Ticket #39048: wp_parse_str_undifeied_vars.2.patch

src/wp-includes/functions.php

@@ -807 +807 @@
                 $base = '';
                 $query = $uri;
         }
-
+        $qs = array();
         wp_parse_str( $query, $qs );
         $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string
         if ( is_array( $args[0] ) ) {
@@ -3434 +3433 @@
         elseif ( is_array( $args ) )
                 $r =& $args;
         else
+                $r = array();
                 wp_parse_str( $args, $r );
 
         if ( is_array( $defaults ) )

src/wp-includes/general-template.php

@@ -3277 +3277 @@
                 // Find the format argument.
                 $format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) );
                 $format_query = isset( $format[1] ) ? $format[1] : '';
+                $format_args = array();
                 wp_parse_str( $format_query, $format_args );
 
                 // Find the query args of the requested URL.
+                $url_query_args = array();
                 wp_parse_str( $url_parts[1], $url_query_args );
 
                 // Remove the format argument from the array of query arguments, to avoid overwriting custom format.

src/wp-includes/script-loader.php

@@ -1030 +1030 @@
 
                 $parsed = parse_url( $src );
                 if ( isset($parsed['query']) && $parsed['query'] ) {
+                        $qv = array();
                         wp_parse_str( $parsed['query'], $qv );
                         $url = add_query_arg( $qv, $url );
                 }

tests/phpunit/tests/functions.php

@@ -35 +35 @@
 
         function test_wp_parse_args_other() {
                 $b = true;
+                $s = array();
                 wp_parse_str($b, $s);
                 $this->assertEquals($s, wp_parse_args($b));
                 $q = 'x=5&_baba=dudu&';
+                $ss = array();
                 wp_parse_str($q, $ss);
                 $this->assertEquals($ss, wp_parse_args($q));
         }