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run code in 300+ PHP versions simultaneously
<?php class a { function __construct() { $a = &$this; $a = $GLOBALS['a']; var_dump($this); } } $a = new a();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined global variable $a in /in/fjUsF on line 8 object(a)#1 (0) { }
Output for 8.0.0 - 8.0.30
Warning: Undefined array key "a" in /in/fjUsF on line 8 object(a)#1 (0) { }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: a in /in/fjUsF on line 8 object(a)#1 (0) { }
Output for 7.3.32 - 7.3.33
object(a)#1 (0) { }
Output for 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
Notice: Undefined index: a in /in/fjUsF on line 8 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined index: a in /in/fjUsF on line 8 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
preferences:
214.35 ms | 402 KiB | 316 Q