<?php
$array_x = array();
$array_x['a'] = array(1,2,3,4);
$array_x['b'] = array(2,3,4,5);
foreach ($array_x as $k => &$v) {
foreach ($v as $x) {
$x = $x * 2;
}
}
var_dump($array_x);
- Output for 5.2.1 - 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 - 8.3.6
- array(2) {
["a"]=>
array(4) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
}
["b"]=>
&array(4) {
[0]=>
int(2)
[1]=>
int(3)
[2]=>
int(4)
[3]=>
int(5)
}
}
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
- array(2) {
["a"]=>
&array(4) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
}
["b"]=>
&array(4) {
[0]=>
int(2)
[1]=>
int(3)
[2]=>
int(4)
[3]=>
int(5)
}
}
- Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/tVUhn on line 7
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/tVUhn on line 7
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/tVUhn on line 7
Process exited with code 255.
preferences:
323.78 ms | 401 KiB | 460 Q