<?php
$arr = array('a' => 123, 'b' => 213, 'c' => 321);
$allowed = array('b', 'c');
print_r(array_intersect_key($arr, array_flip($allowed)));
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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
(
[b] => 213
[c] => 321
)
- Output for 5.0.0 - 5.0.5
- Fatal error: Call to undefined function array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
- Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5
preferences:
258.63 ms | 401 KiB | 424 Q