3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n) { for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i "; } } return (array_sum($factors) == $n) ? echo "[Perfect]" : echo "[Imperfect]"; } x(42);
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected 'echo' (T_ECHO) in VFapf on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_ECHO in VFapf on line 9
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ECHO in VFapf on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in VFapf on line 9
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_ECHO in /in/VFapf on line 9
Process exited with code 255.
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