3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $classNames = array( "Foo", // userland class "StdClass", // class defined by php-src, but still not considered as internal "Bar", // userland class implementing Serializable "ReflectionClass", // internal class "ArrayObject", // internal class implementing Serializable "Baz", // userland class extending internal class implementing Serializable ); function instanitateWithoutConstructorThroughUnserialize($className) { $class = new ReflectionClass($className); try { return unserialize( sprintf( '%s:%d:"%s":0:{}', (version_compare(PHP_VERSION, '5.4', '>') && $class->implementsInterface("Serializable") ? "C" : "O"), strlen($className), $className ) ); } catch (Exception $e) { return $e; } } function instanitateWithoutConstructorThroughReflection($className) { try { $ref = new ReflectionClass($className); return $ref->newInstanceWithoutConstructor(); } catch (Exception $e) { return $e; } } class Foo {} class Bar implements Serializable { private $data; public function serialize() { return serialize($this->data); } public function unserialize($data) { $this->data = unserialize($data); } } class Baz extends ArrayObject {} foreach($classNames as $className) { echo "$className\n"; var_dump(instanitateWithoutConstructorThroughUnserialize($className)); if (version_compare(PHP_VERSION, '5.4.0') >= 0) { var_dump(instanitateWithoutConstructorThroughReflection($className)); } echo "\n"; }
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
Foo object(Foo)#2 (0) { } object(Foo)#1 (0) { } StdClass object(stdClass)#2 (0) { } object(stdClass)#1 (0) { } Bar object(Bar)#2 (1) { ["data":"Bar":private]=> bool(false) } object(Bar)#1 (1) { ["data":"Bar":private]=> NULL } ReflectionClass object(ReflectionClass)#2 (1) { ["name"]=> string(0) "" } object(ReflectionClass)#1 (1) { ["name"]=> string(0) "" } ArrayObject object(ArrayObject)#2 (1) { ["storage":"ArrayObject":private]=> array(0) { } } object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } } Baz object(Baz)#2 (1) { ["storage":"ArrayObject":private]=> array(0) { } } object(Baz)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Output for hhvm-3.10.0 - 3.12.0
Foo object(Foo)#2 (0) { } object(Foo)#3 (0) { } StdClass object(stdClass)#4 (0) { } object(stdClass)#5 (0) { } Bar object(Bar)#6 (1) { ["data":"Bar":private]=> bool(false) } object(Bar)#7 (1) { ["data":"Bar":private]=> NULL } ReflectionClass object(ReflectionClass)#8 (2) { ["name"]=> NULL ["obj":"ReflectionClass":private]=> NULL } object(ReflectionClass)#9 (2) { ["name"]=> NULL ["obj":"ReflectionClass":private]=> NULL } ArrayObject object(UnexpectedValueException)#11 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(11) "ArrayObject" } } } ["previous":"Exception":private]=> NULL } object(ArrayObject)#12 (1) { ["storage":"ArrayObject":private]=> array(0) { } } Baz object(UnexpectedValueException)#14 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(3) "Baz" } } } ["previous":"Exception":private]=> NULL } object(Baz)#15 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Output for 5.4.14 - 5.5.35
Foo object(Foo)#2 (0) { } object(Foo)#1 (0) { } StdClass object(stdClass)#2 (0) { } object(stdClass)#1 (0) { } Bar object(Bar)#2 (1) { ["data":"Bar":private]=> bool(false) } object(Bar)#1 (1) { ["data":"Bar":private]=> NULL } ReflectionClass object(ReflectionClass)#2 (1) { ["name"]=> string(0) "" } object(ReflectionException)#1 (7) { ["message":protected]=> string(103) "Class ReflectionClass is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(15) "ReflectionClass" } } } ["previous":"Exception":private]=> NULL } ArrayObject object(UnexpectedValueException)#3 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(3) { [0]=> array(4) { ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(23) "C:11:"ArrayObject":0:{}" } } [2]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(11) "ArrayObject" } } } ["previous":"Exception":private]=> NULL } object(ReflectionException)#1 (7) { ["message":protected]=> string(99) "Class ArrayObject is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(11) "ArrayObject" } } } ["previous":"Exception":private]=> NULL } Baz object(UnexpectedValueException)#2 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(3) { [0]=> array(4) { ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(14) "C:3:"Baz":0:{}" } } [2]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(3) "Baz" } } } ["previous":"Exception":private]=> NULL } object(ReflectionException)#1 (7) { ["message":protected]=> string(91) "Class Baz is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(3) "Baz" } } } ["previous":"Exception":private]=> NULL }
Output for 5.4.0 - 5.4.13
Foo object(Foo)#2 (0) { } object(Foo)#1 (0) { } StdClass object(stdClass)#2 (0) { } object(stdClass)#1 (0) { } Bar object(Bar)#2 (1) { ["data":"Bar":private]=> bool(false) } object(Bar)#1 (1) { ["data":"Bar":private]=> NULL } ReflectionClass object(ReflectionClass)#2 (1) { ["name"]=> string(0) "" } object(ReflectionException)#1 (7) { ["message":protected]=> string(103) "Class ReflectionClass is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(15) "ReflectionClass" } } } ["previous":"Exception":private]=> NULL } ArrayObject Notice: unserialize(): Error at offset 22 of 23 bytes in /in/M7ENe on line 22 object(UnexpectedValueException)#3 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(3) { [0]=> array(4) { ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(23) "C:11:"ArrayObject":0:{}" } } [2]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(11) "ArrayObject" } } } ["previous":"Exception":private]=> NULL } object(ReflectionException)#1 (7) { ["message":protected]=> string(99) "Class ArrayObject is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(11) "ArrayObject" } } } ["previous":"Exception":private]=> NULL } Baz Notice: unserialize(): Error at offset 13 of 14 bytes in /in/M7ENe on line 22 object(UnexpectedValueException)#2 (7) { ["message":protected]=> string(39) "Empty serialized string cannot be empty" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(22) ["trace":"Exception":private]=> array(3) { [0]=> array(4) { ["function"]=> string(11) "unserialize" ["class"]=> string(11) "ArrayObject" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> string(0) "" } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(22) ["function"]=> string(11) "unserialize" ["args"]=> array(1) { [0]=> string(14) "C:3:"Baz":0:{}" } } [2]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(55) ["function"]=> string(47) "instanitateWithoutConstructorThroughUnserialize" ["args"]=> array(1) { [0]=> string(3) "Baz" } } } ["previous":"Exception":private]=> NULL } object(ReflectionException)#1 (7) { ["message":protected]=> string(91) "Class Baz is an internal class that cannot be instantiated without invoking its constructor" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/M7ENe" ["line":protected]=> int(31) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(31) ["function"]=> string(29) "newInstanceWithoutConstructor" ["class"]=> string(15) "ReflectionClass" ["type"]=> string(2) "->" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/M7ENe" ["line"]=> int(57) ["function"]=> string(46) "instanitateWithoutConstructorThroughReflection" ["args"]=> array(1) { [0]=> string(3) "Baz" } } } ["previous":"Exception":private]=> NULL }
Output for 5.3.0 - 5.3.29
Foo object(Foo)#2 (0) { } StdClass object(stdClass)#1 (0) { } Bar object(Bar)#2 (1) { ["data":"Bar":private]=> NULL } ReflectionClass object(ReflectionClass)#1 (1) { ["name"]=> string(0) "" } ArrayObject object(ArrayObject)#2 (1) { ["storage":"ArrayObject":private]=> array(0) { } } Baz object(Baz)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Output for 5.1.0 - 5.2.17
Foo object(Foo)#2 (0) { } StdClass object(stdClass)#1 (0) { } Bar object(Bar)#2 (1) { ["data:private"]=> NULL } ReflectionClass object(ReflectionClass)#1 (1) { ["name"]=> string(0) "" } ArrayObject object(ArrayObject)#2 (0) { } Baz object(Baz)#1 (0) { }
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/M7ENe on line 39
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/M7ENe on line 39
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/M7ENe on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '{' in /in/M7ENe on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/M7ENe on line 14
Process exited with code 255.