close
例子
<?php
echo mt_getrandmax();
?>
輸出類似:
3147483649
<?php
function randomFloat($min = 0, $max = 1) {
return $min + mt_rand() / mt_getrandmax() * ($max - $min);
}
var_dump(randomFloat());
var_dump(randomFloat(2, 20));
?>
The above example will output something similar to:
float(0.91601131712832)
float(16.511210331931)
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