gmp_testbit

(no version information, might be only in CVS)

gmp_testbit -- Tests if a bit is set

Description

bool gmp_testbit ( resource a, int index )

Tests if the specified bit is set.

Parameters

a

A GMP number resource

index

The bit to test

Return Values

Returns TRUE on success or FALSE on failure.

Errors/Exceptions

E_WARNING is issued when index is less than zero.

Examples

Example 1. gmp_testbit() example

<?php
$n
= gmp_init("1000000");
var_dump(gmp_testbit($n, 1));
gmp_setbit($n, 1);
var_dump(gmp_testbit($n, 1));
?>

The above example will output:

bool(false)
bool(true)


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