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<?php error_reporting(E_ERROR | E_WARNING | E_PARSE); class Definition implements Serializable { private $value; public function __construct($value) { $this->value = $value; } public function serialize() { echo serialize([$this->value])."\n"; return serialize($this->value); } public function unserialize($data) { $this->value = unserialize($data); } } $a=new stdClass(); $d=new Definition($a); var_dump(unserialize(serialize([$d,'This text will appear twice!',$a])));
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
a:1:{i:0;O:8:"stdClass":0:{}} bool(false)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
a:1:{i:0;O:8:"stdClass":0:{}} array(3) { [0]=> object(Definition)#3 (1) { ["value":"Definition":private]=> bool(false) } [1]=> string(28) "This text will appear twice!" [2]=> string(28) "This text will appear twice!" }

preferences:
41.64 ms | 462 KiB | 5 Q