X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/0461a5f2e55c8d5f1fde96ca2e83117152573c7d..9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f:/wp-admin/includes/misc.php

diff --git a/wp-admin/includes/misc.php b/wp-admin/includes/misc.php
index 3680f8e5..f93e1388 100644
--- a/wp-admin/includes/misc.php
+++ b/wp-admin/includes/misc.php
@@ -22,9 +22,10 @@ function got_mod_rewrite() {
 	 * This filter was previously used to force URL rewriting for other servers,
 	 * like nginx. Use the got_url_rewrite filter in got_url_rewrite() instead.
 	 *
+	 * @since 2.5.0
+	 *
 	 * @see got_url_rewrite()
 	 *
-	 * @since 2.5.0
 	 * @param bool $got_rewrite Whether Apache and mod_rewrite are present.
 	 */
 	return apply_filters( 'got_rewrite', $got_rewrite );
@@ -46,6 +47,7 @@ function got_url_rewrite() {
 	 * Filter whether URL rewriting is available.
 	 *
 	 * @since 3.7.0
+	 *
 	 * @param bool $got_url_rewrite Whether URL rewriting is available.
 	 */
 	return apply_filters( 'got_url_rewrite', $got_url_rewrite );
@@ -161,8 +163,10 @@ function save_mod_rewrite_rules() {
 	$home_path = get_home_path();
 	$htaccess_file = $home_path.'.htaccess';
 
-	// If the file doesn't already exist check for write access to the directory and whether we have some rules.
-	// else check for write access to the file.
+	/*
+	 * If the file doesn't already exist check for write access to the directory
+	 * and whether we have some rules. Else check for write access to the file.
+	 */
 	if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
 		if ( got_mod_rewrite() ) {
 			$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
@@ -272,17 +276,15 @@ function url_shorten( $url ) {
  * @param array $vars An array of globals to reset.
  */
 function wp_reset_vars( $vars ) {
-	for ( $i=0; $i<count( $vars ); $i += 1 ) {
-		$var = $vars[$i];
-		global $$var;
-
-		if ( empty( $_POST[$var] ) ) {
-			if ( empty( $_GET[$var] ) )
-				$$var = '';
-			else
-				$$var = $_GET[$var];
+	foreach ( $vars as $var ) {
+		if ( empty( $_POST[ $var ] ) ) {
+			if ( empty( $_GET[ $var ] ) ) {
+				$GLOBALS[ $var ] = '';
+			} else {
+				$GLOBALS[ $var ] = $_GET[ $var ];
+			}
 		} else {
-			$$var = $_POST[$var];
+			$GLOBALS[ $var ] = $_POST[ $var ];
 		}
 	}
 }
@@ -336,11 +338,11 @@ function wp_doc_link_parse( $content ) {
 	sort( $functions );
 
 	/**
-	 * Filter the list of functions/classes to be ignored from the documentation lookup.
+	 * Filter the list of functions and classes to be ignored from the documentation lookup.
 	 *
 	 * @since 2.8.0
 	 *
-	 * @param array $ignore_functions Functions/Classes to be ignored.
+	 * @param array $ignore_functions Functions and classes to be ignored.
 	 */
 	$ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions );
 
@@ -802,7 +804,7 @@ add_filter( 'heartbeat_settings', 'wp_heartbeat_set_suspension' );
 /**
  * Autosave with heartbeat
  *
- * @since 3.9
+ * @since 3.9.0
  */
 function heartbeat_autosave( $response, $data ) {
 	if ( ! empty( $data['wp_autosave'] ) ) {
@@ -824,3 +826,20 @@ function heartbeat_autosave( $response, $data ) {
 }
 // Run later as we have to set DOING_AUTOSAVE for back-compat
 add_filter( 'heartbeat_received', 'heartbeat_autosave', 500, 2 );
+
+/**
+ * Disables autocomplete on the 'post' form (Add/Edit Post screens) for WebKit browsers,
+ * as they disregard the autocomplete setting on the editor textarea. That can break the editor
+ * when the user navigates to it with the browser's Back button. See #28037
+ *
+ * @since 4.0
+ */
+function post_form_autocomplete_off() {
+	global $is_safari, $is_chrome;
+
+	if ( $is_safari || $is_chrome ) {
+		echo ' autocomplete="off"';
+	}
+}
+
+add_action( 'post_edit_form_tag', 'post_form_autocomplete_off' );