gmp_random_range

(PHP 5, PHP 7 >= 5.6.3)

gmp_random_range — Random number

说明

GMP gmp_random_range ( GMP $min , GMP $max )

Generate a random number. The number will be between min and max.

min and max can both be negative but min must always be less than max.

参数

min: A GMP number representing the lower bound for the random number
max: A GMP number representing the upper bound for the random number

返回值

A random GMP number.

范例

Example #1 gmp_random_range() example

  <?php
$rand1  =  gmp_random_range ( 0 ,  100 );     // random number between 0 and 100
 $rand2  =  gmp_random_range (- 100 , - 10 );  // random number between -100 and -10

 echo  gmp_strval ( $rand1 ) .  "\n" ;
echo  gmp_strval ( $rand2 ) .  "\n" ;
 ?>

以上例程会输出：

42
-67