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<?php
add_action( 'genesis_meta', 'process_structural_wrap_handler' );
/**
 * Process the structural wrap handler.
 *
 * @since 1.0.0
 *
 * @return void
 */
function process_structural_wrap_handler() {

	/**
	 * Filter the contextual areas to add the "before_genesis_{$context}_wrap" and "after_genesis_{$context}_wrap" events.
	 *
	 * @since 1.0.0
	 *
	 * @return array
	 */
	$structural_wraps = apply_filters( 'add_outside_structural_wrap_context_filter', get_theme_support( 'genesis-structural-wraps' ) );

	if ( ! is_array( $structural_wraps ) || ! $structural_wraps[0] ) {
		return;
	}

	foreach ( (array) $structural_wraps[0] as $context ) {
		add_filter( "genesis_structural_wrap-{$context}", 'do_outside_structural_wrap_filter', 10, 2 );
	}
}

/**
 * Do the before and after Genesis structural {$context} wrap filters.
 *
 * @since 1.0.0
 *
 * @param string $output          HTML output
 * @param string $original_output Original output
 *
 * @return string
 */
function do_outside_structural_wrap_filter( $output, $original_output ) {

	$context = str_replace( 'genesis_structural_wrap-', '', current_filter() );

	if ( 'open' == $original_output ) {

		/**
		 * Fire the "before_genesis_{$context}_wrap" filter event, which will
		 * insert any returned HTML before the contextual area's `<div class="wrap">`.
		 *
		 * @since 1.0.0
		 *
		 * @param string $output  HTML output
		 * @param string $context The contextual area
		 *
		 * @return string
		 */
		$before_wrap_html = apply_filters( "before_genesis_{$context}_wrap", '' );

		return $before_wrap_html . $output;

	} elseif ( 'close' == $original_output ) {

		/**
		 * Fire the "after_genesis_{$context}_wrap" filter event, which will
		 * insert any returned HTML after the contextual area's `</div>`.
		 *
		 * @since 1.0.0
		 *
		 * @param string $output  HTML output
		 * @param string $context The contextual area
		 *
		 * @return string
		 */
		$after_wrap_html = apply_filters( "after_genesis_{$context}_wrap", '' );

		return $output . $after_wrap_html;
	}
}