3v4l.org

run code in 300+ PHP versions simultaneously
<?php $custom_fields = [ 'foo' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; var_dump(array_map(null, array_keys($custom_fields), $time_intervals)); foreach (array_keys($custom_fields) as $name) { foreach ($time_intervals as $interval_name) { // ; } } var_dump($data); // Result should be array that only contains $data['name'] = 'Chris'
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(6) { [0]=> array(2) { [0]=> string(3) "foo" [1]=> string(3) "day" } [1]=> array(2) { [0]=> NULL [1]=> string(5) "month" } [2]=> array(2) { [0]=> NULL [1]=> string(4) "year" } [3]=> array(2) { [0]=> NULL [1]=> string(4) "hour" } [4]=> array(2) { [0]=> NULL [1]=> string(6) "minute" } [5]=> array(2) { [0]=> NULL [1]=> string(6) "period" } } array(3) { ["fooday"]=> string(2) "17" ["foomonth"]=> string(5) "March" ["name"]=> string(5) "Chris" }
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/q5Rh2 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/q5Rh2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/q5Rh2 on line 2
Process exited with code 255.

preferences:
210.29 ms | 401 KiB | 313 Q