<?php
$langCols = ['en', 'es', 'de'];
array_walk($langCols, function (&$lang) {
$lang = 'description_' . $lang;
});
var_dump($lang, $langCols);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Warning: Undefined variable $lang in /in/cEPkP on line 6
NULL
array(3) {
[0]=>
string(14) "description_en"
[1]=>
string(14) "description_es"
[2]=>
string(14) "description_de"
}
- Output for 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 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Undefined variable: lang in /in/cEPkP on line 6
NULL
array(3) {
[0]=>
string(14) "description_en"
[1]=>
string(14) "description_es"
[2]=>
string(14) "description_de"
}
- Output for 7.3.32 - 7.3.33
- NULL
array(3) {
[0]=>
string(14) "description_en"
[1]=>
string(14) "description_es"
[2]=>
string(14) "description_de"
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/cEPkP on line 2
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 '[' in /in/cEPkP on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/cEPkP on line 2
Process exited with code 255.
preferences:
290.47 ms | 401 KiB | 456 Q