|
1
2
3
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7
|
function
randomFloat($min
= 0, $max
= 1) {
$rand
= mt_rand();
$lmax
= mt_getrandmax();
return
$min + $rand
/ $lmax * ($max - $min);
}var_dump(randomFloat());<br>var_dump(randomFloat(1, 100000)); |
随机浮点数函数！