3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "1,5"; $base = array('1'=>'Bread','5'=>'Butter'); $flipped = array_flip( explode(',', $str)); print_r( $flipped); $intersection = array_intersect_key( $base, $flipped); print_r( $intersection); $replacements = array_values( $intersection); print_r( $replacements);
Output for 5.1.0 - 7.1.0
Array ( [1] => 0 [5] => 1 ) Array ( [1] => Bread [5] => Butter ) Array ( [0] => Bread [1] => Butter )
Output for 5.0.0 - 5.0.5
Array ( [1] => 0 [5] => 1 ) Fatal error: Call to undefined function array_intersect_key() in /in/9o9QA on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Array ( [1] => 0 [5] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/9o9QA on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Array ( [1] => 0 [5] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/9o9QA on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Array ( [1] => 0 [5] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/9o9QA on line 8