md5

Calculate the md5 hash of a string

Syntax

md5(string $string, bool $binary = false): string

Parameters

string

The string.

binary

If the optional binary is set to true, then the md5 digest is instead returned in raw binary format with a length of 16.

Return

Returns the hash as a 32-character hexadecimal number.

Examples

1 · string

<?

$string = 'Hello';

$return = md5($string);

echo $return;

?>
8b1a9953c4611296a827abf8c47804d7

2 · binary

<?

$string = 'Hello';
$binary = true;

$return = md5($string, $binary);

$unpack = unpack('H*', $return);
$array_pop = array_pop($unpack);

echo $array_pop;

?>
8b1a9953c4611296a827abf8c47804d7

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