(PHP 4, PHP 5, PHP 7)
bcdiv — Divide two arbitrary precision numbers
$dividend
   , string $divisor
   [, int $scale = 0
  ] ) : string
   Divides the dividend by the
   divisor.
  
dividendThe dividend, as a string.
divisorThe divisor, as a string.
scaleThis optional parameter is used to set the number
of digits after the decimal place in the result. If omitted, it will default to the scale set
globally with the bcscale() function, or fallback to 0 if
this has not been set.
   Returns the result of the division as a string, or NULL if 
   divisor is 0.
  
Example #1 bcdiv() example
<?php
echo bcdiv('105', '6.55957', 3);  // 16.007
?>