ankitpokhrel /
Dynamic-Featured-Image
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| 1 | <?php |
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| 2 | /** |
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| 3 | * Plugin Name: Dynamic Featured Image |
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| 4 | * Plugin URI: http://wordpress.org/plugins/dynamic-featured-image/ |
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| 5 | * Description: Dynamically adds multiple featured image or post thumbnail functionality to your posts, pages and custom post types. |
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| 6 | * Version: 3.6.1 |
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| 7 | * Author: Ankit Pokhrel |
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| 8 | * Author URI: https://ankitpokhrel.com |
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| 9 | * License: GPL2 or later |
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| 10 | * License URI: http://www.gnu.org/licenses/gpl-2.0.html |
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| 11 | * Text Domain: dynamic-featured-image |
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| 12 | * Domain Path: /languages |
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| 13 | * GitHub Plugin URI: https://github.com/ankitpokhrel/Dynamic-Featured-Image |
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| 14 | * |
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| 15 | * @package dynamic-featured-image |
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| 16 | * |
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| 17 | * Copyright (C) 2013 Ankit Pokhrel <[email protected], https://ankitpokhrel.com> |
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| 18 | * |
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| 19 | * This program is free software; you can redistribute it and/or modify |
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| 20 | * it under the terms of the GNU General Public License as published by |
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| 21 | * the Free Software Foundation; either version 3 of the License, or |
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| 22 | * (at your option) any later version. |
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| 23 | * |
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| 24 | * This program is distributed in the hope that it will be useful, |
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| 25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 27 | * GNU General Public License for more details. |
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| 28 | * |
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| 29 | * You should have received a copy of the GNU General Public License |
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| 30 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 31 | */ |
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| 32 | |||
| 33 | // Avoid direct calls to this file. |
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| 34 | if ( ! defined( 'ABSPATH' ) ) { |
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| 35 | header( 'Status: 403 Forbidden' ); |
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| 36 | header( 'HTTP/1.1 403 Forbidden' ); |
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| 37 | exit(); |
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| 38 | } |
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| 39 | |||
| 40 | /** |
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| 41 | * Dynamic Featured Image plugin main class. |
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| 42 | * |
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| 43 | * @author Ankit Pokhrel <[email protected]> |
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| 44 | * @version 3.0.1 |
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| 45 | */ |
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| 46 | class Dynamic_Featured_Image { |
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| 47 | /** |
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| 48 | * Current version of the plugin. |
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| 49 | * |
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| 50 | * @since 3.0.0 |
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| 51 | */ |
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| 52 | const VERSION = '3.6.1'; |
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| 53 | |||
| 54 | /** |
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| 55 | * Text domain. |
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| 56 | * |
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| 57 | * @since 3.6.0 |
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| 58 | */ |
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| 59 | const TEXT_DOMAIN = 'dynamic-featured-image'; |
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| 60 | |||
| 61 | /** |
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| 62 | * Documentation Link. |
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| 63 | * |
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| 64 | * @since 3.6.0 |
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| 65 | */ |
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| 66 | const WIKI_LINK = 'https://github.com/ankitpokhrel/Dynamic-Featured-Image/wiki/'; |
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| 67 | |||
| 68 | /** |
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| 69 | * Upgrade Link. |
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| 70 | * |
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| 71 | * @since 3.6.0 |
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| 72 | */ |
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| 73 | const UPGRADE_LINK = 'https://ankitpokhrel.com/explore/dynamic-featured-image-pro/'; |
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| 74 | |||
| 75 | /** |
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| 76 | * Image upload directory. |
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| 77 | * |
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| 78 | * @var $upload_dir string |
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| 79 | */ |
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| 80 | private $upload_dir; |
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| 81 | |||
| 82 | /** |
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| 83 | * Image upload URL. |
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| 84 | * |
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| 85 | * @var $upload_url string |
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| 86 | */ |
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| 87 | private $upload_url; |
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| 88 | |||
| 89 | /** |
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| 90 | * Database object. |
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| 91 | * |
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| 92 | * @var $db wpdb |
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| 93 | */ |
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| 94 | private $db; |
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| 95 | |||
| 96 | /** |
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| 97 | * Title for dfi metabox. |
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| 98 | * |
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| 99 | * @var $metabox_title string |
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| 100 | */ |
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| 101 | protected $metabox_title; |
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| 102 | |||
| 103 | /** |
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| 104 | * Users post type filter for dfi metabox. |
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| 105 | * |
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| 106 | * @var $user_filter array |
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| 107 | */ |
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| 108 | protected $user_filter; |
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| 109 | |||
| 110 | /** |
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| 111 | * Constructor. Hooks all interactions to initialize the class. |
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| 112 | * |
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| 113 | * @since 1.0.0 |
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| 114 | * @access public |
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| 115 | * @global object $wpdb |
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| 116 | * |
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| 117 | * @see add_action() |
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| 118 | */ |
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| 119 | 1 | public function __construct() { |
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| 120 | // plugin update warning. |
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| 121 | 1 | add_action( 'in_plugin_update_message-' . plugin_basename( __FILE__ ), array( $this, 'update_notice' ) ); |
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| 122 | |||
| 123 | 1 | add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) ); |
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| 124 | 1 | add_action( 'add_meta_boxes', array( $this, 'initialize_featured_box' ) ); |
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| 125 | 1 | add_action( 'save_post', array( $this, 'save_meta' ) ); |
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| 126 | 1 | add_action( 'plugins_loaded', array( $this, 'load_plugin_textdomain' ) ); |
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| 127 | |||
| 128 | // handle ajax request. |
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| 129 | 1 | add_action( 'wp_ajax_dfiMetaBox_callback', array( $this, 'ajax_callback' ) ); |
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| 130 | |||
| 131 | // add action links. |
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| 132 | 1 | add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'dfi_action_links' ) ); |
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| 133 | |||
| 134 | // media uploader custom fields. |
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| 135 | 1 | add_filter( 'attachment_fields_to_edit', array( $this, 'media_attachment_custom_fields' ), 10, 2 ); |
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| 136 | 1 | add_filter( 'attachment_fields_to_save', array( $this, 'media_attachment_custom_fields_save' ), 10, 2 ); |
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| 137 | |||
| 138 | // get the site protocol. |
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| 139 | 1 | $protocol = $this->get_protocol(); |
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| 140 | |||
| 141 | 1 | $this->upload_dir = wp_upload_dir(); |
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| 142 | 1 | $this->upload_url = preg_replace( '#^https?://#', '', $this->upload_dir['baseurl'] ); |
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| 143 | |||
| 144 | // add protocol to the upload url. |
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| 145 | 1 | $this->upload_url = $protocol . $this->upload_url; |
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| 146 | |||
| 147 | // post type filter added by user. |
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| 148 | 1 | $this->user_filter = array(); |
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| 149 | |||
| 150 | 1 | global $wpdb; |
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| 151 | 1 | $this->db = $wpdb; |
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| 152 | 1 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * Return site protocol. |
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| 156 | * |
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| 157 | * @since 3.5.1 |
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| 158 | * @access public |
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| 159 | * |
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| 160 | * @return string |
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| 161 | */ |
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| 162 | private function get_protocol() { |
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| 163 | return is_ssl() ? 'https://' : 'http://'; |
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| 164 | } |
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| 165 | |||
| 166 | /** |
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| 167 | * Add required admin scripts. |
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| 168 | * |
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| 169 | * @since 1.0.0 |
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| 170 | * @access public |
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| 171 | * |
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| 172 | * @see wp_enqueue_style() |
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| 173 | * @see wp_register_script() |
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| 174 | * @see wp_enqueue_script() |
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| 175 | * |
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| 176 | * @return void |
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| 177 | */ |
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| 178 | 1 | public function enqueue_admin_scripts() { |
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| 179 | // enqueue styles. |
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| 180 | 1 | wp_enqueue_style( 'style-dfi', plugins_url( '/css/style-dfi.css', __FILE__ ), array(), self::VERSION ); |
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| 181 | |||
| 182 | // register script. |
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| 183 | 1 | wp_register_script( 'scripts-dfi', plugins_url( '/js/script-dfi.js', __FILE__ ), array( 'jquery' ), self::VERSION ); |
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| 184 | |||
| 185 | // localize the script with required data. |
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| 186 | 1 | wp_localize_script( |
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| 187 | 1 | 'scripts-dfi', |
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| 188 | 1 | 'DFI_SPECIFIC', |
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| 189 | array( |
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| 190 | 1 | 'upload_url' => $this->upload_url, |
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| 191 | 1 | 'metabox_title' => __( $this->metabox_title, self::TEXT_DOMAIN ), |
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| 192 | 1 | 'mediaSelector_title' => __( 'Dynamic Featured Image - Media Selector', self::TEXT_DOMAIN ), |
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| 193 | 1 | 'mediaSelector_buttonText' => __( 'Set Featured Image', self::TEXT_DOMAIN ), |
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| 194 | 1 | 'ajax_nonce' => wp_create_nonce( plugin_basename( __FILE__ ) ), |
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| 195 | ) |
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| 196 | 1 | ); |
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| 197 | |||
| 198 | // enqueue scripts. |
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| 199 | 1 | wp_enqueue_script( 'scripts-dfi' ); |
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| 200 | 1 | } |
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| 201 | |||
| 202 | /** |
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| 203 | * Add upgrade link. |
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| 204 | * |
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| 205 | * @access public |
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| 206 | * @since 3.5.1 |
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| 207 | * @action plugin_action_links |
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| 208 | * |
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| 209 | * @codeCoverageIgnore |
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| 210 | * |
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| 211 | * @param array $links Action links. |
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| 212 | * |
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| 213 | * @return array |
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| 214 | */ |
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| 215 | public function dfi_action_links( $links ) { |
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| 216 | $upgrade_link = array( |
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| 217 | '<a href="' . self::UPGRADE_LINK . '" target="_blank">Upgrade to Premium</a>' |
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| 218 | ); |
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| 219 | |||
| 220 | return array_merge( $links, $upgrade_link ); |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 224 | * Add featured meta boxes dynamically. |
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| 225 | * |
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| 226 | * @since 1.0.0 |
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| 227 | * @access public |
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| 228 | * @global object $post |
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| 229 | * |
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| 230 | * @see get_post_meta() |
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| 231 | * @see get_post_types() |
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| 232 | * @see add_meta_box() |
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| 233 | * @see add_filter() |
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| 234 | * |
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| 235 | * @return void |
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| 236 | */ |
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| 237 | public function initialize_featured_box() { |
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| 238 | global $post; |
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| 239 | |||
| 240 | // make metabox title dynamic. |
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| 241 | $this->metabox_title = apply_filters( 'dfi_set_metabox_title', __( 'Featured Image', self::TEXT_DOMAIN ) ); |
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| 242 | |||
| 243 | $featured_data = get_post_meta( $post->ID, 'dfiFeatured', true ); |
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| 244 | $total_featured = count( $featured_data ); |
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| 245 | |||
| 246 | $default_filter = array( 'attachment', 'revision', 'nav_menu_item' ); |
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| 247 | $this->user_filter = apply_filters( 'dfi_post_type_user_filter', $this->user_filter ); |
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| 248 | |||
| 249 | $post_types = array_diff( get_post_types(), array_merge( $default_filter, $this->user_filter ) ); |
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| 250 | $post_types = apply_filters( 'dfi_post_types', $post_types ); |
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| 251 | |||
| 252 | if ( ! empty( $featured_data ) && $total_featured >= 1 ) { |
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| 253 | $i = 2; |
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| 254 | foreach ( $featured_data as $featured ) { |
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| 255 | $this->dfi_add_meta_box( $post_types, $featured, $i++ ); |
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| 256 | } |
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| 257 | } else { |
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| 258 | $this->dfi_add_meta_box( $post_types ); |
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| 259 | } |
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| 260 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * Translates more than one digit number digit by digit. |
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| 264 | * |
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| 265 | * @param int $number Integer to be translated. |
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| 266 | * |
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| 267 | * @return string Translated number |
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| 268 | */ |
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| 269 | 2 | protected function get_number_translation( $number ) { |
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| 270 | 2 | if ( $number <= 9 ) { |
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| 271 | 1 | return __( $number, self::TEXT_DOMAIN ); |
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| 272 | } else { |
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| 273 | 1 | $pieces = str_split( $number, 1 ); |
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| 274 | 1 | $buffer = ''; |
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| 275 | 1 | foreach ( $pieces as $piece ) { |
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| 276 | 1 | $buffer .= __( $piece, self::TEXT_DOMAIN ); |
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| 277 | 1 | } |
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| 278 | |||
| 279 | 1 | return $buffer; |
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| 280 | } |
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| 281 | } |
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| 282 | |||
| 283 | /** |
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| 284 | * Adds meta boxes. |
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| 285 | * |
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| 286 | * @param array $post_types Post types to show featured image box. |
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| 287 | * @param object $featured Callback arguments. |
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| 288 | * @param int $i Index of the featured image. |
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| 289 | * |
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| 290 | * @return void |
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| 291 | */ |
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| 292 | private function dfi_add_meta_box( $post_types, $featured = null, $i = null ) { |
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| 293 | if ( ! is_null( $i ) ) { |
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| 294 | foreach ( $post_types as $type ) { |
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| 295 | add_meta_box( |
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| 296 | 'dfiFeaturedMetaBox-' . $i, |
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| 297 | __( $this->metabox_title, self::TEXT_DOMAIN ) . ' ' . $this->get_number_translation( $i ), |
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| 298 | array( $this, 'featured_meta_box' ), |
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| 299 | $type, |
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| 300 | 'side', |
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| 301 | 'low', |
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| 302 | array( $featured, $i + 1 ) |
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| 303 | ); |
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| 304 | |||
| 305 | add_filter( "postbox_classes_{$type}_dfiFeaturedMetaBox-" . $i, array( $this, 'add_metabox_classes' ) ); |
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| 306 | } |
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| 307 | } else { |
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| 308 | foreach ( $post_types as $type ) { |
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| 309 | add_meta_box( |
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| 310 | 'dfiFeaturedMetaBox', |
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| 311 | __( $this->metabox_title, self::TEXT_DOMAIN ) . ' ' . __( 2, self::TEXT_DOMAIN ), |
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| 312 | array( $this, 'featured_meta_box' ), |
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| 313 | $type, |
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| 314 | 'side', |
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| 315 | 'low', |
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| 316 | array( null, null ) |
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| 317 | ); |
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| 318 | |||
| 319 | add_filter( "postbox_classes_{$type}_dfiFeaturedMetaBox", array( $this, 'add_metabox_classes' ) ); |
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| 320 | } |
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| 321 | } |
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| 322 | } |
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| 323 | |||
| 324 | /** |
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| 325 | * Separate thumb and full image url from given URL string. |
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| 326 | * |
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| 327 | * @since 3.3.1 |
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| 328 | * |
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| 329 | * @param string $url_string Url string. |
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| 330 | * @param string $state Thumb or full. |
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| 331 | * |
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| 332 | * @return string|null |
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| 333 | */ |
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| 334 | 3 | private function separate( $url_string, $state = 'thumb' ) { |
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| 335 | 3 | $image_piece = explode( ',', $url_string ); |
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| 336 | |||
| 337 | 3 | if ( 'thumb' === $state ) { |
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| 338 | 2 | return isset( $image_piece[0] ) ? $image_piece[0] : null; |
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| 339 | } |
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| 340 | |||
| 341 | 3 | return isset( $image_piece[1] ) ? $image_piece[1] : null; |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * Create a nonce field. |
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| 346 | * |
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| 347 | * @since 3.5.0 |
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| 348 | * |
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| 349 | * @see wp_nonce_field() |
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| 350 | * @see plugin_basename() |
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| 351 | * |
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| 352 | * @codeCoverageIgnore |
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| 353 | * |
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| 354 | * @param string $key Nonce key. |
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| 355 | * |
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| 356 | * @return string |
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| 357 | */ |
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| 358 | protected function nonce_field( $key ) { |
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| 359 | return wp_nonce_field( plugin_basename( __FILE__ ), $key, true, false ); |
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| 360 | } |
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| 361 | |||
| 362 | /** |
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| 363 | * Featured meta box as seen in the admin. |
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| 364 | * |
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| 365 | * @since 1.0.0 |
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| 366 | * @access public |
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| 367 | * |
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| 368 | * @param object $post Global post object. |
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| 369 | * @param array $featured Array containing featured image count. |
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| 370 | * |
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| 371 | * @throws Exception Medium size image not found. |
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| 372 | * @return void |
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| 373 | */ |
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| 374 | 2 | public function featured_meta_box( $post, $featured ) { |
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| 375 | 2 | $featured_img = $featured['args'][0]; |
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| 376 | 2 | $featured_id = is_null( $featured['args'][1] ) ? 2 : --$featured['args'][1]; |
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| 377 | 2 | $featured_img_full = $featured_img; |
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| 378 | 2 | $featured_img_trimmed = $featured_img; |
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| 379 | |||
| 380 | 2 | if ( ! is_null( $featured_img ) ) { |
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| 381 | 2 | $featured_img_trimmed = $this->separate( $featured_img ); |
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| 382 | 2 | $featured_img_full = $this->separate( $featured_img, 'full' ); |
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| 383 | 2 | } |
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| 384 | |||
| 385 | 2 | $thumbnail = $this->get_image_thumb( $this->upload_url . $featured_img_full, 'medium' ); |
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| 386 | 2 | if ( empty( $thumbnail ) ) { |
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| 387 | // since medium sized thumbnail image is missing, |
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| 388 | // let's set full image url as thumbnail. |
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| 389 | 2 | $thumbnail = $featured_img_full; |
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| 390 | 2 | } |
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| 391 | |||
| 392 | // Add a nonce field. |
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| 393 | 2 | echo $this->nonce_field( 'dfi_fimageplug-' . $featured_id ); // WPCS: XSS ok. |
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| 394 | 2 | echo $this->get_featured_box( $featured_img_trimmed, $featured_img, $featured_id, $thumbnail, $post->ID ); // WPCS: XSS ok. |
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| 395 | 2 | } |
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| 396 | |||
| 397 | /** |
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| 398 | * Returns featured box html content. |
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| 399 | * |
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| 400 | * @since 3.1.0 |
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| 401 | * @access private |
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| 402 | * |
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| 403 | * @param string $featured_img_trimmed Medium sized image. |
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| 404 | * @param string $featured_img Full sized image. |
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| 405 | * @param string $featured_id Attachment Id. |
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| 406 | * @param string $thumbnail Thumb sized image. |
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| 407 | * @param int $post_id Post id. |
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| 408 | * |
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| 409 | * @return string Html content |
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| 410 | */ |
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| 411 | 2 | private function get_featured_box( $featured_img_trimmed, $featured_img, $featured_id, $thumbnail, $post_id ) { |
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| 412 | 2 | $has_featured_image = ! empty( $featured_img_trimmed ) ? 'hasFeaturedImage' : ''; |
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| 413 | 2 | $thumbnail = ! is_null( $thumbnail ) ? $thumbnail : ''; |
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| 414 | 2 | $dfi_empty = is_null( $featured_img_trimmed ) ? 'dfiImgEmpty' : ''; |
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| 415 | |||
| 416 | 2 | return "<a href='javascript:void(0)' class='dfiFeaturedImage {$has_featured_image}' title='" . __( 'Set Featured Image', self::TEXT_DOMAIN ) . "' data-post-id='" . $post_id . "'><span class='dashicons dashicons-camera'></span></a><br/> |
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| 417 | 2 | <img src='" . $thumbnail . "' class='dfiImg {$dfi_empty}'/> |
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| 418 | <div class='dfiLinks'> |
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| 419 | 2 | <a href='javascript:void(0)' data-id='{$featured_id}' data-id-local='" . $this->get_number_translation( $featured_id + 1 ) . "' class='dfiAddNew dashicons dashicons-plus' title='" . __( 'Add New', self::TEXT_DOMAIN ) . "'></a> |
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| 420 | 2 | <a href='javascript:void(0)' class='dfiRemove dashicons dashicons-minus' title='" . __( 'Remove', self::TEXT_DOMAIN ) . "'></a> |
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| 421 | </div> |
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| 422 | <div class='dfiClearFloat'></div> |
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| 423 | 2 | <input type='hidden' name='dfiFeatured[]' value='{$featured_img}' class='dfiImageHolder' />"; |
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| 424 | } |
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| 425 | |||
| 426 | /** |
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| 427 | * Load new featured meta box via ajax. |
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| 428 | * |
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| 429 | * @since 1.0.0 |
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| 430 | * @access public |
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| 431 | * |
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| 432 | * @return void |
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| 433 | */ |
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| 434 | 2 | public function ajax_callback() { |
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| 435 | 2 | check_ajax_referer( plugin_basename( __FILE__ ), 'security' ); |
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| 436 | |||
| 437 | 1 | $featured_id = isset( $_POST['id'] ) ? intval( wp_unslash( $_POST['id'] ) ) : null; |
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| 438 | |||
| 439 | 1 | if ( ! is_numeric( $featured_id ) ) { |
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| 440 | return; |
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| 441 | } |
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| 442 | |||
| 443 | // @codingStandardsIgnoreStart |
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| 444 | 1 | echo $this->nonce_field( 'dfi_fimageplug-' . $featured_id ); |
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| 445 | ?> |
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| 446 | <a href="javascript:void(0)" class="dfiFeaturedImage" |
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| 447 | title="<?php echo __( 'Set Featured Image', self::TEXT_DOMAIN ) ?>"><span |
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| 448 | class="dashicons dashicons-camera"></span></a><br/> |
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| 449 | <img src="" class="dfiImg dfiImgEmpty"/> |
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| 450 | <div class="dfiLinks"> |
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| 451 | <a href="javascript:void(0)" data-id="<?php echo $featured_id ?>" |
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| 452 | data-id-local="<?php echo $this->get_number_translation( $featured_id + 1 ) ?>" |
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| 453 | class="dfiAddNew dashicons dashicons-plus" title="<?php echo __( 'Add New', self::TEXT_DOMAIN ) ?>"></a> |
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| 454 | <a href="javascript:void(0)" class="dfiRemove dashicons dashicons-minus" |
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| 455 | title="<?php echo __( 'Remove', self::TEXT_DOMAIN ) ?>"></a> |
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| 456 | </div> |
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| 457 | <div class="dfiClearFloat"></div> |
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| 458 | <input type="hidden" name="dfiFeatured[]" value="" class="dfiImageHolder"/> |
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| 459 | <?php |
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| 460 | // @codingStandardsIgnoreEnd |
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| 461 | 1 | wp_die( '' ); |
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| 462 | } |
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| 463 | |||
| 464 | /** |
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| 465 | * Add custom class 'featured-meta-box' to meta box. |
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| 466 | * |
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| 467 | * @since 1.0.0 |
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| 468 | * @access public |
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| 469 | * |
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| 470 | * @see add_metabox_classes |
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| 471 | * |
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| 472 | * @param array $classes Classes to add in the meta box. |
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| 473 | * |
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| 474 | * @return array |
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| 475 | */ |
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| 476 | 1 | public function add_metabox_classes( $classes ) { |
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| 477 | 1 | array_push( $classes, 'featured-meta-box' ); |
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| 478 | |||
| 479 | 1 | return $classes; |
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| 480 | } |
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| 481 | |||
| 482 | /** |
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| 483 | * Add custom fields in media uploader. |
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| 484 | * |
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| 485 | * @since 3.4.0 |
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| 486 | * |
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| 487 | * @param array $form_fields Fields to include in media attachment form. |
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| 488 | * @param array $post Post data. |
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| 489 | * |
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| 490 | * @return array |
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| 491 | */ |
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| 492 | 1 | public function media_attachment_custom_fields( $form_fields, $post ) { |
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| 493 | 1 | $form_fields['dfi-link-to-image'] = array( |
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| 494 | 1 | 'label' => __( 'Link to Image', self::TEXT_DOMAIN ), |
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| 495 | 1 | 'input' => 'text', |
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| 496 | 1 | 'value' => get_post_meta( $post->ID, '_dfi_link_to_image', true ), |
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| 497 | ); |
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| 498 | |||
| 499 | 1 | return $form_fields; |
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| 500 | } |
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| 501 | |||
| 502 | /** |
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| 503 | * Save values of media uploader custom fields. |
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| 504 | * |
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| 505 | * @since 3.4.0 |
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| 506 | * |
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| 507 | * @param array $post Post data for database. |
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| 508 | * @param array $attachment Attachment fields from $_POST form. |
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| 509 | * |
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| 510 | * @return array |
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| 511 | */ |
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| 512 | 1 | public function media_attachment_custom_fields_save( $post, $attachment ) { |
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| 513 | 1 | if ( isset( $attachment['dfi-link-to-image'] ) ) { |
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| 514 | 1 | update_post_meta( $post['ID'], '_dfi_link_to_image', $attachment['dfi-link-to-image'] ); |
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| 515 | 1 | } |
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| 516 | |||
| 517 | 1 | return $post; |
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| 518 | } |
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| 519 | |||
| 520 | /** |
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| 521 | * Update featured images in the database. |
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| 522 | * |
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| 523 | * @since 1.0.0 |
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| 524 | * @access public |
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| 525 | * |
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| 526 | * @see plugin_basename() |
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| 527 | * @see update_post_meta() |
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| 528 | * @see current_user_can() |
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| 529 | * |
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| 530 | * @param int $post_id Current post id. |
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| 531 | * |
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| 532 | * @return bool|null |
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| 533 | */ |
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| 534 | 2 | public function save_meta( $post_id ) { |
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| 535 | // Check auto save. |
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| 536 | 2 | if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
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| 537 | 1 | return false; |
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| 538 | } |
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| 539 | |||
| 540 | 2 | if ( ! $this->verify_nonces() ) { |
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| 541 | 2 | return false; |
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| 542 | } |
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| 543 | |||
| 544 | // Check permission before saving data. |
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| 545 | 1 | if ( current_user_can( 'edit_posts', $post_id ) && isset( $_POST['dfiFeatured'] ) ) { // WPCS: CSRF ok. |
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| 546 | 1 | $featured_images = is_array( $_POST['dfiFeatured'] ) ? $_POST['dfiFeatured'] : array(); // WPCS: sanitization ok, CSRF ok. |
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| 547 | |||
| 548 | 1 | update_post_meta( $post_id, 'dfiFeatured', $this->sanitize_array( $featured_images ) ); |
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| 549 | 1 | } |
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| 550 | 1 | } |
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| 551 | |||
| 552 | /** |
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| 553 | * Sanitize array. |
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| 554 | * |
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| 555 | * @since 3.6.0 |
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| 556 | * @access protected |
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| 557 | * |
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| 558 | * @param array $input_array Input array. |
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| 559 | * |
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| 560 | * @return array |
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| 561 | */ |
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| 562 | 1 | protected function sanitize_array( $input_array ) { |
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| 563 | 1 | $sanitized = array(); |
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| 564 | |||
| 565 | 1 | foreach ( $input_array as $value ) { |
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| 566 | 1 | $sanitized[] = sanitize_text_field( wp_unslash( $value ) ); |
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| 567 | 1 | } |
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| 568 | |||
| 569 | 1 | return $sanitized; |
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| 570 | } |
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| 571 | |||
| 572 | /** |
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| 573 | * Verify metabox nonces. |
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| 574 | * |
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| 575 | * @access protected |
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| 576 | * @see wp_verify_nonce() |
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| 577 | * |
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| 578 | * @return bool |
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| 579 | */ |
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| 580 | protected function verify_nonces() { |
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| 581 | $keys = preg_grep( '/dfi_fimageplug-\d+$/', array_keys( $_POST ) ); // WPCS: CSRF ok. |
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| 582 | |||
| 583 | if ( empty( $keys ) ) { |
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| 584 | return false; |
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| 585 | } |
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| 586 | |||
| 587 | foreach ( $keys as $key ) { |
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| 588 | // Verify nonce. |
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| 589 | if ( ! isset( $_POST[ $key ] ) || |
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| 590 | ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST[ $key ] ) ), plugin_basename( __FILE__ ) ) |
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| 591 | ) { |
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| 592 | return false; |
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| 593 | } |
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| 594 | } |
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| 595 | |||
| 596 | return true; |
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| 597 | } |
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| 598 | |||
| 599 | /** |
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| 600 | * Add update notice. Displayed in plugin update page. |
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| 601 | * |
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| 602 | * @since 2.0.0 |
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| 603 | * @access public |
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| 604 | * |
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| 605 | * @return void |
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| 606 | */ |
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| 607 | 1 | public function update_notice() { |
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| 608 | 1 | $info = __( 'ATTENTION! Please read the <a href="' . self::WIKI_LINK . '" target="_blank">DOCUMENTATION</a> properly before update.', |
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| 609 | 1 | self::TEXT_DOMAIN ); |
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| 610 | |||
| 611 | 1 | echo '<span style="color: red; padding: 7px 0; display: block">' . strip_tags( $info, '<a><b><i><span>' ) . '</span>'; // WPCS: XSS ok. |
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| 612 | 1 | } |
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| 613 | |||
| 614 | /** |
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| 615 | * Execute query. |
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| 616 | * |
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| 617 | * @param string $query Query to execute. |
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| 618 | * |
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| 619 | * @return null|string |
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| 620 | */ |
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| 621 | 6 | private function execute_query( $query ) { |
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| 622 | 6 | return $this->db->get_var( $query ); |
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| 623 | } |
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| 624 | |||
| 625 | /** |
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| 626 | * Get attachment id of the image by image url. |
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| 627 | * |
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| 628 | * @since 3.1.7 |
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| 629 | * @access protected |
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| 630 | * @global object $wpdb |
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| 631 | * |
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| 632 | * @param string $image_url URL of an image. |
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| 633 | * |
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| 634 | * @return string |
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| 635 | */ |
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| 636 | 1 | protected function get_attachment_id( $image_url ) { |
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| 637 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT ID FROM ' . $this->db->posts . ' WHERE guid = %s', $image_url ) ); |
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| 638 | } |
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| 639 | |||
| 640 | /** |
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| 641 | * Get image url of the image by attachment id. |
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| 642 | * |
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| 643 | * @since 2.0.0 |
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| 644 | * @access public |
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| 645 | * |
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| 646 | * @see wp_get_attachment_image_src() |
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| 647 | * |
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| 648 | * @param int $attachment_id attachment id of an image. |
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| 649 | * @param string $size size of the image to fetch (thumbnail, medium, full). |
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| 650 | * |
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| 651 | * @return string |
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| 652 | */ |
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| 653 | 1 | public function get_image_url( $attachment_id, $size = 'full' ) { |
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| 654 | 1 | $image_thumb = wp_get_attachment_image_src( $attachment_id, $size ); |
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| 655 | |||
| 656 | 1 | return empty( $image_thumb ) ? null : $image_thumb[0]; |
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| 657 | } |
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| 658 | |||
| 659 | /** |
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| 660 | * Get image thumbnail url of specific size by image url. |
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| 661 | * |
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| 662 | * @since 2.0.0 |
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| 663 | * @access public |
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| 664 | * |
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| 665 | * @see get_image_id() |
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| 666 | * @see wp_get_attachment_image_src() |
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| 667 | * |
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| 668 | * @param string $image_url url of an image. |
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| 669 | * @param string $size size of the image to fetch (thumbnail, medium, full). |
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| 670 | * |
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| 671 | * @return string |
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| 672 | */ |
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| 673 | 3 | public function get_image_thumb( $image_url, $size = 'thumbnail' ) { |
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| 674 | 3 | $attachment_id = $this->get_image_id( $image_url ); |
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| 675 | 3 | $image_thumb = wp_get_attachment_image_src( $attachment_id, $size ); |
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| 676 | |||
| 677 | 3 | return empty( $image_thumb ) ? null : $image_thumb[0]; |
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| 678 | } |
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| 679 | |||
| 680 | /** |
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| 681 | * Gets attachment id from given image url. |
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| 682 | * |
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| 683 | * @param string $image_url url of an image. |
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| 684 | * |
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| 685 | * @since 2.0.0 |
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| 686 | * @access public |
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| 687 | * |
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| 688 | * @return int|null attachment id of an image |
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| 689 | */ |
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| 690 | 5 | public function get_image_id( $image_url ) { |
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| 691 | 5 | $attachment_id = $this->get_attachment_id( $image_url ); |
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| 692 | |||
| 693 | 5 | if ( is_null( $attachment_id ) ) { |
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| 694 | // check if the image is edited image. |
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| 695 | // and try to get the attachment id. |
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| 696 | 4 | $image_url = str_replace( $this->upload_url . '/', '', $image_url ); |
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| 697 | 4 | $row = $this->execute_query( $this->db->prepare( 'SELECT post_id FROM ' . $this->db->postmeta . ' WHERE meta_value = %s', $image_url ) ); |
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| 698 | |||
| 699 | 4 | if ( ! is_null( $row ) ) { |
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| 700 | 1 | $attachment_id = $row; |
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| 701 | 1 | } |
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| 702 | 4 | } |
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| 703 | |||
| 704 | 5 | return $attachment_id; |
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| 705 | } |
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| 706 | |||
| 707 | /** |
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| 708 | * Get image title. |
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| 709 | * |
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| 710 | * @since 2.0.0 |
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| 711 | * @access public |
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| 712 | * |
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| 713 | * @param string $image_url URL of an image. |
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| 714 | * |
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| 715 | * @return string |
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| 716 | */ |
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| 717 | 1 | public function get_image_title( $image_url ) { |
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| 718 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_title FROM ' . $this->db->posts . ' WHERE guid = %s', $image_url ) ); |
|
| 719 | } |
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| 720 | |||
| 721 | /** |
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| 722 | * Get image title by id. |
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| 723 | * |
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| 724 | * @since 2.0.0 |
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| 725 | * @access public |
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| 726 | * |
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| 727 | * @param int $attachment_id Attachment id of an image. |
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| 728 | * |
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| 729 | * @return string |
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| 730 | */ |
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| 731 | 1 | public function get_image_title_by_id( $attachment_id ) { |
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| 732 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_title FROM ' . $this->db->posts . ' WHERE ID = %d', $attachment_id ) ); |
|
| 733 | } |
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| 734 | |||
| 735 | /** |
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| 736 | * Get image caption. |
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| 737 | * |
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| 738 | * @since 2.0.0 |
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| 739 | * @access public |
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| 740 | * |
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| 741 | * @param string $image_url URL of an image. |
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| 742 | * |
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| 743 | * @return string |
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| 744 | */ |
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| 745 | 1 | public function get_image_caption( $image_url ) { |
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| 746 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_excerpt FROM ' . $this->db->posts . ' WHERE guid = %s', $image_url ) ); |
|
| 747 | } |
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| 748 | |||
| 749 | /** |
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| 750 | * Get image caption by id. |
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| 751 | * |
||
| 752 | * @since 2.0.0 |
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| 753 | * @access public |
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| 754 | * |
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| 755 | * @param int $attachment_id Attachment id of an image. |
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| 756 | * |
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| 757 | * @return string |
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| 758 | */ |
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| 759 | 1 | public function get_image_caption_by_id( $attachment_id ) { |
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| 760 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_excerpt FROM ' . $this->db->posts . ' WHERE ID = %d', $attachment_id ) ); |
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| 761 | } |
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| 762 | |||
| 763 | /** |
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| 764 | * Get image alternate text. |
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| 765 | * |
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| 766 | * @since 2.0.0 |
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| 767 | * @access public |
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| 768 | * |
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| 769 | * @see get_post_meta() |
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| 770 | * |
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| 771 | * @param string $image_url URL of an image. |
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| 772 | * |
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| 773 | * @return string |
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| 774 | */ |
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| 775 | 1 | public function get_image_alt( $image_url ) { |
|
| 776 | 1 | $attachment = $this->db->get_col( $this->db->prepare( 'SELECT ID FROM ' . $this->db->posts . ' WHERE guid = %s', $image_url ) ); |
|
| 777 | |||
| 778 | 1 | $alt = null; |
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| 779 | 1 | if ( ! empty( $attachment ) ) { |
|
| 780 | 1 | $alt = get_post_meta( $attachment[0], '_wp_attachment_image_alt' ); |
|
| 781 | 1 | } |
|
| 782 | |||
| 783 | 1 | return ( is_null( $alt ) || empty( $alt ) ) ? null : $alt[0]; |
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| 784 | } |
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| 785 | |||
| 786 | /** |
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| 787 | * Get image alternate text by attachment id. |
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| 788 | * |
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| 789 | * @since 2.0.0 |
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| 790 | * @access public |
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| 791 | * |
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| 792 | * @see get_post_meta() |
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| 793 | * |
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| 794 | * @param int $attachment_id Attachment id of an image. |
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| 795 | * |
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| 796 | * @return string |
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| 797 | */ |
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| 798 | 1 | public function get_image_alt_by_id( $attachment_id ) { |
|
| 799 | 1 | $alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt' ); |
|
| 800 | |||
| 801 | 1 | return empty( $alt ) ? null : $alt[0]; |
|
| 802 | } |
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| 803 | |||
| 804 | /** |
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| 805 | * Get image description. |
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| 806 | * |
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| 807 | * @since 3.0.0 |
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| 808 | * @access public |
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| 809 | * |
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| 810 | * @param string $image_url URL of an image. |
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| 811 | * |
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| 812 | * @return string |
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| 813 | */ |
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| 814 | 1 | public function get_image_description( $image_url ) { |
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| 815 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_content FROM ' . $this->db->posts . ' WHERE guid = %s', $image_url ) ); |
|
| 816 | } |
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| 817 | |||
| 818 | /** |
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| 819 | * Get image description by id. |
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| 820 | * |
||
| 821 | * @since 3.0.0 |
||
| 822 | * @access public |
||
| 823 | * |
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| 824 | * @param int $attachment_id attachment id of an image. |
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| 825 | * |
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| 826 | * @return string |
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| 827 | */ |
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| 828 | 1 | public function get_image_description_by_id( $attachment_id ) { |
|
| 829 | 1 | return $this->execute_query( $this->db->prepare( 'SELECT post_content FROM ' . $this->db->posts . ' WHERE ID = %d', $attachment_id ) ); |
|
| 830 | } |
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| 831 | |||
| 832 | /** |
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| 833 | * Get link to image. |
||
| 834 | * |
||
| 835 | * @since 3.4.0 |
||
| 836 | * @access public |
||
| 837 | * |
||
| 838 | * @param int $attachment_id Attachment id of an image. |
||
| 839 | * |
||
| 840 | * @return string|null |
||
| 841 | */ |
||
| 842 | 1 | public function get_link_to_image( $attachment_id ) { |
|
| 843 | 1 | return get_post_meta( $attachment_id, '_dfi_link_to_image', true ); |
|
| 844 | } |
||
| 845 | |||
| 846 | /** |
||
| 847 | * Get all attachment ids of the post. |
||
| 848 | * |
||
| 849 | * @since 2.0.0 |
||
| 850 | * @access public |
||
| 851 | * |
||
| 852 | * @see get_post_meta() |
||
| 853 | * |
||
| 854 | * @param int $post_id id of the current post. |
||
| 855 | * |
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| 856 | * @return array |
||
| 857 | */ |
||
| 858 | 2 | public function get_post_attachment_ids( $post_id ) { |
|
| 859 | 2 | $dfi_images = get_post_meta( $post_id, 'dfiFeatured', true ); |
|
| 860 | 2 | $ret_val = array(); |
|
| 861 | |||
| 862 | 2 | if ( ! empty( $dfi_images ) && is_array( $dfi_images ) ) { |
|
| 863 | 2 | foreach ( $dfi_images as $dfi_image ) { |
|
| 864 | 2 | $dfi_image_full = $this->separate( $dfi_image, 'full' ); |
|
| 865 | 2 | $ret_val[] = (int) $this->get_image_id( $this->upload_url . $dfi_image_full ); |
|
| 866 | 2 | } |
|
| 867 | 2 | } |
|
| 868 | |||
| 869 | 2 | return $ret_val; |
|
| 870 | } |
||
| 871 | |||
| 872 | /** |
||
| 873 | * Get real post id. |
||
| 874 | * |
||
| 875 | * @since 3.6.0 |
||
| 876 | * @access protected |
||
| 877 | * |
||
| 878 | * @param int|null $post_id Post id. |
||
| 879 | * |
||
| 880 | * @return int|null |
||
| 881 | */ |
||
| 882 | 6 | protected function get_real_post_id( $post_id = null ) { |
|
| 883 | 6 | if ( ! is_null( $post_id ) && is_numeric( $post_id ) ) { |
|
| 884 | 5 | return $post_id; |
|
| 885 | } |
||
| 886 | |||
| 887 | 3 | global $post; |
|
| 888 | |||
| 889 | 3 | return $post->ID; |
|
| 890 | } |
||
| 891 | |||
| 892 | /** |
||
| 893 | * Fetches featured image data of nth position. |
||
| 894 | * |
||
| 895 | * @since 3.0.0 |
||
| 896 | * @access public |
||
| 897 | * |
||
| 898 | * @see get_featured_images() |
||
| 899 | * |
||
| 900 | * @param int $position Position of the featured image. |
||
| 901 | * @param int $post_id Current post id. |
||
| 902 | * |
||
| 903 | * @return array if found, null otherwise. |
||
| 904 | */ |
||
| 905 | 2 | public function get_nth_featured_image( $position, $post_id = null ) { |
|
| 906 | 2 | $post_id = $this->get_real_post_id( ( $post_id ) ); |
|
| 907 | |||
| 908 | 2 | $featured_images = $this->get_featured_images( $post_id ); |
|
| 909 | |||
| 910 | 2 | return isset( $featured_images[ $position - 2 ] ) ? $featured_images[ $position - 2 ] : null; |
|
| 911 | } |
||
| 912 | |||
| 913 | /** |
||
| 914 | * Check if the image is attached with the particular post. |
||
| 915 | * |
||
| 916 | * @since 2.0.0 |
||
| 917 | * @access public |
||
| 918 | * |
||
| 919 | * @see get_post_attachment_ids() |
||
| 920 | * |
||
| 921 | * @param int $attachment_id Attachment id of an image. |
||
| 922 | * @param int $post_id Current post id. |
||
| 923 | * |
||
| 924 | * @return bool |
||
| 925 | */ |
||
| 926 | 1 | public function is_attached( $attachment_id, $post_id ) { |
|
| 927 | 1 | if ( empty( $attachment_id ) ) { |
|
| 928 | 1 | return false; |
|
| 929 | } |
||
| 930 | |||
| 931 | 1 | $attachment_ids = $this->get_post_attachment_ids( $post_id ); |
|
| 932 | |||
| 933 | 1 | return in_array( $attachment_id, $attachment_ids, true ) ? true : false; |
|
| 934 | } |
||
| 935 | |||
| 936 | /** |
||
| 937 | * Retrieve featured images for specific post(s). |
||
| 938 | * |
||
| 939 | * @since 2.0.0 |
||
| 940 | * @access public |
||
| 941 | * |
||
| 942 | * @see get_post_meta() |
||
| 943 | * |
||
| 944 | * @param int $post_id id of the current post. |
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| 945 | * |
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| 946 | * @return array |
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| 947 | */ |
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| 948 | 7 | public function get_featured_images( $post_id = null ) { |
|
| 949 | 7 | $post_id = $this->get_real_post_id( $post_id ); |
|
| 950 | 7 | $dfi_images = get_post_meta( $post_id, 'dfiFeatured', true ); |
|
| 951 | 7 | $ret_images = array(); |
|
| 952 | |||
| 953 | 7 | if ( ! empty( $dfi_images ) && is_array( $dfi_images ) ) { |
|
| 954 | 7 | $dfi_images = array_filter( $dfi_images ); |
|
| 955 | |||
| 956 | 7 | $count = 0; |
|
| 957 | 7 | foreach ( $dfi_images as $dfi_image ) { |
|
| 958 | 7 | $dfi_image_trimmed = $this->separate( $dfi_image ); |
|
| 959 | 7 | $dfi_image_full = $this->separate( $dfi_image, 'full' ); |
|
| 960 | |||
| 961 | try { |
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| 962 | 7 | $ret_images[ $count ]['thumb'] = $this->get_real_upload_path( $dfi_image_trimmed ); |
|
| 963 | 7 | $ret_images[ $count ]['full'] = $this->get_real_upload_path( $dfi_image_full ); |
|
| 964 | 7 | $ret_images[ $count ]['attachment_id'] = $this->get_image_id( $ret_images[ $count ]['full'] ); |
|
| 965 | 7 | } catch ( Exception $e ) { |
|
| 966 | /* Ignore the exception and continue with other featured images */ |
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| 967 | } |
||
| 968 | |||
| 969 | 7 | $count ++; |
|
| 970 | 7 | } |
|
| 971 | 7 | } |
|
| 972 | |||
| 973 | 7 | return $ret_images; |
|
| 974 | } |
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| 975 | |||
| 976 | /** |
||
| 977 | * Check to see if the upload url is already available in path. |
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| 978 | * |
||
| 979 | * @since 3.1.14 |
||
| 980 | * @access protected |
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| 981 | * |
||
| 982 | * @param string $img Uploaded image. |
||
| 983 | * |
||
| 984 | * @return string |
||
| 985 | */ |
||
| 986 | 2 | protected function get_real_upload_path( $img ) { |
|
| 987 | // check if upload path is already attached. |
||
| 988 | 2 | if ( false !== strpos( $img, $this->upload_url ) || preg_match( '/https?:\/\//', $img ) ) { |
|
| 989 | 2 | return $img; |
|
| 990 | } |
||
| 991 | |||
| 992 | 2 | return $this->upload_url . $img; |
|
| 993 | } |
||
| 994 | |||
| 995 | /** |
||
| 996 | * Retrieve featured images for specific post(s) including the default Featured Image. |
||
| 997 | * |
||
| 998 | * @since 3.1.7 |
||
| 999 | * @access public |
||
| 1000 | * |
||
| 1001 | * @see $this->get_featured_images() |
||
| 1002 | * |
||
| 1003 | * @param int $post_id Current post id. |
||
| 1004 | * |
||
| 1005 | * @return array An array of images or an empty array on failure |
||
| 1006 | */ |
||
| 1007 | 2 | public function get_all_featured_images( $post_id = null ) { |
|
| 1008 | 2 | $post_id = $this->get_real_post_id( $post_id ); |
|
| 1009 | 2 | $thumbnail_id = get_post_thumbnail_id( $post_id ); |
|
| 1010 | 2 | $all_images = array(); |
|
| 1011 | |||
| 1012 | 2 | if ( ! empty( $thumbnail_id ) ) { |
|
| 1013 | $featured_image = array( |
||
| 1014 | 2 | 'thumb' => wp_get_attachment_thumb_url( $thumbnail_id ), |
|
| 1015 | 2 | 'full' => wp_get_attachment_url( $thumbnail_id ), |
|
| 1016 | 2 | 'attachment_id' => $thumbnail_id, |
|
| 1017 | 2 | ); |
|
| 1018 | |||
| 1019 | 2 | $all_images[] = $featured_image; |
|
| 1020 | 2 | } |
|
| 1021 | |||
| 1022 | 2 | return array_merge( $all_images, $this->get_featured_images( $post_id ) ); |
|
| 1023 | } |
||
| 1024 | |||
| 1025 | /** |
||
| 1026 | * Load the plugin's textdomain hooked to 'plugins_loaded'. |
||
| 1027 | * |
||
| 1028 | * @since 1.0.0 |
||
| 1029 | * @access public |
||
| 1030 | * |
||
| 1031 | * @see load_plugin_textdomain() |
||
| 1032 | * @see plugin_basename() |
||
| 1033 | * @action plugins_loaded |
||
| 1034 | * |
||
| 1035 | * @codeCoverageIgnore |
||
| 1036 | * |
||
| 1037 | * @return void |
||
| 1038 | */ |
||
| 1039 | public function load_plugin_textdomain() { |
||
| 1040 | load_plugin_textdomain( |
||
| 1041 | self::TEXT_DOMAIN, |
||
| 1042 | false, |
||
| 1043 | dirname( plugin_basename( __FILE__ ) ) . '/languages/' |
||
| 1044 | ); |
||
| 1045 | } |
||
| 1046 | } |
||
| 1047 | |||
| 1048 | /** |
||
| 1049 | * Instantiate the main class. |
||
| 1050 | * |
||
| 1051 | * @since 1.0.0 |
||
| 1052 | * @access public |
||
| 1053 | * |
||
| 1054 | * @var object $dynamic_featured_image holds the instantiated class {@uses Dynamic_Featured_Image} |
||
| 1055 | */ |
||
| 1056 | global $dynamic_featured_image; |
||
| 1057 | $dynamic_featured_image = new Dynamic_Featured_Image(); |
||
| 1058 |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: