public static function extract_fields( $content_shortcode ) {
		$fields  = array();
		$pattern = get_shortcode_regex( array( 'et_pb_contact_field' ) );

		preg_match_all( "/$pattern/", $content_shortcode, $contact_fields, PREG_SET_ORDER );

		if ( empty( $contact_fields ) ) {
			return $fields;
		}

		foreach ( $contact_fields as $contact_field ) {
			$contact_field_attrs = shortcode_parse_atts( $contact_field[3] );
			$field_id            = strtolower( self::array_get( $contact_field_attrs, 'field_id' ) );

			$fields[] = array(
				'field_title'   => self::array_get( $contact_field_attrs, 'field_title', __( 'No title', 'uncanny-automator' ) ),
				'field_type'    => self::array_get( $contact_field_attrs, 'field_type', 'text' ),
				'field_id'      => $field_id,
				'required_mark' => self::array_get( $contact_field_attrs, 'required_mark', 'on' ),
			);
		}

		return $fields;
	}