<?php

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/**

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* The Third Party integration with FacetWP.

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*

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* @since 2.9.9

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* @package LiteSpeed

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* @subpackage LiteSpeed_Cache\Thirdparty

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*/

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namespace LiteSpeed\Thirdparty;

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defined('WPINC') || exit();

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/**

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* FacetWP compatibility hooks for LiteSpeed Cache.

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*/

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class Facetwp {

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/**

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* Detect FacetWP context and adjust ESI params when FacetWP returns buffered HTML via the "wp" template.

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*

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* Note: We only *read* POST data here to detect an AJAX context; no privileged action is performed.

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* Data is unslashed and sanitized before comparison.

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*

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* @since 2.9.9

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* @return void

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*/

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public static function detect() {

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if ( ! defined( 'FACETWP_VERSION' ) ) {

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return;

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}

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/**

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* For Facetwp, if the template is "wp", return the buffered HTML

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* So marked as rest call to put is_json to ESI

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*/

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// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reading POST to detect FacetWP AJAX; no state change or sensitive action performed.

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if ( ! empty( $_POST['action'] ) && ! empty( $_POST['data'] ) && ! empty( $_POST['data']['template'] ) && 'wp' === $_POST['data']['template'] ) {

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add_filter( 'litespeed_esi_params', __CLASS__ . '::set_is_json' );

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}

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}

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/**

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* Mark ESI response as JSON for FacetWP's "wp" template refreshes.

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*

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* @since 2.9.9

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* @param array $params Existing ESI params.

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* @return array Modified ESI params.

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*/

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public static function set_is_json( $params ) {

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$params['is_json'] = 1;

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return $params;

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}

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}

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