<?php
$afr = function(&$v) use (&$afr)
{
if (is_array($v))
{
foreach($v as $key=>$val)
{
if (empty($val)) unset($v[$key]);
if (is_array($val)) $v[$key] = $afr($val);
}
}
return $v;
};
$a = ['',['',['a', 'b'],'c'],'d'];
$b = $a;
var_dump($afr($b));
?><hr><?php
var_dump($a);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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(2) {
[1]=>
array(2) {
[1]=>
array(2) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
}
[2]=>
string(1) "c"
}
[2]=>
string(1) "d"
}
<hr>array(3) {
[0]=>
string(0) ""
[1]=>
array(3) {
[0]=>
string(0) ""
[1]=>
array(2) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
}
[2]=>
string(1) "c"
}
[2]=>
string(1) "d"
}
- Output for 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/VChHV on line 16
Process exited with code 255. - 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/VChHV on line 3
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/VChHV on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/VChHV on line 3
Process exited with code 255.
preferences:
242.72 ms | 401 KiB | 373 Q