Changeset 23729 for trunk/wp-includes/shortcodes.php

Timestamp:

03/16/2013 05:25:44 AM (13 years ago)

Author:

markjaquith

Message:

Introduce [audio] and [video] shortcodes, and use MediaElement.js to play them.

props wonderboymusic. see #23282.

File:

• trunk/wp-includes/shortcodes.php (modified) (1 diff)

trunk/wp-includes/shortcodes.php

@@ -126 +126 @@
 
     $shortcode_tags = array();
+}
+
+/**
+ * Whether a registered shortcode exists named $tag
+ *
+ * @since 3.6.0
+ *
+ * @global array $shortcode_tags
+ * @param string $tag
+ * @return boolean
+ */
+function shortcode_exists( $tag ) {
+    global $shortcode_tags;
+    return array_key_exists( $tag, $shortcode_tags );
+}
+
+/**
+ * Whether the passed content contains the specified shortcode
+ *
+ * @since 3.6.0
+ *
+ * @global array $shortcode_tags
+ * @param string $tag
+ * @return boolean
+ */
+function has_shortcode( $content, $tag ) {
+    if ( shortcode_exists( $tag ) ) {
+        $matches = array();
+        preg_match_all( '/' . get_shortcode_regex() . '/s', $content, $matches, PREG_SET_ORDER );
+        if ( empty( $matches ) )
+            return false;
+
+        foreach ( $matches as $shortcode ) {
+            if ( $tag === $shortcode[2] )
+                return true;
+        }
+    }
+    return false;
 }