diff --git a/app/xml_cdr/resources/dashboard/missed_calls.php b/app/xml_cdr/resources/dashboard/missed_calls.php
index 130834ff50..bf4fc5e9db 100644
--- a/app/xml_cdr/resources/dashboard/missed_calls.php
+++ b/app/xml_cdr/resources/dashboard/missed_calls.php
@@ -50,7 +50,7 @@
 	$sql .=	"	) \n";
 	$sql .=	"	and (missed_call = true or bridge_uuid is null) ";
 	$sql .=	"	and hangup_cause <> 'LOSE_RACE' ";
-	if (is_array($assigned_extensions) && sizeof($assigned_extensions) != 0) {
+	if (!empty($assigned_extensions)) {
 		$x = 0;
 		foreach ($assigned_extensions as $assigned_extension_uuid => $assigned_extension) {
 			$sql_where_array[] = "extension_uuid = :assigned_extension_uuid_".$x;
@@ -59,7 +59,7 @@
 			$parameters['destination_number_'.$x] = $assigned_extension;
 			$x++;
 		}
-		if (is_array($sql_where_array) && sizeof($sql_where_array) != 0) {
+		if (!empty($sql_where_array)) {
 			$sql .= "and (".implode(' or ', $sql_where_array).") \n";
 		}
 		unset($sql_where_array);
@@ -70,7 +70,7 @@
 	$parameters['domain_uuid'] = $_SESSION['domain_uuid'];
 	if (!isset($database)) { $database = new database; }
 	$result = $database->select($sql, $parameters, 'all');
-	$num_rows = is_array($result) ? sizeof($result) : 0;
+	$num_rows = !empty($result) ? sizeof($result) : 0;
 
 //define row styles
 	$c = 0;
@@ -189,4 +189,4 @@
 	echo "<span class='hud_expander' onclick=\"$('#hud_missed_calls_details').slideToggle('fast');\"><span class='fas fa-ellipsis-h'></span></span>";
 	echo "</div>\n";
 
-?>
\ No newline at end of file
+?>