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'); } 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)); } public function unserialize($serialized) { list($this->a) = 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; } } $a = new A('a'); $b = new B('b'); $c = new C('c'); $serializedA = serialize($a); $serializedB = serialize($b); $serializedC = serialize($c); var_dump($serializedA); var_dump($serializedB); var_dump($serializedC);
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/pMOEH on line 35 string(31) "O:1:"A":1:{s:4:"Aa";s:1:"a";}" string(31) "C:1:"B":18:{a:1:{i:0;s:1:"b";}}" string(50) "O:1:"C":2:{s:4:"Ca";s:1:"c";s:4:"Cb";s:1:"c";}"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(31) "O:1:"A":1:{s:4:"Aa";s:1:"a";}" string(31) "C:1:"B":18:{a:1:{i:0;s:1:"b";}}" string(50) "O:1:"C":2:{s:4:"Ca";s:1:"c";s:4:"Cb";s:1:"c";}"
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/53dMl on line 35 string(31) "O:1:"A":1:{s:4:"Aa";s:1:"a";}" string(31) "C:1:"B":18:{a:1:{i:0;s:1:"b";}}" string(50) "O:1:"C":2:{s:4:"Ca";s:1:"c";s:4:"Cb";s:1:"c";}"
Output for 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/53dMl on line 35 Fatal error: Interface 'Serializable' not found in /in/53dMl 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/53dMl on line 35 Fatal error: Class 'Serializable' not found in /in/53dMl 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/53dMl on line 5
Process exited with code 255.
Output for 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/53dMl 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/53dMl on line 5
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/pMOEH on line 5
Process exited with code 255.
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