3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array( 'station_type', 'max', 'starts_with', 'lang', 'transpost_type' ); $b = array('a' => 1, 'b' => 2, 'c' => 3); var_dump(count(array_diff_key($a, $b)));
Output for 5.1.0 - 7.1.0
int(5)
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_diff_key() in /in/k6o79 on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_diff_key() in /in/k6o79 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_diff_key() in /in/k6o79 on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_diff_key() in /in/k6o79 on line 10