Ticket #30644: 30644.patch

src/wp-includes/formatting.php

@@ -376 +376 @@
         if ( trim($pee) === '' )
                 return '';
 
+        /**
+         * Temporary filter. Enables replacement of the wpautop() function by plugins.
+         *
+         * If the filtered output isn't empty, it will be returned instead of running
+         * the rest of the function.
+         *
+         * @since 4.2.0
+         *
+         * @param string $output  The filter output. Default empty.
+         * @param string $pee     The text which has to be formatted.
+         * @param bool   $br      Whether to convert the remaining line breaks into <br> tags.
+         */
+        if ( $output = apply_filters( '_temp_wpautop', '', $pee, $br ) ) {
+                return $output;
+        }
+
         $pee = $pee . "\n"; // just to make things a little easier, pad the end
 
         if ( strpos($pee, '<pre') !== false ) {