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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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bccomp

(PHP 3, PHP 4, PHP 5)

bccomp -- Compare two arbitrary precision numbers

Description

int bccomp ( string left_operand, string right_operand [, int scale] )

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 scale parameter 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

?>
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Another Useful functions:


function.bccomp |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.