<?php
$x = array('z'=>1,'a'=>1,'x'=>1,'b'=>1,'y'=>1,'c'=>1);
var_dump(array_keys($x));
- 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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(6) {
[0]=>
string(1) "z"
[1]=>
string(1) "a"
[2]=>
string(1) "x"
[3]=>
string(1) "b"
[4]=>
string(1) "y"
[5]=>
string(1) "c"
}
preferences:
220.49 ms | 406 KiB | 347 Q