3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $keys = array(1,2,3,6,9); //note that 9 does not exist as key in the $values array $values = array('000', '001', '002', '003', '004', '005', '006', '007'); $new = array_map( function( $key) use( $values) { return $values[ $key ]; }, array_intersect( $keys, array_keys( $values))); var_dump( $new);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> string(3) "001" [1]=> string(3) "002" [2]=> string(3) "003" [3]=> string(3) "006" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/PfTTR on line 4
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 T_FUNCTION, expecting ')' in /in/PfTTR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/PfTTR on line 4
Process exited with code 255.