md5_file

FunctionParams and return types changed in PHP 8.0

Calculates the md5 hash of a given file.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

md5_file Function synopsis

md5_file(string $filename, bool $binary = false): string|false

Parameters

$filename

Typestring

The filename

$binary

OptionalTypeboolDefault valuefalse

When true, returns the digest in raw binary format with a length of 16.

Return value

Typestring|false

Returns a string on success, false otherwise.

Changes to the md5_file Function

PHP 8.0

  • Return type added: string|false
  • Parameter type added for parameter #1 ($filename): string
  • Parameter name of parameter #2 changed: $raw_output to $binary
  • Parameter type added for parameter #2 ($binary): bool
  • Parameter default value added for position #2 ($binary): false
- md5_file($filename, $raw_output)
+ md5_file(string $filename, bool $binary = false): string|false

md5_file Function Availability

PHP VersionAvailability
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