Fixed call broadcast and call block php 8.1 errors (#6750)

* Update call_block_edit.php

* Update call_broadcast_send.php

* Update call_broadcast_send.php

app/call_block/call_block_edit.php

@@ -102,7 +102,7 @@
 						}
 						break;
 					case 'add':
-						$xml_cdrs = $_POST['xml_cdrs'];
+						$xml_cdrs = $_POST['xml_cdrs'] ?? null;
 						if (!empty($xml_cdrs) && permission_exists('call_block_add')) {
 							$obj = new call_block;
 							$obj->call_block_direction = $call_block_direction;

app/call_broadcast/call_broadcast_send.php

@@ -47,7 +47,7 @@
 	$text = $language->get();
 
 //set the max execution time to 1 hour
-	ini_set(max_execution_time,3600);
+	ini_set('max_execution_time',3600);
 
 //define the asynchronous command function
 	function cmd_async($cmd) {
@@ -68,12 +68,12 @@ function cmd_async($cmd) {
 	}
 
 //get the http get values and set as php variables
-	$group_name = $_GET["group_name"];
-	$call_broadcast_uuid = $_GET["id"];
-	$user_category = $_GET["user_category"];
-	$gateway = $_GET["gateway"];
-	$phonetype1 = $_GET["phonetype1"];
-	$phonetype2 = $_GET["phonetype2"];
+	$group_name = $_GET["group_name"] ?? '';
+	$call_broadcast_uuid = $_GET["id"] ?? '';
+	$user_category = $_GET["user_category"] ?? '';
+	$gateway = $_GET["gateway"] ?? '';
+	$phonetype1 = $_GET["phonetype1"] ?? '';
+	$phonetype2 = $_GET["phonetype2"] ?? '';
 
 //get the call broadcast details from the database
 	$sql = "select * from v_call_broadcasts ";
@@ -88,7 +88,7 @@ function cmd_async($cmd) {
 		$broadcast_start_time = $row["broadcast_start_time"];
 		$broadcast_timeout = $row["broadcast_timeout"];
 		$broadcast_concurrent_limit = $row["broadcast_concurrent_limit"];
-		$recordingid = $row["recordingid"];
+		$recordingid = $row["recordingid"] ?? '';
 		$broadcast_caller_id_name = $row["broadcast_caller_id_name"];
 		$broadcast_caller_id_number = $row["broadcast_caller_id_number"];
 		$broadcast_destination_type = $row["broadcast_destination_type"];