sha1

Function • Params and return types changed in PHP 8.0

Calculate the sha1 hash of a string.

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

sha1 Function synopsis

sha1(string $string, bool $binary = false): string

Parameters

$string

Typestring

The input string.

$binary

OptionalTypeboolDefault valuefalse

If the optional $binary is set to true, then the sha1 digest is instead returned in raw binary format with a length of 20, otherwise the returned value is a 40-character hexadecimal number.

Return value

Typestring

Returns the sha1 hash as a string.

Changes to the sha1 Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $str to $string
  • Parameter type added for parameter #1 ($string): 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 ($binary): false
- sha1($str, $raw_output)
+ sha1(string $string, bool $binary = false): string

sha1 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