<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Factory class for creating sitemap buffers.

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*

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* @since 14.6

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Creates the appropriate sitemap buffer based on available PHP extensions.

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*

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* @since 14.6

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*/

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class Jetpack_Sitemap_Buffer_Factory {

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/**

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* Create a new sitemap buffer instance.

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*

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* @since 14.6

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*

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* @param string $type The type of sitemap buffer ('page', 'image', 'video', etc.).

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* @param int $item_limit The maximum number of items in the buffer.

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* @param int $byte_limit The maximum number of bytes in the buffer.

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* @param string $time The initial datetime of the buffer.

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*

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* @return Jetpack_Sitemap_Buffer|null The created buffer or null if type is invalid.

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*/

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public static function create( $type, $item_limit, $byte_limit, $time = '1970-01-01 00:00:00' ) {

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/**

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* Hook to allow for XMLWriter usage.

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*

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* Temporary filter to disallow XMLWriter usage.

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*

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* @since 14.7

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* @since 15.2 Update default to true.

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* @module sitemaps

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*

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* @param bool $use_xmlwriter Whether to use XMLWriter. Current default is true.

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*/

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$use_xmlwriter = apply_filters( 'jetpack_sitemap_use_xmlwriter', true );

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// First try XMLWriter if available

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if ( $use_xmlwriter && class_exists( 'XMLWriter' ) ) {

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$class_name = 'Jetpack_Sitemap_Buffer_' . ucfirst( $type ) . '_XMLWriter';

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if ( class_exists( $class_name ) ) {

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return new $class_name( $item_limit, $byte_limit, $time );

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}

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}

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// Then try DOMDocument

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if ( class_exists( 'DOMDocument' ) ) {

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$class_name = 'Jetpack_Sitemap_Buffer_' . ucfirst( $type );

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if ( class_exists( $class_name ) ) {

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return new $class_name( $item_limit, $byte_limit, $time );

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}

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}

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// Finally fall back to the basic implementation

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$class_name = 'Jetpack_Sitemap_Buffer_' . ucfirst( $type ) . '_Fallback';

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if ( class_exists( $class_name ) ) {

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return new $class_name( $item_limit, $byte_limit, $time );

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}

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return null;

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}

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}

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