Changeset 18556 for trunk/wp-includes/functions.wp-styles.php

Timestamp:

08/17/2011 05:48:13 AM (12 years ago)

Author:

azaozz

Message:

Add _doing_it_wrong() when a plugin or theme accesses $wp_scripts or $wp_styles too early (also fixes localization), props SergeyBiryukov, fixes #11526

File:

• trunk/wp-includes/functions.wp-styles.php (modified) (6 diffs)

trunk/wp-includes/functions.wp-styles.php

@@ -71 +71 @@
 function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {
     global $wp_styles;
-    if ( !is_a($wp_styles, 'WP_Styles') )
-        $wp_styles = new WP_Styles();
+
+    wp_styles_init();
 
     $wp_styles->add( $handle, $src, $deps, $ver, $media );
@@ -88 +88 @@
 function wp_deregister_style( $handle ) {
     global $wp_styles;
-    if ( !is_a($wp_styles, 'WP_Styles') )
-        $wp_styles = new WP_Styles();
+
+    wp_styles_init();
 
     $wp_styles->remove( $handle );
@@ -115 +115 @@
 function wp_enqueue_style( $handle, $src = false, $deps = array(), $ver = false, $media = 'all' ) {
     global $wp_styles;
-    if ( !is_a($wp_styles, 'WP_Styles') )
-        $wp_styles = new WP_Styles();
+
+    wp_styles_init();
 
     if ( $src ) {
@@ -133 +133 @@
 function wp_dequeue_style( $handle ) {
     global $wp_styles;
-    if ( !is_a($wp_styles, 'WP_Styles') )
-        $wp_styles = new WP_Styles();
+
+    wp_styles_init();
 
     $wp_styles->dequeue( $handle );
@@ -153 +153 @@
 function wp_style_is( $handle, $list = 'queue' ) {
     global $wp_styles;
-    if ( !is_a($wp_styles, 'WP_Styles') )
-        $wp_styles = new WP_Styles();
+
+    wp_styles_init();
 
     $query = $wp_styles->query( $handle, $list );
@@ -163 +163 @@
     return $query;
 }
+
+/**
+ * Initializes $wp_styles global (if it hasn't already been initialized by a faulty plugin or theme).
+ *
+ * @since 3.3
+ */
+function wp_styles_init() {
+    global $wp_styles;
+    static $done = false;
+
+    if ( !$done && !is_a($wp_styles, 'WP_Styles') ) {
+        if ( !did_action('after_setup_theme') ) {
+            $func = debug_backtrace();
+            $trace = !empty($func[1]['function']) ? $func[1]['function'] : __FUNCTION__;
+
+            _doing_it_wrong( $trace, __( '$wp_styles should not be accessed before the "init" hook.' ), '3.3' );
+        }
+
+        $wp_styles = new WP_Styles();
+        $done = true;
+    }
+}
+