bcsub
(PHP 3, PHP 4, PHP 5)
bcsub -- Subtract one arbitrary precision number from another
Description
string
bcsub ( string left_operand, string right_operand [, int scale] )
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.
Examples
Example 1. bcsub() example <?php
$a = 1.234;
$b = 5;
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?> |
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