Ensure ctype_digit is called with a string

Automattic · Sep 20, 2024 · 9538a3e · 9538a3e
1 parent 1829a61
commit 9538a3e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/projects/packages/ip/src/class-utils.php b/projects/packages/ip/src/class-utils.php
@@ -317,7 +317,7 @@ public static function parse_cidr( $cidr ) {
 	 */
 	public static function validate_netmask( $netmask, $ip_version ) {
 		// Ensure that $netmask is an integer
-		if ( ! ctype_digit( $netmask ) ) {
+		if ( ! ctype_digit( (string) $netmask ) ) {
 			return false;
 		}
 		$netmask = (int) $netmask;