wp-includes/class-wp-plugin-dependencies.php:259Determines whether the plugin has a circular dependency.
$plugin_filestringbool public static function has_circular_dependency( $plugin_file ) { if ( ! is_array( self::$circular_dependencies_slugs ) ) { self::get_circular_dependencies(); } if ( ! empty( self::$circular_dependencies_slugs ) ) { $slug = self::convert_to_slug( $plugin_file ); if ( in_array( $slug, self::$circular_dependencies_slugs, true ) ) { return true; } } return false; }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-plugin-dependencies.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.