<?php
$array = array('1', '1a', '2a', '3', '4a');
$array2 = array_map(function($val) { return strpos($val, 'a') ? $val : null; }, $array);
var_dump($array2);
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(5) {
[0]=>
NULL
[1]=>
string(2) "1a"
[2]=>
string(2) "2a"
[3]=>
NULL
[4]=>
string(2) "4a"
}
- 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, expecting ')' in /in/j4O4o on line 5
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, expecting ')' in /in/j4O4o on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/j4O4o on line 5
Process exited with code 255.
preferences:
301.43 ms | 401 KiB | 420 Q