<?php
function array_filter_(array $data, callable $callback) {
$filtered = [];
foreach ($data as $key => $value) {
if ($callback($value)) {
$filtered[$key] = $data[$key];
}
}
return $filtered;
}
$data = ['foo', 'bar'];
var_dump($data);
$filtered = array_filter_($data, function (&$value) {
$value = (bool) $value;
return true;
});
var_dump($filtered);
- Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(2) {
[0]=>
string(3) "foo"
[1]=>
string(3) "bar"
}
array(2) {
[0]=>
string(3) "foo"
[1]=>
string(3) "bar"
}
preferences:
226.35 ms | 403 KiB | 287 Q