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run code in 300+ PHP versions simultaneously
<?php class A { public $z = 10; } $a1 = new A(); $z = &$a1->z; var_dump($z); $a2 = clone $a1; $a1 = 11; var_dump($z); $a2 = 12; var_dump($z);
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
int(10) int(10) int(10)
preferences:
198.06 ms | 404 KiB | 331 Q