gmp_div_q

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_div_q — Divide numbers

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gmp_div_q ( GMP $a , GMP $b [, int $round = GMP_ROUND_ZERO ] ) : GMP

Divides a by b and returns the integer result.

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a

The number being divided.

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b

The number that a is being divided by.

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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.

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GMP 锟斤拷值锟斤拷源.

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Example #1 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";
?>

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20
0
1
0
-1

注锟斤拷

Note:

This function can also be called as gmp_div().

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