Ticket #46570: 46570.1.diff

src/wp-includes/functions.php

@@ -528 +528 @@
                 case 'i':
                 case 'd':
                         $end = $strict ? '$' : '';
-                        return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
+                        return (bool) preg_match( "/^{$token}:[0-9.+E-]+;$end/", $data );
         }
         return false;
 }

tests/phpunit/tests/functions.php

@@ -213 +213 @@
                                         '3',
                                         4,
                                 )
-                        ),
+                        )
                 );
                 foreach ( $cases as $case ) {
                         $this->assertTrue( is_serialized( $case ), "Serialized data: $case" );
@@ -229 +229 @@
                 }
         }
 
+        /**
+         * @ticket 46570
+         */
+        function test_is_serialized_should_return_true_for_large_digits() {
+
+                $cases = array(
+                        serialize( 1.7976931348623157E+308 ),
+                        serialize( array( 1.7976931348623157E+308, 1.23e50 ) )
+                );
+
+                foreach( $cases as $case ) {
+
+                        $this->assertTrue( is_serialized( $case ), "Serialized data: $case" );
+
+                }
+
+        }
+
         /**
          * @ticket 17375
          */