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run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass; $obj->{'1'} = 'foo'; $arr = (array) $obj; var_dump($arr); var_dump(array_keys($arr)); var_dump(array_key_exists('1', $arr)); var_dump(array_key_exists(1, $arr)); var_dump($arr['1']); var_dump($arr[1]); foreach ($arr as $k => $v) { var_dump($k, $v); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 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 - 8.3.6
array(1) { [1]=> string(3) "foo" } array(1) { [0]=> int(1) } bool(true) bool(true) string(3) "foo" string(3) "foo" int(1) string(3) "foo"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
array(1) { ["1"]=> string(3) "foo" } array(1) { [0]=> string(1) "1" } bool(false) bool(false) Notice: Undefined offset: 1 in /in/WWCuZ on line 9 NULL Notice: Undefined offset: 1 in /in/WWCuZ on line 10 NULL string(1) "1" string(3) "foo"
Output for 5.3.0 - 5.3.29
array(1) { ["1"]=> string(3) "foo" } array(1) { [0]=> string(1) "1" } bool(false) bool(false) Notice: Undefined index: 1 in /in/WWCuZ on line 9 NULL Notice: Undefined offset: 1 in /in/WWCuZ on line 10 NULL string(1) "1" string(3) "foo"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
array(1) { ["1"]=> string(3) "foo" } array(1) { [0]=> string(1) "1" } bool(false) bool(false) Notice: Undefined index: 1 in /in/WWCuZ on line 9 NULL Notice: Undefined offset: 1 in /in/WWCuZ on line 10 NULL string(1) "1" string(3) "foo"
preferences:
291.45 ms | 402 KiB | 390 Q