hook_file_validate
Definition
hook_file_validate(&$file)
drupal/modules/system/system.api.php, line 1020
Description
Check that files meet a given criteria.
This hook lets modules perform additional validation on files. They're able to report a failure by returning one or more error messages.
@see file_validate()
Parameters
$file The file object being validated.
Return value
An array of error messages. If there are no problems with the file return an empty array.
Related topics
Name | Description |
|---|---|
| Hooks | Allow modules to interact with the Drupal core. |
Code
function hook_file_validate(&$file) {
$errors = array();
if (empty($file->filename)) {
$errors[] = t("The file's name is empty. Please give a name to the file.");
}
if (strlen($file->filename) > 255) {
$errors[] = t("The file's name exceeds the 255 characters limit. Please rename the file and try again.");
}
return $errors;
}