X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2Fexception%2FPermissionsError.php;h=e31374c2c7e470bfa6be63f71546f7e242667b50;hp=6ad2e37f10746ab0927af454c54e802a239223ab;hb=ce079cf6ad79ca8d3360817f809b219d166f9153;hpb=fb7b3eebeb8de47eb42e8d6ccf204106a2d6d9e4

diff --git a/includes/exception/PermissionsError.php b/includes/exception/PermissionsError.php
index 6ad2e37f10..e31374c2c7 100644
--- a/includes/exception/PermissionsError.php
+++ b/includes/exception/PermissionsError.php
@@ -28,9 +28,20 @@
 class PermissionsError extends ErrorPageError {
 	public $permission, $errors;
 
+	/**
+	 * @param string|null $permission A permission name or null if unknown
+	 * @param array $errors Error message keys or [key, param...] arrays; must not be empty if
+	 *   $permission is null
+	 * @throws \InvalidArgumentException
+	 */
 	public function __construct( $permission, $errors = [] ) {
 		global $wgLang;
 
+		if ( $permission === null && !$errors ) {
+			throw new \InvalidArgumentException( __METHOD__ .
+				': $permission and $errors cannot both be empty' );
+		}
+
 		$this->permission = $permission;
 
 		if ( !count( $errors ) ) {