unlink
Function • Params and return types changed in PHP 8.0
Deletes a file.
unlink Function synopsis
unlink(string $filename, $context = null): boolParameters
$filename
Typestring
Path to the file.
$context
OptionalDefault valuenull
Return value
Typebool
Returns true on success, false on failure
Changes to the unlink Function
PHP 8.0
- Return type added:
bool - Parameter type added for parameter #1 (
$filename):string - Parameter default value added for position #2 (
$context):null
- unlink($filename, $context)
+ unlink(string $filename, $context = null): boolunlink Function Availability
unlink 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 |