267 lines
6.2 KiB
PHP
267 lines
6.2 KiB
PHP
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<?php
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if ( ! class_exists( 'acf_field_textarea' ) ) :
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class acf_field_textarea extends acf_field {
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/*
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* initialize
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function initialize() {
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// vars
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$this->name = 'textarea';
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$this->label = __( 'Text Area', 'acf' );
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$this->description = __( 'A basic textarea input for storing paragraphs of text.', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-textarea.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/textarea/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'default_value' => '',
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'new_lines' => '',
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'maxlength' => '',
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'placeholder' => '',
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'rows' => '',
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);
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field - an array holding all the field's data
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*/
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function render_field( $field ) {
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// vars
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$atts = array();
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$keys = array( 'id', 'class', 'name', 'value', 'placeholder', 'rows', 'maxlength' );
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$keys2 = array( 'readonly', 'disabled', 'required' );
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// rows
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if ( ! $field['rows'] ) {
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$field['rows'] = 8;
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}
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// atts (value="123")
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foreach ( $keys as $k ) {
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if ( isset( $field[ $k ] ) ) {
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$atts[ $k ] = $field[ $k ];
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}
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}
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// atts2 (disabled="disabled")
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foreach ( $keys2 as $k ) {
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if ( ! empty( $field[ $k ] ) ) {
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$atts[ $k ] = $k;
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}
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}
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// remove empty atts
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$atts = acf_clean_atts( $atts );
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// return
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acf_textarea_input( $atts );
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}
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/*
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* render_field_settings()
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*
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* Create extra options for your field. This is rendered when editing a field.
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* The value of $field['name'] can be used (like bellow) to save extra data to the $field
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*
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* @param $field - an array holding all the field's data
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*/
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function render_field_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Default Value', 'acf' ),
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'instructions' => __( 'Appears when creating a new post', 'acf' ),
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'type' => 'textarea',
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'name' => 'default_value',
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)
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);
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}
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/**
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* Renders the field settings used in the "Validation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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function render_field_validation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Character Limit', 'acf' ),
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'instructions' => __( 'Leave blank for no limit', 'acf' ),
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'type' => 'number',
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'name' => 'maxlength',
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)
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);
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}
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/**
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* Renders the field settings used in the "Presentation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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function render_field_presentation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Rows', 'acf' ),
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'instructions' => __( 'Sets the textarea height', 'acf' ),
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'type' => 'number',
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'name' => 'rows',
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'placeholder' => 8,
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Placeholder Text', 'acf' ),
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'instructions' => __( 'Appears within the input', 'acf' ),
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'type' => 'text',
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'name' => 'placeholder',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'New Lines', 'acf' ),
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'instructions' => __( 'Controls how new lines are rendered', 'acf' ),
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'type' => 'select',
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'name' => 'new_lines',
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'choices' => array(
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'wpautop' => __( 'Automatically add paragraphs', 'acf' ),
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'br' => __( 'Automatically add <br>', 'acf' ),
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'' => __( 'No Formatting', 'acf' ),
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),
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)
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);
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}
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/*
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* format_value()
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*
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* This filter is applied to the $value after it is loaded from the db and before it is returned to the template
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value (mixed) the value which was loaded from the database
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* @param $post_id (mixed) the $post_id from which the value was loaded
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* @param $field (array) the field array holding all the field options
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*
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* @return $value (mixed) the modified value
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*/
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function format_value( $value, $post_id, $field ) {
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// bail early if no value or not for template
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if ( empty( $value ) || ! is_string( $value ) ) {
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return $value;
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}
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// new lines
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if ( $field['new_lines'] == 'wpautop' ) {
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$value = wpautop( $value );
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} elseif ( $field['new_lines'] == 'br' ) {
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$value = nl2br( $value );
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}
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// return
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return $value;
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}
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/**
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* validate_value
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*
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* Validates a field's value.
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*
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* @date 29/1/19
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* @since 5.7.11
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*
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* @param (bool|string) Whether the value is vaid or not.
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* @param mixed $value The field value.
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* @param array $field The field array.
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* @param string $input The HTML input name.
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* @return (bool|string)
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*/
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function validate_value( $valid, $value, $field, $input ) {
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// Check maxlength.
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if ( $field['maxlength'] && ( acf_strlen( $value ) > $field['maxlength'] ) ) {
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return sprintf( __( 'Value must not exceed %d characters', 'acf' ), $field['maxlength'] );
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}
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// Return.
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return $valid;
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}
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/**
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* Return the schema array for the REST API.
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*
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* @param array $field
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* @return array
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*/
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function get_rest_schema( array $field ) {
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$schema = parent::get_rest_schema( $field );
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if ( ! empty( $field['maxlength'] ) ) {
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$schema['maxLength'] = (int) $field['maxlength'];
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}
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return $schema;
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}
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}
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// initialize
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acf_register_field_type( 'acf_field_textarea' );
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endif; // class_exists check
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