<?php
$a = [
'net_sec1' => 'a',
'net_sec2' => 'b',
'net_sec3' => 'c',
'ss_ks_kw' => 'd',
];
$aa = preg_grep(
'/^net_sec(\d+)$/',
array_flip($a)
);
var_dump($aa);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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) {
["a"]=>
string(8) "net_sec1"
["b"]=>
string(8) "net_sec2"
["c"]=>
string(8) "net_sec3"
}
- 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/j6Hmp 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 '[' in /in/j6Hmp on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/j6Hmp on line 3
Process exited with code 255.
preferences:
233.57 ms | 401 KiB | 313 Q