/MIT The MIT License
+ */
+interface SlugifyInterface
+{
+    /**
+     * Return a URL safe version of a string.
+     *
+     * @param string            $string
+     * @param string|array|null $options
+     *
+     * @return string
+     *
+     * @api
+     */
+    public function slugify($string, $options = null);
+}