bcsub

Description

Subtracts the right_operand from the left_operand and returns the result in a string. The optional scale parameter is used to set the number of digits after the decimal place in the result.

Example 1. bcsub() example <?php $a = 1.234; $b = 5; echo bcsub($a, $b); // -3 echo bcsub($a, $b, 4); // -3.7660 ?>

See also bcadd().