<?php
$a = array(
array(
array(1),
array(),
),
array(1),
array(),
array(2),
);
$c = function($a) use (&$c) {
if (is_array($a)) {
$a = array_map($c, $a);
$a = array_filter($a);
}
return $a;
};
var_dump($c($a));
- Output for 5.3.0 - 5.3.29, 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 - 7.1.25, 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(3) {
[0]=>
array(1) {
[0]=>
array(1) {
[0]=>
int(1)
}
}
[1]=>
array(1) {
[0]=>
int(1)
}
[3]=>
array(1) {
[0]=>
int(2)
}
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/VlPCX on line 13
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_FUNCTION in /in/VlPCX on line 13
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/VlPCX on line 13
Process exited with code 255.
preferences:
259.76 ms | 401 KiB | 360 Q