3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($j=0;$j<20;$j++){ $u="hello ".$u; } $b=explode("\n",$u); for($i=20;$i>=10;$i--){ $ssj=$b[$i]." ".$ssj; } echo $ssj;

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
154.92 ms | 2010 KiB | 9 Q