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run code in 150+ php & hhvm versions
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<?php define('PHP_INT_SIZE',4+4*!!(255<<63)); define('PHP_INT_MIN', 255<<(PHP_INT_SIZE*8)-1); define('PHP_INT_MAX',~PHP_INT_MIN); // ceil rounds a number to nearest larger integer // so of course it returns a float var_dump(ceil(1)); // $n is a large integer: $n = PHP_INT_MAX - 10; var_dump($n); // I wonder... $x = ((int) ceil($n)) - $n; var_dump($x); ?>
Output for 7.0.0 - 7.1.0
Notice: Constant PHP_INT_SIZE already defined in /in/vOVrD on line 2 Notice: Constant PHP_INT_MIN already defined in /in/vOVrD on line 3 Notice: Constant PHP_INT_MAX already defined in /in/vOVrD on line 4 float(1) int(9223372036854775797) float(-1.844674407371E+19)
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.6.28
Notice: Constant PHP_INT_SIZE already defined in /in/vOVrD on line 2 Notice: Constant PHP_INT_MAX already defined in /in/vOVrD on line 4 float(1) int(9223372036854775797) float(-1.844674407371E+19)
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
float(1) int(9223372036854775797) float(-1.844674407371E+19)