3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a; private $b; public function __construct($a) { $this->a = $a; $this->b = $a; } public function __sleep() { return array('a', 'b'); } public function __wakeUp() { $this->__construct($this->a); } public function getA() { return $this->a; } public function getB() { return $this->b; } } class B implements \Serializable { private $a; private $b; public function __construct($a) { $this->a = $a; $this->b = $a; } public function serialize() { return serialize(array($this->a, $this->b)); } public function unserialize($serialized) { list($this->a, $this->b) = unserialize($serialized); $this->__construct($this->a); } public function getA() { return $this->a; } public function getB() { return $this->b; } } class C { private $a; private $b; public function __construct($a) { $this->a = $a; $this->b = $a; } public function getA() { return $this->a; } public function getB() { return $this->b; } } class D extends \ReflectionClass { public function __sleep() { return array('name'); } public function __wakeUp() { $this->__construct($this->name); } } $a = new A('a'); $b = new B('b'); $c = new C('c'); $d = new D('stdClass'); $e = new \ReflectionClass('stdClass'); $serializedA = serialize($a); $serializedB = serialize($b); $serializedC = serialize($c); $serializedD = serialize($d); $serializedE = serialize($e); var_dump($serializedA); var_dump($serializedB); var_dump($serializedC); var_dump($serializedD); var_dump($serializedE); $d = unserialize($serializedD); $d->getMethods(); $d->getProperties();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: B implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/VOIsm on line 35 Fatal error: Uncaught Exception: Serialization of 'D' is not allowed in /in/VOIsm:113 Stack trace: #0 /in/VOIsm(113): serialize(Object(D)) #1 {main} thrown in /in/VOIsm on line 113
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: Serialization of 'D' is not allowed in /in/VOIsm:113 Stack trace: #0 /in/VOIsm(113): serialize(Object(D)) #1 {main} thrown in /in/VOIsm on line 113
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
string(50) "O:1:"A":2:{s:4:"Aa";s:1:"a";s:4:"Ab";s:1:"a";}" string(43) "C:1:"B":30:{a:2:{i:0;s:1:"b";i:1;s:1:"b";}}" string(50) "O:1:"C":2:{s:4:"Ca";s:1:"c";s:4:"Cb";s:1:"c";}" string(38) "O:1:"D":1:{s:4:"name";s:8:"stdClass";}" string(53) "O:15:"ReflectionClass":1:{s:4:"name";s:8:"stdClass";}"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 35 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 91 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 108 string(50) "O:1:"A":2:{s:4:"Aa";s:1:"a";s:4:"Ab";s:1:"a";}" string(43) "C:1:"B":30:{a:2:{i:0;s:1:"b";i:1;s:1:"b";}}" string(50) "O:1:"C":2:{s:4:"Ca";s:1:"c";s:4:"Cb";s:1:"c";}" string(38) "O:1:"D":1:{s:4:"name";s:8:"stdClass";}" string(53) "O:15:"ReflectionClass":1:{s:4:"name";s:8:"stdClass";}"
Output for 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 35 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 91 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 108 Fatal error: Interface 'Serializable' not found in /in/VOIsm on line 35
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 35 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 91 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VOIsm on line 108 Fatal error: Class 'Serializable' not found in /in/VOIsm on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VOIsm on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VOIsm on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/VOIsm on line 5
Process exited with code 255.

preferences:
286.4 ms | 401 KiB | 460 Q