3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'value1' => 'key1', 'value2' => 'key2', 'value3' => 'key3', 'value4' => 'key4', ); //typed it the wrong way and need to flip it var_export(array_flip($array));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array ( 'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3', 'key4' => 'value4', )
preferences:
254.71 ms | 406 KiB | 314 Q