3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ERROR | E_PARSE); class Definition implements Serializable { private $value; public function __construct($value) { $this->value = $value; } public function serialize() { return serialize($this->value); } public function unserialize($data) { $this->value = unserialize($value); } } $a=new stdClass(); $d=new Definition($a); var_dump(unserialize(serialize([$d,'This text will appear twice',$a])));
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
bool(false)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33
array(3) { [0]=> object(Definition)#3 (1) { ["value":"Definition":private]=> bool(false) } [1]=> string(27) "This text will appear twice" [2]=> string(27) "This text will appear twice" }

preferences:
179.21 ms | 409 KiB | 5 Q