Ticket #37928: 37928.2.diff

src/wp-includes/option.php

@@ -412 +412 @@
 
         $value = sanitize_option( $option, $value );
 
+        /**
+         * Filters whether to short-circuit the process of adding an option.
+         *
+         * Returning a value other than null will short-circuit the process, and the value will be
+         * returned cast as a bool.
+         *
+         * @since 4.7.0
+         *
+         * @param null   $skip   Whether to short-circuit the process. Default null.
+         * @param string $option Name of the option to add.
+         * @param mixed  $value  Option value.
+         */
+        $skip = apply_filters( 'pre_add_option', null, $option, $value );
+        if ( ! is_null( $skip ) ) {
+                return (bool) $skip;
+        }
+
         // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
         $notoptions = wp_cache_get( 'notoptions', 'options' );
         if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) )