3v4l.org

run code in 300+ PHP versions simultaneously
<?php $options = array( 'index1' => 'html', 'index2' => 'html', 'index3' => 'slide', 'index4' => 'tab', 'index5' => array(123), ); $lookfor = array('html', 'slide'); var_export(array_uintersect($options, $lookfor, fn($a, $b) => $a <=> $b));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 'index1' => 'html', 'index2' => 'html', 'index3' => 'slide', )
Output for 4.3.0
Parse error: parse error, unexpected T_DOUBLE_ARROW in /in/qKVsic on line 13
Process exited with code 255.
preferences:
55.37 ms | 406 KiB | 5 Q