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sha1
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sha1

(PHP 4 >= 4.3.0, PHP 5)

sha1 -- Calculate the sha1 hash of a string

Description

string sha1 ( string str [, bool raw_output])

Calculates the sha1 hash of str using the US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number. If the optional raw_output is set to TRUE, then the sha1 digest is instead returned in raw binary format with a length of 20.

Notã: The optional raw_output parameter was added in PHP 5.0.0 and defaults to FALSE

Exemplu 1. A sha1() example

<?php
$str = 'apple';
                     
if (sha1($str) === 'd0be2dc421be4fcd0172e5afceea3970e2f3d940') {
    echo "Would you like a green or red apple?";
    exit;
}
?>

See also sha1_file(), crc32(), and md5()

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sha1_fileSussimilar_text

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