595 lines
17 KiB
PHP
595 lines
17 KiB
PHP
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<?php
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/**
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* WP Captcha
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* https://getwpcaptcha.com/
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* (c) WebFactory Ltd, 2022 - 2023, www.webfactoryltd.com
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*/
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use WFMaxMind\Db\Reader;
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class WPCaptcha_Utility extends WPCaptcha
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{
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/**
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* Display settings notice
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*
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* @param $redirect
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* @return bool
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*/
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static function display_notice($message, $type = 'error', $code = 'advanced-google-recaptcha')
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{
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global $wp_settings_errors;
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$wp_settings_errors[] = array(
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'setting' => WPCAPTCHA_OPTIONS_KEY,
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'code' => $code,
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'message' => $message,
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'type' => $type
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);
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set_transient('settings_errors', $wp_settings_errors);
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} // display_notice
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/**
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* Empty cache in various 3rd party plugins
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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static function clear_3rdparty_cache()
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{
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if (function_exists('w3tc_pgcache_flush')) {
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w3tc_pgcache_flush();
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}
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if (function_exists('wp_cache_clean_cache')) {
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global $file_prefix;
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wp_cache_clean_cache($file_prefix);
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}
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if (function_exists('wp_cache_clear_cache')) {
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wp_cache_clear_cache();
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}
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if (class_exists('Endurance_Page_Cache')) {
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$epc = new Endurance_Page_Cache;
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$epc->purge_all();
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}
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if (method_exists('SG_CachePress_Supercacher', 'purge_cache')) {
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SG_CachePress_Supercacher::purge_cache(true);
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}
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if (class_exists('SiteGround_Optimizer\Supercacher\Supercacher')) {
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SiteGround_Optimizer\Supercacher\Supercacher::purge_cache();
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}
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} // empty_3rdparty_cache
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/**
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* Dismiss pointer
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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static function dismiss_pointer_ajax()
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{
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delete_option(WPCAPTCHA_POINTERS_KEY);
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}
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/**
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* checkbox helper function
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*
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* @since 5.0
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*
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* @return string checked HTML
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*
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*/
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static function checked($value, $current, $echo = false)
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{
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$out = '';
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if (!is_array($current)) {
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$current = (array) $current;
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}
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if (in_array($value, $current)) {
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$out = ' checked="checked" ';
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}
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if ($echo) {
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WPCaptcha_Utility::wp_kses_wf($out);
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} else {
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return $out;
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}
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} // checked
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/**
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* Create toggle switch
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*
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* @since 5.0
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*
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* @return string Switch HTML
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*
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*/
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static function create_toggle_switch($name, $options = array(), $output = true, $class = '')
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{
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$default_options = array('value' => '1', 'saved_value' => '', 'option_key' => $name);
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$options = array_merge($default_options, $options);
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$out = "\n";
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$out .= '<div class="toggle-wrapper">';
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$out .= '<input class="' . $class . '" type="checkbox" id="' . $name . '" ' . self::checked($options['value'], $options['saved_value']) . ' type="checkbox" value="' . $options['value'] . '" name="' . $options['option_key'] . '">';
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$out .= '<label for="' . $name . '" class="toggle"><span class="toggle_handler"></span></label>';
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$out .= '</div>';
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if ($output) {
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WPCaptcha_Utility::wp_kses_wf($out);
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} else {
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return $out;
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}
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} // create_toggle_switch
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/**
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* Get user IP
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*
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* @since 5.0
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*
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* @return string userip
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*
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*/
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static function getUserIP($force_clear = false)
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{
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$options = WPCaptcha_Setup::get_options();
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$ip = '';
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if (!empty($_SERVER['REMOTE_ADDR'])) {
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$ip = $_SERVER['REMOTE_ADDR'];
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}
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if ($options['anonymous_logging'] == '1' && !$force_clear) {
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$ip = md5($ip);
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}
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return $ip;
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} // getUserIP
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/**
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* Create select options for select
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*
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* @since 5.0
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*
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* @param array $options options
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* @param string $selected selected value
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* @param bool $output echo, if false return html as string
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* @return string html with options
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*/
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static function create_select_options($options, $selected = null, $output = true)
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{
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$out = "\n";
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foreach ($options as $tmp) {
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if ((is_array($selected) && in_array($tmp['val'], $selected)) || $selected == $tmp['val']) {
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$out .= "<option selected=\"selected\" value=\"{$tmp['val']}\" " . (isset($tmp['class']) ? "class=\"{$tmp['class']}\"" : "") . ">{$tmp['label']} </option>\n";
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} else {
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$out .= "<option value=\"{$tmp['val']}\" " . (isset($tmp['class']) ? "class=\"{$tmp['class']}\"" : "") . ">{$tmp['label']} </option>\n";
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}
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}
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if ($output) {
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WPCaptcha_Utility::wp_kses_wf($out);
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} else {
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return $out;
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}
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} // create_select_options
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static function create_radio_group($name, $options, $selected = null, $output = true)
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{
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$out = "\n";
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foreach ($options as $tmp) {
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if ($selected == $tmp['val']) {
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$out .= "<label for=\"{$name}_{$tmp['val']}\" class=\"radio_wrapper\"><input id=\"{$name}_{$tmp['val']}\" name=\"{$name}\" type=\"radio\" checked=\"checked\" value=\"{$tmp['val']}\">{$tmp['label']} </option></label>\n";
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} else {
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$out .= "<label for=\"{$name}_{$tmp['val']}\" class=\"radio_wrapper\"><input id=\"{$name}_{$tmp['val']}\" name=\"{$name}\" type=\"radio\" value=\"{$tmp['val']}\">{$tmp['label']} </option></label>\n";
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}
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}
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if ($output) {
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WPCaptcha_Utility::wp_kses_wf($out);
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} else {
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return $out;
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}
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}
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/**
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* Parse user agent to add device icon and clean text
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*
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* @since 5.0
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*
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* @param string $user_agent
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* @return string $user_agent
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*/
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static function parse_user_agent($user_agent = false)
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{
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if (!$user_agent) {
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$user_agent = array();
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foreach ($_SERVER as $name => $value) {
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if (substr($name, 0, 5) == 'HTTP_') {
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$user_agent[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
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}
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}
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}
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$user_agent = new WhichBrowser\Parser($user_agent);
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$user_agent_string = '';
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if ($user_agent->isType('mobile')) {
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$user_agent_string .= '<i class="tooltip fas fa-mobile-alt" title="Phone"></i>';
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} else if ($user_agent->isType('tablet')) {
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$user_agent_string .= '<i class="tooltip fas fa-tablet-alt" title="Table"></i>';
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} else if ($user_agent->isType('desktop')) {
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$user_agent_string .= '<i class="tooltip fas fa-desktop" title="Desktop"></i>';
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} else {
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$user_agent_string .= '<i class="tooltip fas fa-robot" title="Bot"></i>';
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}
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if (isset($user_agent->browser) && isset($user_agent->browser->version)) {
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$browser_version = explode('.', $user_agent->browser->version->toString());
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} else {
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$browser_version = array('unknown');
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}
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if ($user_agent->os) {
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$os = $user_agent->os->toString();
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} else {
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$os = 'unknown';
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}
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if (isset($user_agent->browser) && isset($user_agent->browser->name)) {
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$browser_name = $user_agent->browser->name;
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} else {
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$browser_name = 'unknown';
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}
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$user_agent_string .= ' ' . $browser_name . ' ' . $browser_version[0] . ' on ' . $os;
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return $user_agent_string;
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} // parse_user_agent
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static function get_home_path()
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{
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if (!function_exists('get_home_path')) {
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require_once(ABSPATH . 'wp-admin/includes/file.php');
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}
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return get_home_path();
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}
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static function wp_kses_wf($html)
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{
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add_filter('safe_style_css', function ($styles) {
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$styles_wf = array(
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'text-align',
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'margin',
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'color',
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'float',
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'border',
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'background',
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'background-color',
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'border-bottom',
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'border-bottom-color',
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'border-bottom-style',
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'border-bottom-width',
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'border-collapse',
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'border-color',
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'border-left',
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'border-left-color',
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'border-left-style',
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'border-left-width',
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'border-right',
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'border-right-color',
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'border-right-style',
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'border-right-width',
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'border-spacing',
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'border-style',
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'border-top',
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'border-top-color',
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'border-top-style',
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'border-top-width',
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'border-width',
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'caption-side',
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'clear',
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'cursor',
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'direction',
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'font',
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'font-family',
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'font-size',
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'font-style',
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'font-variant',
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'font-weight',
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'height',
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'letter-spacing',
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'line-height',
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'margin-bottom',
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'margin-left',
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'margin-right',
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'margin-top',
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'overflow',
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'padding',
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'padding-bottom',
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'padding-left',
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'padding-right',
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'padding-top',
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'text-decoration',
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'text-indent',
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'vertical-align',
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'width',
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'display',
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);
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foreach ($styles_wf as $style_wf) {
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$styles[] = $style_wf;
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}
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return $styles;
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});
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$allowed_tags = wp_kses_allowed_html('post');
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$allowed_tags['input'] = array(
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'type' => true,
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'style' => true,
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'class' => true,
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'id' => true,
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'checked' => true,
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'disabled' => true,
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'name' => true,
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'size' => true,
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'placeholder' => true,
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'value' => true,
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'data-*' => true,
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'size' => true,
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'disabled' => true
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);
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$allowed_tags['textarea'] = array(
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'type' => true,
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'style' => true,
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'class' => true,
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'id' => true,
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'checked' => true,
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'disabled' => true,
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'name' => true,
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'size' => true,
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'placeholder' => true,
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'value' => true,
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'data-*' => true,
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'cols' => true,
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'rows' => true,
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'disabled' => true,
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'autocomplete' => true
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);
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$allowed_tags['select'] = array(
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'type' => true,
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'style' => true,
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'class' => true,
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'id' => true,
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'checked' => true,
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'disabled' => true,
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'name' => true,
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'size' => true,
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'placeholder' => true,
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'value' => true,
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'data-*' => true,
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'multiple' => true,
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'disabled' => true
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);
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$allowed_tags['option'] = array(
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'type' => true,
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'style' => true,
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'class' => true,
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'id' => true,
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'checked' => true,
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'disabled' => true,
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'name' => true,
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|
|
'size' => true,
|
||
|
|
'placeholder' => true,
|
||
|
|
'value' => true,
|
||
|
|
'selected' => true,
|
||
|
|
'data-*' => true
|
||
|
|
);
|
||
|
|
$allowed_tags['optgroup'] = array(
|
||
|
|
'type' => true,
|
||
|
|
'style' => true,
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'checked' => true,
|
||
|
|
'disabled' => true,
|
||
|
|
'name' => true,
|
||
|
|
'size' => true,
|
||
|
|
'placeholder' => true,
|
||
|
|
'value' => true,
|
||
|
|
'selected' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'label' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['a'] = array(
|
||
|
|
'href' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'class' => true,
|
||
|
|
'style' => true,
|
||
|
|
'id' => true,
|
||
|
|
'target' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'role' => true,
|
||
|
|
'aria-controls' => true,
|
||
|
|
'aria-selected' => true,
|
||
|
|
'disabled' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['div'] = array(
|
||
|
|
'style' => true,
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'role' => true,
|
||
|
|
'aria-labelledby' => true,
|
||
|
|
'value' => true,
|
||
|
|
'aria-modal' => true,
|
||
|
|
'tabindex' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['li'] = array(
|
||
|
|
'style' => true,
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'role' => true,
|
||
|
|
'aria-labelledby' => true,
|
||
|
|
'value' => true,
|
||
|
|
'aria-modal' => true,
|
||
|
|
'tabindex' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['span'] = array(
|
||
|
|
'style' => true,
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'aria-hidden' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['style'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'type' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['fieldset'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'type' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['link'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'type' => true,
|
||
|
|
'rel' => true,
|
||
|
|
'href' => true,
|
||
|
|
'media' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['form'] = array(
|
||
|
|
'style' => true,
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'method' => true,
|
||
|
|
'action' => true,
|
||
|
|
'data-*' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['script'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'type' => true,
|
||
|
|
'src' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['table'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'type' => true,
|
||
|
|
'cellpadding' => true,
|
||
|
|
'cellspacing' => true,
|
||
|
|
'border' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
$allowed_tags['canvas'] = array(
|
||
|
|
'class' => true,
|
||
|
|
'id' => true,
|
||
|
|
'style' => true
|
||
|
|
);
|
||
|
|
|
||
|
|
echo wp_kses($html, $allowed_tags);
|
||
|
|
|
||
|
|
add_filter('safe_style_css', function ($styles) {
|
||
|
|
$styles_wf = array(
|
||
|
|
'text-align',
|
||
|
|
'margin',
|
||
|
|
'color',
|
||
|
|
'float',
|
||
|
|
'border',
|
||
|
|
'background',
|
||
|
|
'background-color',
|
||
|
|
'border-bottom',
|
||
|
|
'border-bottom-color',
|
||
|
|
'border-bottom-style',
|
||
|
|
'border-bottom-width',
|
||
|
|
'border-collapse',
|
||
|
|
'border-color',
|
||
|
|
'border-left',
|
||
|
|
'border-left-color',
|
||
|
|
'border-left-style',
|
||
|
|
'border-left-width',
|
||
|
|
'border-right',
|
||
|
|
'border-right-color',
|
||
|
|
'border-right-style',
|
||
|
|
'border-right-width',
|
||
|
|
'border-spacing',
|
||
|
|
'border-style',
|
||
|
|
'border-top',
|
||
|
|
'border-top-color',
|
||
|
|
'border-top-style',
|
||
|
|
'border-top-width',
|
||
|
|
'border-width',
|
||
|
|
'caption-side',
|
||
|
|
'clear',
|
||
|
|
'cursor',
|
||
|
|
'direction',
|
||
|
|
'font',
|
||
|
|
'font-family',
|
||
|
|
'font-size',
|
||
|
|
'font-style',
|
||
|
|
'font-variant',
|
||
|
|
'font-weight',
|
||
|
|
'height',
|
||
|
|
'letter-spacing',
|
||
|
|
'line-height',
|
||
|
|
'margin-bottom',
|
||
|
|
'margin-left',
|
||
|
|
'margin-right',
|
||
|
|
'margin-top',
|
||
|
|
'overflow',
|
||
|
|
'padding',
|
||
|
|
'padding-bottom',
|
||
|
|
'padding-left',
|
||
|
|
'padding-right',
|
||
|
|
'padding-top',
|
||
|
|
'text-decoration',
|
||
|
|
'text-indent',
|
||
|
|
'vertical-align',
|
||
|
|
'width'
|
||
|
|
);
|
||
|
|
|
||
|
|
foreach ($styles_wf as $style_wf) {
|
||
|
|
if (($key = array_search($style_wf, $styles)) !== false) {
|
||
|
|
unset($styles[$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $styles;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} // class
|