<?php
$a = array(
'a' => 1,
'b' => 2
);
var_dump($a[null]);
var_dump($a[null]== true);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Warning: Undefined array key "" in /in/iqDWW on line 8
NULL
Warning: Undefined array key "" in /in/iqDWW on line 9
bool(false)
- 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: in /in/iqDWW on line 8
NULL
Notice: Undefined index: in /in/iqDWW on line 9
bool(false)
- Output for 7.3.32 - 7.3.33
- NULL
bool(false)
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Notice: Undefined index: in /in/iqDWW on line 8
NULL
Notice: Undefined index: in /in/iqDWW on line 9
bool(false)
preferences:
234.17 ms | 402 KiB | 383 Q