Check file extensions for given field and return array of validity information
Available since version 3.0.167.
Usage
// basic usage
$array = $fieldtypeFile->getValidFileExtensions($field);
// usage with all arguments
$array = $fieldtypeFile->getValidFileExtensions($field, array $validateExtensions = []);Arguments
| Name | Type(s) | Description |
|---|---|---|
field | Field, Inputfield | |
validateExtensions (optional) | array | Extensions to require validation for, or omit for default. |
Return value
arrayReturns associative array with the following:
valid(array): valid extensions, including those that have been whitelisted or are covered by FileValidator modules.invalid(array): extensions that are potentially bad and have not been whitelisted or covered by a FileValidator module.whitelist(array): previously invalid extensions that have been manually whitelisted.validators(array): Associative array of [ 'ext' => [ 'FileValidatorModule' ] ] showing what’s covered by FileValidator modules.
Exceptions
Method can throw exceptions on error:
WireException
FieldtypeFile methods and properties
API reference based on ProcessWire core version 3.0.248