3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 0; print_r(array_map(function ($y) use ($x) { $x++; return $y}, [21,42,234,2345,]));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected '}', expecting ';' in /in/1bYXT on line 4
Process exited with code 255.
preferences:
160.47 ms | 1395 KiB | 36 Q