<?php
$arr = array(
'této' => array(
'foo' => 'foofoo',
'bar' => 'barbar',
),
'titi' => array(
'foo' => 'foofoo',
'bar' => 'barbar',
),
);
var_dump(array_keys($arr));
var_dump(in_array('této', $arr));
var_dump(in_array('této', array_keys($arr)));
- 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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.7
- array(2) {
[0]=>
string(5) "této"
[1]=>
string(4) "titi"
}
bool(false)
bool(true)
preferences:
305.33 ms | 406 KiB | 457 Q