Changeset 31736

Timestamp:

03/11/2015 11:08:56 PM (10 years ago)

Author:

ocean90

Message:

Administration: Remove single-use URL parameters and create canonical link based on new URL.

The default removable query args are 'message', 'settings-updated', 'saved', 'update', 'updated','activated', 'activate', 'deactivate', 'locked', 'deleted', 'trashed', 'untrashed', 'enabled', 'disabled', and 'skipped'.

props morganestes.
fixes #23367.

File:

• trunk/src/wp-admin/includes/misc.php (modified) (1 diff)

trunk/src/wp-admin/includes/misc.php

@@ -842 +842 @@
     }
 }
-
 add_action( 'post_edit_form_tag', 'post_form_autocomplete_off' );
+
+/**
+ * Remove single-use URL parameters and create canonical link based on new URL.
+ *
+ * Remove specific query string parameters from a URL, create the canonical link,
+ * put it in the admin header, and change the current URL to match.
+ *
+ * @since 4.2.0
+ */
+function wp_admin_canonical_url() {
+    $removable_query_args = array(
+        'message', 'settings-updated', 'saved',
+        'update', 'updated','activated',
+        'activate', 'deactivate', 'locked',
+        'deleted', 'trashed', 'untrashed',
+        'enabled', 'disabled', 'skipped',
+    );
+
+    /**
+     * Filter the list of URL parameters to remove.
+     *
+     * @since 4.2.0
+     *
+     * @param array $removable_query_args An array of parameters to remove from the URL.
+     */
+    $removable_query_args = apply_filters( 'removable_query_args', $removable_query_args );
+
+    if ( empty( $removable_query_args ) ) {
+        return;
+    }
+
+    // Ensure we're using an absolute URL.
+    $current_url  = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+    $filtered_url = remove_query_arg( $removable_query_args, $current_url );
+    ?>
+    <link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
+    <script>
+        if ( window.history.replaceState ) {
+            window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href );
+        }
+    </script>
+<?php
+}
+add_action( 'admin_head', 'wp_admin_canonical_url' );