3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function isEqual($a, $b, $epsilon = 1e-10) { $a = floatval($a); $b = floatval($b); /*if ( $a == $b ) // handles infinites return true;*/ if ( $a * $b == 0 ) // a or b or both are zero return abs($a - $b) < ( $epsilon * $epsilon ); return (abs($a - $b) / (abs($a) + abs($b))) < $epsilon; } for ( $i = 0; $i < 10000; $i++ ) isEqual(0.000001, 0.0000011);
Output for 5.2.14 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0