3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
(<?php $custom_fields = [ 'foo' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; foreach (array_keys($custom_fields) as $field) { var_dump(array_map(function ($interval) use ($field) { return $field . $interval; }, $time_intervals)); } foreach (array_keys($custom_fields) as $name) { foreach ($time_intervals as $interval_name) { // ; } } var_dump($data); // Result should be array that only contains $data['name'] = 'Chris'
based on XQtX7
Output for 5.4.0 - 7.1.0
(array(6) { [0]=> string(6) "fooday" [1]=> string(8) "foomonth" [2]=> string(7) "fooyear" [3]=> string(7) "foohour" [4]=> string(9) "foominute" [5]=> string(9) "fooperiod" } 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 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/bB5Kg on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/bB5Kg on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bB5Kg on line 2
Process exited with code 255.