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<?php $arr = array(); $arr['a'] = 123; $arr['f'] = 345; $arr['b'] = 678; var_dump($arr); var_dump($arr[0]); var_dump($arr[1]); var_dump($arr[2]);
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
array(3) { ["a"]=> int(123) ["f"]=> int(345) ["b"]=> int(678) } Warning: Undefined array key 0 in /in/YvEl2 on line 9 NULL Warning: Undefined array key 1 in /in/YvEl2 on line 10 NULL Warning: Undefined array key 2 in /in/YvEl2 on line 11 NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 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
array(3) { ["a"]=> int(123) ["f"]=> int(345) ["b"]=> int(678) } Notice: Undefined offset: 0 in /in/YvEl2 on line 9 NULL Notice: Undefined offset: 1 in /in/YvEl2 on line 10 NULL Notice: Undefined offset: 2 in /in/YvEl2 on line 11 NULL
Output for 7.3.32 - 7.3.33
array(3) { ["a"]=> int(123) ["f"]=> int(345) ["b"]=> int(678) } NULL NULL NULL
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
array(3) { ["a"]=> int(123) ["f"]=> int(345) ["b"]=> int(678) } Notice: Undefined offset: 0 in /in/YvEl2 on line 9 NULL Notice: Undefined offset: 1 in /in/YvEl2 on line 10 NULL Notice: Undefined offset: 2 in /in/YvEl2 on line 11 NULL
preferences:
279.64 ms | 403 KiB | 375 Q