Changeset 33522 for branches/4.0/src/wp-includes/formatting.php

Timestamp:

07/31/2015 01:43:11 AM (11 years ago)

Author:

azaozz

Message:

Backport r33469 and r33470 to 4.0.
See #33106.

File:

• branches/4.0/src/wp-includes/formatting.php (modified) (3 diffs)

branches/4.0/src/wp-includes/formatting.php

@@ -406 +406 @@
         $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines
 
-        // Strip newlines from all elements.
-        $pee = wp_replace_in_html_tags( $pee, array( "\n" => " " ) );
+        // Find newlines in all elements and add placeholders.
+        $pee = wp_replace_in_html_tags( $pee, array( "\n" => " <!-- wpnl --> " ) );
 
         if ( strpos( $pee, '<option' ) !== false ) {
@@ -460 +460 @@
                 $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);
 
+        // Restore newlines in all elements.
+        $pee = str_replace( " <!-- wpnl --> ", "\n", $pee );
+
         return $pee;
+}
+
+/**
+ * Separate HTML elements and comments from the text.
+ *
+ * @since 4.2.4
+ *
+ * @param string $input The text which has to be formatted.
+ * @return array The formatted text.
+ */
+function wp_html_split( $input ) {
+        static $regex;
+
+        if ( ! isset( $regex ) ) {
+                $comments =
+                          '!'           // Start of comment, after the <.
+                        . '(?:'         // Unroll the loop: Consume everything until --> is found.
+                        .     '-(?!->)' // Dash not followed by end of comment.
+                        .     '[^\-]*+' // Consume non-dashes.
+                        . ')*+'         // Loop possessively.
+                        . '(?:-->)?';   // End of comment. If not found, match all input.
+
+                $cdata =
+                          '!\[CDATA\['  // Start of comment, after the <.
+                        . '[^\]]*+'     // Consume non-].
+                        . '(?:'         // Unroll the loop: Consume everything until ]]> is found.
+                        .     '](?!]>)' // One ] not followed by end of comment.
+                        .     '[^\]]*+' // Consume non-].
+                        . ')*+'         // Loop possessively.
+                        . '(?:]]>)?';   // End of comment. If not found, match all input.
+
+                $regex =
+                          '/('              // Capture the entire match.
+                        .     '<'           // Find start of element.
+                        .     '(?(?=!--)'   // Is this a comment?
+                        .         $comments // Find end of comment.
+                        .     '|'
+                        .         '(?(?=!\[CDATA\[)' // Is this a comment?
+                        .             $cdata // Find end of comment.
+                        .         '|'
+                        .             '[^>]*>?' // Find end of element. If not found, match all input.
+                        .         ')'
+                        .     ')'
+                        . ')/s';
+        }
+
+        return preg_split( $regex, $input, -1, PREG_SPLIT_DELIM_CAPTURE );
 }
 
@@ -474 +524 @@
 function wp_replace_in_html_tags( $haystack, $replace_pairs ) {
         // Find all elements.
-        $comments =
-                  '!'           // Start of comment, after the <.
-                . '(?:'         // Unroll the loop: Consume everything until --> is found.
-                .     '-(?!->)' // Dash not followed by end of comment.
-                .     '[^\-]*+' // Consume non-dashes.
-                . ')*+'         // Loop possessively.
-                . '(?:-->)?';   // End of comment. If not found, match all input.
-
-        $regex =
-                  '/('              // Capture the entire match.
-                .     '<'           // Find start of element.
-                .     '(?(?=!--)'   // Is this a comment?
-                .         $comments // Find end of comment.
-                .     '|'
-                .         '[^>]*>?' // Find end of element. If not found, match all input.
-                .     ')'
-                . ')/s';
-
-        $textarr = preg_split( $regex, $haystack, -1, PREG_SPLIT_DELIM_CAPTURE );
+        $textarr = wp_html_split( $haystack );
         $changed = false;