md5
Function • Params and return types changed in PHP 8.0
Calculate the md5 hash of a string.
md5 Function synopsis
md5(string $string, bool $binary = false): stringParameters
$string
Typestring
The string.
$binary
OptionalTypeboolDefault valuefalse
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 value
Typestring
Returns the hash as a 32-character hexadecimal number.
Changes to the md5 Function
PHP 8.0
- Return type added:
string - Parameter name of parameter #1 changed:
$strto$string - Parameter type added for parameter #1 (
$string):string - Parameter name of parameter #2 changed:
$raw_outputto$binary - Parameter type added for parameter #2 (
$binary):bool - Parameter default value added for position #2 (
$binary):false
- md5($str, $raw_output)
+ md5(string $string, bool $binary = false): stringmd5 Function Availability
md5 Function Availability| PHP Version | Availability |
|---|---|
| PHP 8.6Upcoming Release | Yes |
| PHP 8.5Supported (Latest) | Yes |
| PHP 8.4Supported | Yes |
| PHP 8.3Security-Fixes Only | Yes |
| PHP 8.2Security-Fixes Only | Yes |
| PHP 8.1Unsupported | Yes |
| PHP 8.0Unsupported | Yes |
| PHP 7.4Unsupported | Yes |
| PHP 7.3Unsupported | Yes |
| PHP 7.2Unsupported | Yes |
| PHP 7.1Unsupported | Yes |
| PHP 7.0Unsupported | Yes |
| PHP 5.6Unsupported | Yes |
| PHP 5.5Unsupported | Yes |
| PHP 5.4Unsupported | Yes |
| PHP 5.3Unsupported | Yes |