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File Content: like.php

<?php

class CurlyMikadofLike
{
    private static $instance;

private function __construct() {
        add_action('wp_ajax_curly_mkdf_like', array($this, 'ajax'));
        add_action('wp_ajax_nopriv_curly_mkdf_like', array($this, 'ajax'));
    }

public static function get_instance() {
        if (null == self::$instance) {
            self::$instance = new self;
        }

return self::$instance;
    }

function ajax() {
	    $likes_id = isset( $_POST['likes_id'] ) && ! empty( $_POST['likes_id'] ) ? sanitize_text_field( $_POST['likes_id'] ) : '';
	    //update
	    if ( !empty( $likes_id ) ) {
		    $post_id = str_replace( 'mkdf-like-', '', $likes_id );
            $post_id = substr($post_id, 0, -4);
		    $type    = isset( $_POST['type'] ) ? sanitize_text_field( $_POST['type'] ) : '';

echo wp_kses($this->like_post($post_id, 'update', $type), array(
                'span' => array(
                    'class' => true,
                    'aria-hidden' => true,
                    'style' => true,
                    'id' => true
                ),
                'i' => array(
                    'class' => true,
                    'style' => true,
                    'id' => true
                )
            ));
        //get
	    } else {
		    $post_id = str_replace( 'mkdf-like-', '', $likes_id );
            $post_id = substr($post_id, 0, -4);
            echo wp_kses($this->like_post($post_id, 'get'), array(
                'span' => array(
                    'class' => true,
                    'aria-hidden' => true,
                    'style' => true,
                    'id' => true
                ),
                'i' => array(
                    'class' => true,
                    'style' => true,
                    'id' => true
                )
            ));
        }

exit;
    }

public function like_post($post_id, $action = 'get', $type = '') {
        if (!is_numeric($post_id)) {
            return;
        }

switch ($action) {
            case 'get':
                $like_count = get_post_meta($post_id, '_mkdf-like', true);

if (isset($_COOKIE['mkdf-like_' . $post_id])) {
 $icon = '';
 } else {
 $icon = '';
 }

if (!$like_count) {
 $like_count = 0;
 add_post_meta($post_id, '_mkdf-like', $like_count, true);
 $icon = '';
 }

$return_value = $icon . "" . esc_attr($like_count) . "";

return $return_value;
                break;

case 'update':
                $like_count = get_post_meta($post_id, '_mkdf-like', true);

if (isset($_COOKIE['mkdf-like_' . $post_id])) {
                    return $like_count;
                }

$like_count++;

update_post_meta($post_id, '_mkdf-like', $like_count);
                setcookie('mkdf-like_' . $post_id, $post_id, time() * 20, '/');

$return_value = "" . esc_attr($like_count) . "";

return $return_value;

break;
            default:
                return '';
                break;
        }
    }

public function add_like() {
        global $post;

$output = $this->like_post($post->ID);

$class = 'mkdf-like';
        $rand_number = rand(100, 999);
        $title = esc_html__('Like this', 'curly');

if (isset($_COOKIE['mkdf-like_' . $post->ID])) {
            $class = 'mkdf-like liked';
            $title = esc_html__('You already like this!', 'curly');
        }

return '<a href="#" class="' . esc_attr($class) . '" id="mkdf-like-' . esc_attr($post->ID) . '-' . $rand_number . '" title="' . esc_attr($title) . '">' . $output . '</a>';
 }
}

if (!function_exists('curly_mkdf_create_like')) {
    function curly_mkdf_create_like() {
        CurlyMikadofLike::get_instance();
    }

add_action('after_setup_theme', 'curly_mkdf_create_like');
}

Name	Size	Permission
assets	---	0755
like-functions.php	786 bytes	0644
like.php	4288 bytes	0644
load.php	150 bytes	0644