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-rw-r--r--engine/lib/sessions.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/engine/lib/sessions.php b/engine/lib/sessions.php
index 5d45cc73d..ae42956a9 100644
--- a/engine/lib/sessions.php
+++ b/engine/lib/sessions.php
@@ -155,9 +155,9 @@ function elgg_authenticate($username, $password) {
* @return bool
* @throws LoginException
*/
-function pam_auth_userpass($credentials = NULL) {
+function pam_auth_userpass(array $credentials = array()) {
- if (!is_array($credentials) || !isset($credentials['username']) || !isset($credentials['password'])) {
+ if (!isset($credentials['username']) || !isset($credentials['password'])) {
return false;
}