@ 2014-06-09T16:34:59Z <?php
// 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);
?>
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 float(1)
int(9223372036854775797)
float(-1.8446744073709552E+19)
Output for 4.4.0 - 4.4.9 , 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 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.12 - 7.3.33 , 7.4.0 - 7.4.33 float(1)
int(9223372036854775797)
float(-1.844674407371E+19)
Output for 4.3.0 - 4.3.11 , 5.0.0 - 5.0.4 float(1)
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/Tvnj9 on line 8
int(-10)
int(0)
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212.69 ms | 402 KiB | 313 Q