Ticket #33982: 33982-numeric.diff

src/wp-includes/functions.php

@@ -3177 +3177 @@
 }
 
 /**
+ * Determines if the variable is a numeric-indexed array.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed $data Variable to check.
+ * @return bool Whether the variable is a list.
+ */
+function wp_is_numeric_array( $data ) {
+        if ( ! is_array( $data ) ) {
+                return false;
+        }
+
+        $keys = array_keys( $data );
+        $string_keys = array_filter( $keys, 'is_string' );
+        return count( $string_keys ) === 0;
+}
+
+/**
  * Filters a list of objects, based on a set of key => value arguments.
  *
  * @since 3.0.0