(PHP 4 >= 4.0.4, PHP 5)
gmp_div_qr — Divide numbers and get quotient and remainder
$n
   , resource $d
   [, int $round = GMP_ROUND_ZERO
  ] )
   The function divides n by d.
  
n
     The number being divided.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
d
     
       The number that n is being divided by.
      
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
round
     
       See the  gmp_div_q() function for description
       of the round argument.
      
Returns an array, with the first element being [n/d] (the integer result of the division) and the second being (n - [n/d] * d) (the remainder of the division).
Example #1 Division of GMP numbers
<?php
$a = gmp_init("0x41682179fbf5");
$res = gmp_div_qr($a, "0xDEFE75");
printf("Result is: q - %s, r - %s",
       gmp_strval($res[0]), gmp_strval($res[1]));
?>