Ticket #17375: 17375.5.patch

src/wp-includes/functions.php

@@ -327 +327 @@
                         }
                         // or else fall through
                 case 'a' :
+                case 'C' :
                 case 'O' :
-                        return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
+                        return (bool) preg_match( "/^{$token}:[+]?[0-9]+:/s", $data );
                 case 'b' :
                 case 'i' :
                 case 'd' :

tests/phpunit/includes/functions.php

@@ -102 +102 @@
                         echo "\t $k : $v\n";
                 }
         }
+}
+
+class Serialized_Class implements Serializable {
+
+        public $data = array(
+                'one',
+                'two',
+                'three',
+        );
+
+        public function serialize() {
+                return serialize($this->data);
+        }
+
+        public function unserialize( $serialized ) {}
+
 }
+ No newline at end of file

tests/phpunit/tests/functions.php

@@ -158 +158 @@
                         serialize("a\nb"),
                         serialize(array()),
                         serialize(array(1,1,2,3,5,8,13)),
-                        serialize( (object)array('test' => true, '3', 4) )
+                        serialize( (object)array('test' => true, '3', 4) ),
+                        serialize( new Serialized_Class() )
                 );
                 foreach ( $cases as $case )
                         $this->assertTrue( is_serialized($case), "Serialized data: $case" );