readlink

Function • Params and return types changed in PHP 8.0

Returns the target of a symbolic link.

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

readlink Function synopsis

readlink(string $path): string|false

Parameters

$path

Typestring

The symbolic link path.

Return value

Typestring|false

Returns the contents of the symbolic link path or false on error.

Changes to the readlink Function

PHP 8.0

  • Return type added: string|false
  • Parameter name of parameter #1 changed: $filename to $path
  • Parameter type added for parameter #1 ($path): string
- readlink($filename)
+ readlink(string $path): string|false

readlink 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