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<?php class a { function __construct($b) { var_dump($b); } } class b { function __construct() { $a = $GLOBALS['a']; var_dump($a); } } $a = new a(new b);
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/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for 8.0.0 - 8.0.30
Warning: Undefined array key "a" in /in/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: a in /in/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for 7.3.32 - 7.3.33
NULL object(b)#2 (0) { }
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/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
preferences:
273.28 ms | 401 KiB | 400 Q