编辑文件 - ajax-search.php

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路径: /home/h359620/public_html/wp-content/themes/datis/inc/includes/ajax-search.php
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<?php
if (! defined('ABSPATH')) {
    exit;
}

if (! class_exists('Datis_Ajax_Search_Handler')) {

class Datis_Ajax_Search_Handler
    {

/**
         * @var Datis_Ajax_Search_Handler
         */
        private static $instance = null;

/**
         * Private constructor – use get_instance().
         */
        private function __construct()
        {
            $this->init_hooks();
        }

/**
         * Register hooks.
         */
        private function init_hooks()
        {

// AJAX handlers (logged-in + guest).
            add_action('wp_ajax_datis_ajax_search',        array($this, 'handle_ajax'));
            add_action('wp_ajax_nopriv_datis_ajax_search', array($this, 'handle_ajax'));

// Localize script for frontend (Elementor + normal).
            add_action('wp_enqueue_scripts',                          array($this, 'localize_script'), 20);
            add_action('elementor/frontend/before_enqueue_scripts',   array($this, 'localize_script'), 20);
            add_action('elementor/editor/before_enqueue_scripts',     array($this, 'localize_script'), 20);
        }

/**
         * Localize the JS file "datis-ajax-search" with settings and i18n strings.
         * Make sure the script handle "datis-ajax-search" is registered/enqueued somewhere
         * (for example inside your widget).
         */
        public function localize_script()
        {

// If script is not registered/enqueued, do nothing.
            if (! wp_script_is('datis-ajax-search', 'registered') && ! wp_script_is('datis-ajax-search', 'enqueued')) {
                return;
            }

wp_localize_script(
                'datis-ajax-search',
                'DatisAjaxSearch',
                array(
                    'ajax_url' => admin_url('admin-ajax.php'),
                    'nonce'    => wp_create_nonce('datis_ajax_search'),
                    'i18n'     => array(
                        'searching'     => __('Searching…', 'datis'),
                        'error'         => __('An error occurred.', 'datis'),
                        'server_error'  => __('Server connection error.', 'datis'),
                        'start_typing'  => __('Start typing to search.', 'datis'),
                        'no_results'    => __('No results were found.', 'datis'),
                    ),
                )
            );
        }

/**
         * Handle the AJAX search request.
         */
        public function handle_ajax()
        {

// Security.
            if (! isset($_POST['nonce'])) {
                wp_send_json_error(
                    array(
                        'message' => __('Security check failed.', 'datis'),
                    )
                );
            }

if (! wp_verify_nonce(sanitize_text_field(wp_unslash($_POST['nonce'])), 'datis_ajax_search')) {
                wp_send_json_error(
                    array(
                        'message' => __('Security check failed.', 'datis'),
                    )
                );
            }

// داخل handle_ajax()

$keyword   = isset($_POST['keyword']) ? sanitize_text_field(wp_unslash($_POST['keyword'])) : '';
            $per_page  = isset($_POST['per_page']) ? (int) $_POST['per_page'] : 10;

// NEW: get post types as array
            $post_types_raw = isset($_POST['post_types']) ? (array) $_POST['post_types'] : ['post'];
            $post_types     = [];

foreach ($post_types_raw as $pt) {
                $pt = sanitize_key($pt);
                if (! empty($pt)) {
                    $post_types[] = $pt;
                }
            }

if (empty($post_types)) {
                $post_types = ['post'];
            }

if (empty($keyword)) {
                wp_send_json_success(
                    array(
                        'html' => '<p class="search-empty-text">' . esc_html__('Start typing to search.', 'datis') . '</p>',
                    )
                );
            }

$args = array(
                'post_type'      => $post_types,
                'post_status'    => 'publish',
                's'              => $keyword,
                'posts_per_page' => $per_page,
            );

$query = new \WP_Query($args);

ob_start();

if ($query->have_posts()) {
                echo '<ul class="search-results-list-inner">';

while ($query->have_posts()) {
                    $query->the_post();

$title     = get_the_title();
                    $permalink = get_permalink();

echo '<li class="search-result-item">';
                    echo '<a class="search-result-link" href="' . esc_url($permalink) . '">';

echo '<div class="search-result-texts">';
                    echo '<div class="search-result-title">' . esc_html($title) . '</div>';
                    echo '</div>';

if (has_post_thumbnail()) {
                        echo '<div class="search-result-thumb">';
                        echo get_the_post_thumbnail(
                            get_the_ID(),
                            'thumbnail',
                            array(
                                'class' => 'search-result-thumb-img',
                                'alt'   => esc_attr($title),
                            )
                        );
                        echo '</div>';
                    }

echo '</a>';
                    echo '</li>';
                }

echo '</ul>';

wp_reset_postdata();
            } else {

echo '<p class="search-empty-text">' . esc_html__('No results were found.', 'datis') . '</p>';
            }

$html = ob_get_clean();

wp_send_json_success(
                array(
                    'html' => $html,
                )
            );
        }

/**
         * Get singleton instance.
         *
         * @return Datis_Ajax_Search_Handler
         */
        public static function get_instance()
        {
            if (is_null(self::$instance)) {
                self::$instance = new self();
            }
            return self::$instance;
        }
    }

// Boot.
    Datis_Ajax_Search_Handler::get_instance();
}

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