3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Initial Configuration global $x; $i = 0; $tmp = ''; while($i < 10000) { $tmp .= 'a'; ++$i; } $x = array_fill(5, 1000, $tmp); unset($i, $tmp); // Test Source function Test3_1() { global $x; /* The Test */ $t = microtime(true); $size = count($x); for ($i=0; $i<$size; $i++); return (microtime(true) - $t); } // Variable Clean-up function Test3_End() { global $x; unset($x); } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
preferences:
154.4 ms | 404 KiB | 246 Q