3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function iprimes_upto($limit){ for ($i = 2; $i < $limit; $i++) { $primes[$i] = true; }  for ($n = 2; $n < $limit; $n++) { if ($primes[$n]) { for ($i = $n*$n; $i < $limit; $i += $n) { $primes[$i] = false; } } }  return $primes;} echo(iprimes_upto(1000);) ?>
based on PsGbt
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'for' (T_FOR) in /in/vVT1v on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_FOR in /in/vVT1v on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FOR in /in/vVT1v on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vVT1v on line 2
Process exited with code 255.