3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string="M"; $strig=""; $strg=""; $stg=""; $last=array($strig,$strg,$string,$stg); echo Implode($last,""); foreach ($last as $i=>$value){ switch($last[$i]) { case 'k': case 'K': echo "k"; break; case 'm': case 'M': echo "k"; break; default: echo "o"; } } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /in/IBvS5:7 Stack trace: #0 /in/IBvS5(7): implode(Array, '') #1 {main} thrown in /in/IBvS5 on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: implode(): Passing glue string after array is deprecated. Swap the parameters in /in/IBvS5 on line 7 Mooko
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Mooko
preferences:
258.22 ms | 405 KiB | 372 Q