3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php <?php error_reporting(E_ALL); ini_set('display_errors', '1'); function get_primes7($n) { if ($n < 2) return array(); if ($n == 2) return array(2); $s = range(3, $n, 2); $mroot = sqrt($n); $half = count($s); $i = 0; $m = 3; while ($m <= $mroot) { if ($s[$i]) { $j = (int)(($m*$m - 3) / 2); $s[$j] = 0; while ($j < $half) { $s[$j] = 0; $j += $m; } } $i = $i + 1; $m = 2*$i + 3; } $res = array(2); foreach ($s as $v) { if ($v) { $res[] = $v; } } return $res; } $res = array(); for ($i = 1; $i <= 10; ++$i) { $res = get_primes7(10000); print "Found ".count($res)." prime numbers.\n"; }
based on j430f
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.32
Parse error: syntax error, unexpected '<' in /in/FdRE8 on line 4
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 '<' in /in/FdRE8 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FdRE8 on line 4
Process exited with code 255.