extension.php
Table of Contents
Functions
- extension() : string
- Generates the 'extension:extension_a,extension_b,...' rule expression.
Functions
extension()
Generates the 'extension:extension_a,extension_b,...' rule expression.
extension(string ...$values) : string
The field under this rule must end with an extension corresponding to one of those listed.
This is useful for validating a file type for a given path or url. The mimes rule should be used for validating uploads.
If you require strict mime checking you should implement a custom MimeTypeGuesser that can make use of a server side file checker that uses a mime library.
Parameters
- $values : string
-
The allowed file extensions (e.g.
jpg,png).
Return values
string —The compiled extension:<extensions> rule expression.