3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n) { for($i = 1; $i <= $n; $i++) { $n % $i == 0 && $i != $n ? ($factors[]=$i,printf($i)); } array_sum($factors) == $n ? printf(I) : printf(I); } x(28);
Output for 5.3.0 - 5.3.22, 5.4.0 - 5.4.12
Parse error: syntax error, unexpected ',' in /in/V5Hka on line 5
Process exited with code 255.
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178.2 ms | 1395 KiB | 43 Q