Generating a Unique Identifier : sha1 « Utility Function « PHP

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PHP » Utility Function » sha1

Generating a Unique Identifier


 

<?php

function create_unique() {



    $data = $_SERVER['HTTP_USER_AGENT'] . $_SERVER['REMOTE_ADDR'] . time() . rand();



    return sha1($data);

}



$newhash = create_unique();

echo "<pre>{$newhash}</pre>";

?>

Related examples in the same category

1.	Comparing the output of md5 to that of sha1
2.	string sha1 ( string str [, bool raw_output] )

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