WP_Customize_Widgets::parse_widget_setting_id( string $setting_id )

Converts a widget setting ID (option path) to its id_base and number components.

Parameters

$setting_id

(string) (Required) Widget setting ID.

Return

(array|WP_Error) Array containing a widget's id_base and number components, or a WP_Error object.

Source

File: wp-includes/class-wp-customize-widgets.php

public function parse_widget_setting_id( $setting_id ) {
		if ( ! preg_match( '/^(widget_(.+?))(?:\[(\d+)\])?$/', $setting_id, $matches ) ) {
			return new WP_Error( 'widget_setting_invalid_id' );
		}

		$id_base = $matches[2];
		$number  = isset( $matches[3] ) ? (int) $matches[3] : null;

		return compact( 'id_base', 'number' );
	}

Changelog

Version Description
3.9.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_customize_widgets/parse_widget_setting_id