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PHP: md5() function

Description

The md5() function is used to calculate the md5 hash (the hash as a 32-character hexadecimal number ) of a string.

Version:

(PHP 4 and above)

Syntax:

md5(input_string, raw_output)

Parameter:

Name Description Required /
Optional		 Type
input_string The input string. Required Float
raw_output Refers hex or binary output format, Returns raw 16-bit binary format if raw_output sets TRUE and return 32-bit hex format for setting FALSE (default). Optional Boolean

Return value:

Returns the hash as a 32-character hexadecimal number.

Value Type: String.

Pictorial Presentation

php-string-md5()

Example: 

<?php
$input_string = 'Good Morning';
echo 'Original string : '.$input_string.'<br>';
echo '16 bit binary format : '.md5($input_string, TRUE).'<br>';
echo '32 bit binary format : '.md5($input_string).'<br>';
?>

Output:

Original string : Good Morning
16 bit binary format : r y†”	  du?Û£¿ân
32 bit binary format : 72a079088694099d64753fdba3bfe26e

View the example in the browser

See also

PHP Function Reference

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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