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bcsub
Subtract one arbitrary precision number from another
(PHP 4, PHP 5)
string bcsub ( string left_operand, string right_operand [, int scale] )
Parameters
- left_operand
The left operand, as a string.
- right_operand
The right operand, as a string.
- scale
This optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().
Examples
Example 344. bcsub() example
<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?>See Also
| bcadd() |