3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getFilter() { $default = ['foo' => 'bar']; return [ 'field' => function($in) use ($default) { return $in['foo'] === $default['foo'];} ]; } $filter = getFilter(); $in = [['foo' => 'bar'], ['foo' => 'baz']]; var_dump(array_filter($in, $filter['field']));
Output for 5.6.38, 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(1) { [0]=> array(1) { ["foo"]=> string(3) "bar" } }

preferences:
122.22 ms | 403 KiB | 174 Q