w3resource

PHP: sha1() function

Description

The sha1() function is used to calculate the sha1 hash of a string.

Version:

(PHP 4 and above)

Syntax:

sha1(string1, raw_output)

Parameter:

Name Description Required /
Optional		 Type
string1 The input string. Required String
raw_output If TRUE sets raw 20 characters binary format. If FALSE (default) sets raw 40 character hex number format. Optional Boolean

Return value:

Returns the sha1 hash as a string.

Value Type: String.

Example: 

<?php
$str = 'Good Morning';
echo sha1($str).'<br>';
echo sha1($str,TRUE).'<br>';
?>

Output:

06e336231466d0b0573a05cbca7813444afb5b29
ã6#fаW:ËÊxDJû[)

View the example in the browser

See also

PHP Function Reference

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Next: similar_text



PHP: Tips of the Day

PHP: Remove first 4 characters of a string with PHP

You could use the substr function to return a substring starting from the 5th character: 

$str = "The quick brown fox jumps over the lazy dog."
$str2 = substr($str, 4); // "quick brown fox jumps over the lazy dog."

Ref : https://bit.ly/2LJDLQx