fixup! Log LDAP requests

Author: blizzz

apps/user_ldap/lib/LDAP.php

@@ -349,16 +349,23 @@ protected function invokeLDAPMethod() {
 	 * @param array $args
 	 */
 	private function preFunctionCall($functionName, $args) {
+		$this->curFunc = $functionName;
+		$this->curArgs = $args;
 		if ($this->logFile !== '') {
+			$args = array_reduce($this->curArgs, function (array $carry, $item): array {
+				if (!is_resource($item)) {
+					$carry[] = $item;
+				}
+				return $carry;
+			}, []);
 			file_put_contents(
 				$this->logFile,
-				$this->curFunc . '::' . json_encode($this->curArgs) . "\n",
+				$this->curFunc . '::' . json_encode($args) . "\n",
 				FILE_APPEND
 			);
 		}
 
-		$this->curFunc = $functionName;
-		$this->curArgs = $args;
+
 	}
 
 	/**