bccomp
(PHP 4, PHP 5)
bccomp — Compare two arbitrary precision numbers
Description
int bccomp
( string
$left_operand
, string $right_operand
[, int $scale = int
] )
Compares the left_operand to the
right_operand and returns the result as an
integer.
Parameters
-
left_operand -
The left operand, as a string.
-
right_operand -
The right operand, as a string.
-
scale -
The optional
scaleparameter is used to set the number of digits after the decimal place which will be used in the comparison.
Return Values
Returns 0 if the two operands are equal, 1 if the
left_operand is larger than the
right_operand, -1 otherwise.
Examples
Example #1 bccomp() example
<?php
echo bccomp('1', '2') . "\n"; // -1
echo bccomp('1.00001', '1', 3); // 0
echo bccomp('1.00001', '1', 5); // 1
?>