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<?php class A implements Serializable{ protected $_a = 'Aze'; function serialize(){ return serialize(array('a' => $this->_a)); } function unserialize($s){ $d = unserialize($s); $_a = $d['a']; } } $a = new A(); $s = serialize($a); var_dump($s); $b = unserialize($b); var_dump($b);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: A 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/laML3 on line 3 string(37) "C:1:"A":24:{a:1:{s:1:"a";s:3:"Aze";}}" Warning: Undefined variable $b in /in/laML3 on line 20 Deprecated: unserialize(): Passing null to parameter #1 ($data) of type string is deprecated in /in/laML3 on line 20 bool(false)
Output for 8.0.0 - 8.0.30
string(37) "C:1:"A":24:{a:1:{s:1:"a";s:3:"Aze";}}" Warning: Undefined variable $b in /in/laML3 on line 20 bool(false)
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
string(37) "C:1:"A":24:{a:1:{s:1:"a";s:3:"Aze";}}" Notice: Undefined variable: b in /in/laML3 on line 20 bool(false)
Output for 7.3.32 - 7.3.33
string(37) "C:1:"A":24:{a:1:{s:1:"a";s:3:"Aze";}}" bool(false)
Output for 5.1.0 - 5.1.6
string(37) "C:1:"A":24:{a:1:{s:1:"a";s:3:"Aze";}}" Notice: Undefined variable: b in /in/laML3 on line 20 Notice: unserialize(): Argument is not a string in /in/laML3 on line 20 bool(false)
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/laML3 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/laML3 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/laML3 on line 3
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 '{' in /in/laML3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/laML3 on line 3
Process exited with code 255.

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