PHP has_shortcode函数代码示例

 /**
  * Parse the CF7 shortcode ID in single or nested shortcodes
  * @return (array) of CF7 id(s)
  * @since 1.0.2
  */
 function parse_shortcode_id($content)
 {
     $tag = 'contact-form-7';
     // Return if there is no CF7 shortcode in post content
     if (!has_shortcode($content, $tag)) {
         return false;
     }
     // Get all the CF7 form shortcodes in the post content
     // Use similar approach as wp-includes\shortcodes.php has_shortcode() function
     preg_match_all('/' . get_shortcode_regex() . '/s', $content, $matches, PREG_SET_ORDER);
     if (empty($matches)) {
         return false;
     }
     // Loop through shortcodes, parse shortcode attributes and get the CF7 form ID
     foreach ($matches as $shortcode) {
         if ($tag === $shortcode[2]) {
             $atts = shortcode_parse_atts($shortcode[3]);
             $ids[] = $atts['id'];
             // Add the CF7 form ID
             // Nested shortcode
         } elseif (!empty($shortcode[5]) && has_shortcode($shortcode[5], $tag)) {
             // nested shortcodes
             $shortcode = $this->parse_shortcode_id($shortcode[5]);
         }
     }
     // Return all the CF7 form ID
     if (isset($ids)) {
         return $ids;
     }
 }

 public function enqueue_scripts($posts)
 {
     if (empty($posts)) {
         return $posts;
     }
     // false because we have to search through the posts first
     $found = false;
     // search through each post
     foreach ($posts as $post) {
         if (has_shortcode($post->post_content, self::slug)) {
             // we have found a post with the short code
             $found = true;
             // stop the search
             break;
         }
     }
     if ($found) {
         if ($this->load_css) {
             wp_enqueue_style('avca-google-map', AVCA_URL . 'modules/avca-google-map/assets/css/avca-google-map.css');
         }
         if ($this->load_map_api_js) {
             wp_enqueue_script('googlemap', '//maps.googleapis.com/maps/api/js?v=3.exp&sensor=false', array(), '3.0', false);
         }
         if ($this->load_infobox_js) {
             wp_enqueue_script('infobox', AVCA_URL . 'modules/avca-google-map/assets/js/infobox.js', array(), '3.0', false);
         }
         wp_enqueue_script('avca-google-map', AVCA_URL . 'modules/avca-google-map/assets/js/avca-google-map.js', array('jquery'), '3.0', false);
     }
     return $posts;
 }

function drstk_video_shortcode_scripts()
{
    global $post;
    if (has_shortcode($post->post_content, 'drstk_collection_playlist')) {
        wp_enqueue_script('drstk_jwplayer');
    }
}

 /**
  * Head.
  *
  * @return string
  */
 public function wp_head()
 {
     global $post;
     if (isset($post) && isset($post->post_content) && has_shortcode($post->post_content, 'gmaps')) {
         Wabbr::view('maps/head');
     }
 }

 /**
  * Shortcode stuff!
  */
 public static function list_event_shortcode($atts)
 {
     global $post;
     if (is_home() || is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'list-events') || is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'list_events') || is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'list-event') || is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'list_event')) {
         $event_list_attributes = shortcode_atts(array('event_id' => null, 'client_id' => null, 'event-id' => null, 'client-id' => null), $atts);
         $localized_variables = array('ajaxurl' => admin_url('admin-ajax.php'), 'bptNonce' => wp_create_nonce('bpt-event-list-nonce'), 'postID' => $post->ID);
         $purchase_options = get_option('_bpt_purchase_settings');
         if (isset($purchase_options['enable_sales'])) {
             $localized_variables['enableSales'] = $purchase_options['enable_sales'];
         }
         if ($event_list_attributes['event_id']) {
             $localized_variables['eventID'] = $event_list_attributes['event_id'];
         }
         if ($event_list_attributes['event-id']) {
             $localized_variables['eventID'] = $event_list_attributes['event-id'];
         }
         if ($event_list_attributes['client-id']) {
             $localized_variables['clientID'] = $event_list_attributes['client-id'];
         }
         if ($event_list_attributes['client_id']) {
             $localized_variables['clientID'] = $event_list_attributes['client_id'];
         }
         wp_enqueue_style('bpt_event_list_css', plugins_url('/assets/css/bpt-event-list-shortcode.css', __FILE__), array(), plugin::get_plugin_version());
         wp_register_script('event_feed_js_' . $post->ID, plugins_url('/assets/js/event-feed.js', __FILE__), array('jquery', 'underscore', 'ractive_js', 'ractive_transitions_slide_js', 'moment_with_langs_min'), null, true);
         wp_enqueue_script('event_feed_js_' . $post->ID);
         wp_localize_script('event_feed_js_' . $post->ID, 'bptEventFeedAjaxPost' . $post->ID, $localized_variables);
     }
     return require __DIR__ . '/assets/templates/event-list.php';
 }

function _base_scripts()
{
    global $post;
    // remove version
    add_filter('script_loader_src', 'remove_src_version');
    // global styles
    wp_enqueue_style('bootstrap-min', get_template_directory_uri() . '/assets/css/bootstrap.min.css', array(), '');
    wp_enqueue_style('font-awesome', get_template_directory_uri() . '/assets/css/font-awesome.min.css', array(), '');
    if (class_exists('bbPress')) {
        if (is_bbpress()) {
            wp_enqueue_style('bbpress-custom', get_template_directory_uri() . '/assets/css/bbpress.css', array(), '');
        }
    }
    wp_enqueue_style('custom', get_template_directory_uri() . '/assets/css/customs.css', array(), '');
    wp_enqueue_style('custom-style', get_template_directory_uri() . '/style.css', array(), '');
    // global scripts
    wp_enqueue_script('jquery');
    wp_enqueue_script('bootstrap', get_template_directory_uri() . '/assets/js/bootstrap.min.js', array(), '', true);
    if (is_single() && get_post_type() == 'course_unit') {
        wp_enqueue_script('froogaloop2', get_template_directory_uri() . '/assets/js/froogaloop2.min.js', array(), '', true);
    }
    if (is_page_template('page-templates/tpl-webinars.php')) {
        wp_enqueue_style('fancybox', get_template_directory_uri() . '/assets/lib/fancybox/jquery.fancybox.css', array(), '');
        wp_enqueue_script('fancybox', get_template_directory_uri() . '/assets/lib/fancybox/jquery.fancybox.pack.js', array(), '', true);
        wp_enqueue_script('fancybox-media', get_template_directory_uri() . '/assets/lib/fancybox/helpers/jquery.fancybox-media.js', array(), '', true);
    }
    if (has_shortcode($post->post_content, 'iard_table')) {
        wp_enqueue_script('angular', get_template_directory_uri() . '/assets/js/angular.min.js', array(), '', true);
        wp_enqueue_script('angular-sanitize', get_template_directory_uri() . '/assets/js/angular-sanitize.js', array(), '', true);
        wp_enqueue_script('table-app', get_template_directory_uri() . '/assets/js/tables.js', array(), '', true);
    }
    wp_enqueue_script('main', get_template_directory_uri() . '/assets/js/main.js', array(), '', true);
}

 public function hoo_api()
 {
     global $post;
     // /if the page contains the hoo-api shortcode send json and exit :}
     if (is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'hoo-api')) {
         $locations_repo = $this->entity_manager->getRepository('Hoo\\Model\\Location');
         $json_response = array();
         $date = isset($_GET['date']) ? new \DateTime($_GET['date']) : new \DateTime(date('Y-m-d'));
         if (isset($_GET['location_id'])) {
             $location = Location::get_location_by_id_or_shortname($_GET['location_id'], $this->entity_manager);
             if (!$location) {
                 return wp_send_json_error('Not Found');
             }
             $hours = $location->get_hours_for_date($date);
             $json_response['location'] = $location->to_api_response();
             $json_response['location']['address'] = $location->address->to_api_response();
             $json_response['hours'] = $hours ? $hours->to_api_response() : null;
             $json_response['weekly'] = $location->get_weekly_hours();
         } else {
             $locations_repo = $this->entity_manager->getRepository('Hoo\\Model\\Location');
             foreach ($locations_repo->findBy(array('is_visible' => true)) as $location) {
                 $hours = $location->get_hours_for_date($date);
                 $json_response[]['location'] = $location->to_api_response();
                 $json_response[]['location']['address'] = $location->address->to_api_response();
                 $json_response[]['hours'] = $hours ? $hours->to_api_response() : null;
                 $json_response[]['weekly'] = $location->get_weekly_hours();
             }
         }
         wp_send_json($json_response);
         exit;
     }
 }

function ecf_enqueue_on_the_fly()
{
    global $post;
    if (function_exists('has_shortcode')) {
        if (has_shortcode($post->post_content, 'easy-contactform')) {
            wp_enqueue_script('ecf-ladda-spin');
            wp_enqueue_script('ecf-notify');
            wp_enqueue_script('ecf-ladda-js');
            global $is_IE;
            if ($is_IE) {
                wp_enqueue_script('ecf-placeholder');
            }
        }
    } else {
        if (emg_old_has_shortcode('easy-contactform')) {
            wp_enqueue_script('ecf-ladda-spin');
            wp_enqueue_script('ecf-notify');
            wp_enqueue_script('ecf-ladda-js');
            global $is_IE;
            if ($is_IE) {
                wp_enqueue_script('ecf-placeholder');
            }
        }
    }
}

 /**
  * Check if the content contains the shortcode. Will use WP 3.6+ has_shortcode if available, otherwise
  * fall back to string matching.
  *
  * @param $content
  *
  * @return bool
  * @since 2.4
  */
 protected function hasShortCode($content)
 {
     if (function_exists('has_shortcode')) {
         return has_shortcode($content, 'utcw');
     }
     return strpos($content, '[utcw') !== false;
 }

 /**
  * Search a string for ingot shortcodes and return ids used
  *
  * @since 1.1.0
  *
  * @param string $content String to search
  *
  * @return array Array of group IDs
  */
 public static function find_ids($content)
 {
     $ids = [];
     $tag = 'ingot';
     if (!has_shortcode($content, $tag) || false === strpos($content, '[')) {
         return $ids;
     }
     if (shortcode_exists($tag)) {
         preg_match_all('/' . get_shortcode_regex() . '/', $content, $matches, PREG_SET_ORDER);
         if (empty($matches)) {
             return $ids;
         }
         foreach ($matches as $shortcode) {
             if ($tag === $shortcode[2] && isset($shortcode[3])) {
                 $_id = self::find_id($shortcode);
                 if (is_numeric($_id)) {
                     $ids[] = $_id;
                 }
             } elseif (!empty($shortcode[5]) && has_shortcode($shortcode[5], $tag)) {
                 $_id = self::find_id($shortcode);
                 if (is_numeric($_id)) {
                     $ids[] = $_id;
                 }
             }
         }
     }
     return $ids;
 }

/**
 * @param checks to see if the current post has a [video] shortcode.
 * @return script that will autoplay an HTML5 video player when in viewport, pauses when exits viewport.
 * @extends https://codex.wordpress.org/Video_Shortcode
 */
function ccb_video_script()
{
    global $post;
    if (is_a($post, 'WP_Post') && has_shortcode($post->post_content, 'video')) {
        ?>
        <script type="text/javascript">
		// Add :in-viewport jQuery detection
		(function($){$.belowthefold=function(element,settings){var fold=$(window).height()+$(window).scrollTop();return fold<=$(element).offset().top-settings.threshold;};$.abovethetop=function(element,settings){var top=$(window).scrollTop();return top>=$(element).offset().top+$(element).height()-settings.threshold;};$.rightofscreen=function(element,settings){var fold=$(window).width()+$(window).scrollLeft();return fold<=$(element).offset().left-settings.threshold;};$.leftofscreen=function(element,settings){var left=$(window).scrollLeft();return left>=$(element).offset().left+$(element).width()-settings.threshold;};$.inviewport=function(element,settings){return!$.rightofscreen(element,settings)&&!$.leftofscreen(element,settings)&&!$.belowthefold(element,settings)&&!$.abovethetop(element,settings);};$.extend($.expr[':'],{"below-the-fold":function(a,i,m){return $.belowthefold(a,{threshold:0});},"above-the-top":function(a,i,m){return $.abovethetop(a,{threshold:0});},"left-of-screen":function(a,i,m){return $.leftofscreen(a,{threshold:0});},"right-of-screen":function(a,i,m){return $.rightofscreen(a,{threshold:0});},"in-viewport":function(a,i,m){return $.inviewport(a,{threshold:0});}});})(jQuery);

        // Autplay video elements that are WP shortcodes.
        jQuery(window).bind("load",function(){
            jQuery(function() {
                jQuery(window).scroll(function() {
                    jQuery('.wp-video-shortcode').each(function() {
                        var str = jQuery(this).attr('id');
                        var arr = str.split('_');
                        typecheck = arr[0];
                        if (jQuery(this).is(":in-viewport( 400 )") && typecheck == "mep") {
                            mejs.players[jQuery(this).attr('id')].media.play();
                        } else if (typecheck == "mep") {
                            mejs.players[jQuery(this).attr('id')].media.pause();
                        }
                    });
                });
            });
        });
        </script>
        <?php 
    }
}

function wp_rss_retriever_css()
{
    global $post;
    if (has_shortcode($post->post_content, 'wp_rss_retriever')) {
        wp_enqueue_style('rss-retriever', plugin_dir_url(__FILE__) . 'inc/css/rss-retriever.css');
    }
}

function cfs_clear_css()
{
    global $post;
    if (has_shortcode($post->post_content, 'clear')) {
        echo "\n<style>\n/*\n * Clear Floats Shortcode CSS\n */\n.cfs-clearfix:before,\n.cfs-clearfix:after {\n\tcontent: \" \";\n\tdisplay: table;\n}\n.cfs-clearfix:after {\n\tclear: both;\n}\n\n.cfs-both {\n\tclear: both;\n}\n\n.cfs-right {\n\tclear: right;\n}\n\n.cfs-left {\n\tclear: left;\n}\n</style>";
    }
}

/**
* Enqueue scripts and stylesheets
*
* @param array $posts WordPress posts to check for the shortcode
* @return array $posts Checked WordPress posts
*
*/
function fep_enqueue_files($posts)
{
    if (empty($posts)) {
        return $posts;
    }
    $found = false;
    foreach ($posts as $post) {
        if (has_shortcode($post->post_content, 'fep_article_list') || has_shortcode($post->post_content, 'fep_submission_form')) {
            $found = true;
            break;
        }
    }
    if ($found) {
        wp_enqueue_style('fep-style', plugins_url('static/css/style.css', __FILE__), array(), '1.0', 'all');
        wp_enqueue_script("fep-script", plugins_url('static/js/scripts.js', __FILE__), array('jquery'));
        wp_localize_script('fep-script', 'fepajaxhandler', array('ajaxurl' => admin_url('admin-ajax.php')));
        $fep_rules = get_option('fep_post_restrictions');
        $fep_roles = get_option('fep_role_settings');
        $fep_rules['check_required'] = isset($fep_roles['no_check']) && $fep_roles['no_check'] && current_user_can($fep_roles['no_check']) ? 0 : 1;
        wp_localize_script('fep-script', 'fep_rules', $fep_rules);
        $enable_media = isset($fep_roles['enable_media']) && $fep_roles['enable_media'] ? current_user_can($fep_roles['enable_media']) : 1;
        if ($enable_media) {
            wp_enqueue_media();
        }
    }
    return $posts;
}

function curly_tabs_vc($atts, $content = null)
{
    $GLOBALS['tabsID'] = isset($GLOBALS['tabsID']) ? $GLOBALS['tabsID'] + 1 : 0;
    $GLOBALS['tabsSlideID'] = $GLOBALS['tabsID'] * 100;
    $pattern = get_shortcode_regex();
    preg_match_all("/{$pattern}/", $content, $shortcodes);
    $shortcodes_array = $shortcodes[2];
    $shortcodes_values_array = $shortcodes[3];
    $shortcodes_content_array = $shortcodes[5];
    extract(shortcode_atts(array(), $atts));
    if (has_shortcode($content, 'curly_tab')) {
        $html = '<div class="tabs-container">';
        $html .= '<ul class="nav nav-tabs">';
        $tabs_keys = array_keys($shortcodes_array, 'curly_tab');
        $index = 0;
        foreach ($tabs_keys as $key => $tab) {
            extract(shortcode_atts(array('title' => null), shortcode_parse_atts($shortcodes_values_array[$tab]), 'curly_tab'));
            $html .= '<li class="' . ($index === 0 ? 'active' : '') . '"><a href="#tab' . (100 * $GLOBALS['tabsID'] + 1) . '" data-toggle="tab">' . $title . '</a></li>';
            $index++;
        }
        $html .= '</ul>';
        $html .= '<div class="tab-content">';
        $html .= do_shortcode($content);
        $html .= '</div>';
        $html .= '</div>';
        return $html;
    }
}