Ticket #19855: 19855-4.patch

wp-includes/deprecated.php

@@ -2980 +2980 @@
                 return $theme;
 
         return wp_get_theme()->get('Name');
-}
- No newline at end of file
+}
+
+/**
+ * Accepts matches array from preg_replace_callback in wpautop() or a string.
+ *
+ * Ensures that the contents of a <<pre>>...<</pre>> HTML block are not
+ * converted into paragraphs or line-breaks.
+ *
+ * @since 1.2.0
+ * @deprecated 3.4.0
+ *
+ * @param array|string $matches The array or string
+ * @return string The pre block without paragraph/line-break conversion.
+ */
+function clean_pre($matches) {
+        _deprecated_function( __FUNCTION__, '3.4' );
+        
+        if ( is_array($matches) )
+                $text = $matches[1] . $matches[2] . "</pre>";
+        else
+                $text = $matches;
+
+        $text = str_replace('<br />', '', $text);
+        $text = str_replace('<p>', "\n", $text);
+        $text = str_replace('</p>', '', $text);
+
+        return $text;
+}
+

wp-includes/formatting.php

@@ -173 +173 @@
 }
 
 /**
- * Accepts matches array from preg_replace_callback in wpautop() or a string.
- *
- * Ensures that the contents of a <<pre>>...<</pre>> HTML block are not
- * converted into paragraphs or line-breaks.
- *
- * @since 1.2.0
- *
- * @param array|string $matches The array or string
- * @return string The pre block without paragraph/line-break conversion.
- */
-function clean_pre($matches) {
-        if ( is_array($matches) )
-                $text = $matches[1] . $matches[2] . "</pre>";
-        else
-                $text = $matches;
-
-        $text = str_replace('<br />', '', $text);
-        $text = str_replace('<p>', "\n", $text);
-        $text = str_replace('</p>', '', $text);
-
-        return $text;
-}
-
-/**
  * Replaces double line-breaks with paragraph elements.
  *
  * A group of regex replaces used to identify text formatted with newlines and
@@ -207 +183 @@
  * @since 0.71
  *
  * @param string $pee The text which has to be formatted.
- * @param int|bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
+ * @param bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
  * @return string Text which has been converted into correct paragraph tags.
  */
-function wpautop($pee, $br = 1) {
+function wpautop($pee, $br = true) {
+        $pre_tags = array();
 
         if ( trim($pee) === '' )
                 return '';
+
         $pee = $pee . "\n"; // just to make things a little easier, pad the end
+
+        if ( strpos($pee, '<pre') !== false ) {
+                $pee_parts = explode( '</pre>', $pee );
+                $last_pee = array_pop($pee_parts);
+                $pee = '';
+                $i = 0;
+
+                foreach ( $pee_parts as $pee_part ) {
+                        $start = strpos($pee_part, '<pre');
+
+                        // Malformed html?
+                        if ( $start === false ) {
+                                $pee .= $pee_part;
+                                continue;
+                        }
+
+                        $name = "<pre wp-pre-tag-$i></pre>";
+                        $pre_tags[$name] = substr( $pee_part, $start ) . '</pre>';
+
+                        $pee .= substr( $pee_part, 0, $start ) . $name;
+                        $i++;
+                }
+
+                $pee .= $last_pee;
+        }
+
         $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
         // Space things out a little
         $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
@@ -239 +243 @@
         $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
         $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);
         $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
-        if ($br) {
+        if ( $br ) {
                 $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee);
                 $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
                 $pee = str_replace('<WPPreserveNewline />', "\n", $pee);
         }
         $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);
         $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
-        if (strpos($pee, '<pre') !== false)
-                $pee = preg_replace_callback('!(<pre[^>]*>)(.*?)</pre>!is', 'clean_pre', $pee );
         $pee = preg_replace( "|\n</p>$|", '</p>', $pee );
 
+        if ( !empty($pre_tags) )
+                $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);
+
         return $pee;
 }