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run code in 300+ PHP versions simultaneously
<?php class A { private $a = "a"; protected $b = "b"; public $c = "c"; } class B extends A implements Serializable { public function serialize() { $that = $this; return serialize($that); } public function unserialize($serialized) { } private $a = "a"; protected $b = "b"; public $c = "c"; } var_dump(json_encode(new A())); var_dump(json_encode(new B()));
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/ahPIq on line 9 string(9) "{"c":"c"}" string(9) "{"c":"c"}"
Output for 5.2.0 - 5.2.17, 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, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(9) "{"c":"c"}" string(9) "{"c":"c"}"
Output for 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/ahPIq on line 25
Process exited with code 255.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/ahPIq on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/ahPIq on line 9
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/ahPIq on line 4
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/ahPIq on line 4
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/ahPIq on line 4
Process exited with code 255.
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293.8 ms | 401 KiB | 457 Q