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PHP

Subtract one arbitrary precision number from another


bcsub

(PHP 4, PHP 5)

bcsubSubtract 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.

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().

Return Values

The result of the subtraction, as a string.

Examples

Example #1 bcsub() example

<?php

$a 
'1.234';
$b '5';

echo 
bcsub($a$b);     // -3
echo bcsub($a$b4);  // -3.7660

?>

See Also

  • bcadd() - Add two arbitrary precision numbers



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