gmp_div_q()
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
Divide numbers
说明
gmp_div_q(GMP$a, GMP$b[,int $round= GMP_ROUND_ZERO]): GMP
Divides$aby$band returns the integer result.
参数
- $a
The number being divided.
可以是一个 GMP数据resouce,或一个可以转换为数值的字符串。
- $b
The number that$ais being divided by.
可以是一个 GMP数据resouce,或一个可以转换为数值的字符串。
- $round
The result rounding is defined by the$round, which can have the following values:
GMP_ROUND_ZERO
: The result is truncated towards 0.GMP_ROUND_PLUSINF
: The result is rounded towards+infinity.GMP_ROUND_MINUSINF
: The result is rounded towards-infinity.
可以是一个 GMP数据resouce,或一个可以转换为数值的字符串。
返回值
GMP 数值资源.
范例
gmp_div_q() example
<?php $div1 = gmp_div_q("100", "5"); echo gmp_strval($div1) . "\n"; $div2 = gmp_div_q("1", "3"); echo gmp_strval($div2) . "\n"; $div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF); echo gmp_strval($div3) . "\n"; $div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF); echo gmp_strval($div4) . "\n"; $div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF); echo gmp_strval($div5) . "\n"; ?>
以上例程会输出:
20 0 1 0 -1
注释
Note:This function can also be called as gmp_div().
参见
gmp_div_r()
Remainder of the division of numbersgmp_div_qr()
Divide numbers and get quotient and remainder