Changeset 14158

Timestamp:

04/18/2010 05:40:50 PM (15 years ago)

Author:

nacin

Message:

Introduce is_post_type(). Can check if a post type is registered, or also if a post (current or specified) is of a certain post type. fixes #12588, props sirzooro, blepoxp, rmccue

File:

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

trunk/wp-includes/post.php

@@ -667 +667 @@
 
     return false;
+}
+
+/**
+ * Checks if a post type is registered, can also check if the current or specified post is of a post type.
+ *
+ * @since 3.0.0
+ * @uses get_post_type()
+ *
+ * @param string|array $types Type or types to check. Defaults to all post types.
+ * @param int $id Post ID. Defaults to current ID.
+ * @return bool
+ */
+function is_post_type( $types = false, $id = false ) {
+    $types = ( $types === false ) ? get_post_types() : (array) $types;
+    return in_array( get_post_type( $id ), $types );
 }