File: /var/www/html/WPYadBatya/wp-content/plugins/3d-flipbook-dflip-lite/inc/metaboxes.php
<?php
/**
* dFlip Metaboxes
*
* creates, displays and saves metaboxes and their values
*
* @since 1.0.0
*
* @package dFlip
* @author Deepak Ghimire
*/
class DFlip_Meta_boxes {
/**
* Holds the singleton class object.
*
* @since 1.0.0
*
* @var object
*/
public static $instance;
/**
* Holds the base DFlip class object.
*
* @since 1.0.0
*
* @var object
*/
public $base;
/**
* Holds the base DFlip class fields.
*
* @since 1.0.0
*
* @var object
*/
public $fields;
/**
* Primary class constructor.
*
* @since 1.0.0
*/
public function __construct() {
// Load the base class object.
$this->base = DFlip::get_instance();
$this->fields = $this->base->defaults;
// Load metabox assets.
add_action( 'admin_enqueue_scripts', array( $this, 'meta_box_styles_scripts' ) );
// Load the metabox hooks and filters.
add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ), 100 );
// Add action to save metabox config options.
add_action( 'save_post', array( $this, 'save_meta_boxes' ), 10, 2 );
}
/**
* Loads styles and scripts for our metaboxes.
*
* @return null Bail out if not on the proper screen.
* @since 1.0.0
*
*/
public function meta_box_styles_scripts() {
global $id, $post;
if ( isset( get_current_screen()->post_type )
&& $this->base->plugin_slug !== get_current_screen()->post_type ) {
return;
}
// Load necessary metabox styles.
wp_register_style( $this->base->plugin_slug . '-metabox-style', plugins_url( '../assets/css/metaboxes.css', __FILE__ ), array(), $this->base->version );
wp_enqueue_style( $this->base->plugin_slug . '-metabox-style' );
wp_enqueue_style( 'wp-color-picker' );
// Load necessary metabox scripts.
wp_register_script( $this->base->plugin_slug . '-metabox-script', plugins_url( '../assets/js/metaboxes.js', __FILE__ ),
array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-resizable', 'wp-color-picker' ), $this->base->version );
wp_enqueue_script( $this->base->plugin_slug . '-metabox-script' );
if(isset( $post->ID ) || isset($id)){
// Set the post_id for localization.
$post_id = isset( $post->ID ) ? $post->ID : (int) $id;
wp_enqueue_media( array( 'post' => $post_id ) );
}
}
/**
* Adds metaboxes for handling settings
*
* @since 1.0.0
*/
public function add_meta_boxes() {
add_meta_box( 'dflip_post_meta_box_support_us', __( 'More Features in FULL VERSION!', '3d-flipbook-dflip-lite' ), array( $this, 'create_meta_boxes_support_us' ), 'dflip', 'normal', 'high' );
add_meta_box( 'dflip_post_meta_box', __( 'dFlip Settings', '3d-flipbook-dflip-lite' ), array( $this, 'create_meta_boxes' ), 'dflip', 'normal', 'high' );
add_meta_box( 'dflip_post_meta_box_shortcode', __( 'Shortcode', '3d-flipbook-dflip-lite' ), array( $this, 'create_meta_boxes_shortcode' ), 'dflip', 'side', 'high' );
add_meta_box( 'dflip_post_meta_box_video', __( 'Useful Links', '3d-flipbook-dflip-lite' ), array( $this, 'create_meta_boxes_video' ), 'dflip', 'side', 'low' );
}
/**
* Creates metaboxes for shortcode display
*
* @param object $post The current post object.
*
* @since 1.2.4
*
*/
public function create_meta_boxes_support_us( $post ) {
?>
<div class="dflip-notice lite-limits" style="padding:10px;">
<div>
With DearFlip Full version you will have further more possibility of handling flipbooks.
<ol>
<li> Ability to change settings for all flipbooks</li>
<li><strong>PDF LINKS</strong>, translate, analytics, custom share prefix, zoom settings, controls
customization, etc.
</li>
<li><strong>Popup lightboxes for button and custom types</strong></li>
<li> And more...</li>
</ol>
<strong style="text-transform: uppercase;"><a href="https://dearflip.com/go/wp-lite-vs-premium" target="_blank">See
Full Comparision</a> | <a href="https://dearflip.com/go/wp-lite-full-version" target="_blank">
Get Full Version</a></strong>
</div>
</div>
<?php
}
/**
* Creates metaboxes for shortcode display
*
* @param object $post The current post object.
*
* @since 1.2.4
*
*/
public function create_meta_boxes_shortcode( $post ) {
global $current_screen;
if ( $current_screen->post_type == 'dflip' ) {
if ( $current_screen->action == 'add' ) {
echo "Save Post to generate shortcode.";
}
else {
?>
<strong>Embedded:</strong>
<br>
[dflip id="<?php echo $post->ID; ?>"][/dflip]
<hr>
<strong>Thumb - Lightbox(Popup):</strong>
<br>
[dflip id="<?php echo $post->ID; ?>" type="thumb"][/dflip]
<hr>
<a target="_blank" href="https://wordpress.dearflip.com/docs/shortcode-options/">More Shortcode Options</a>
<hr>
<a class="df-notice" href="https://wordpress.dearflip.com/docs/multiple-flipbooks-in-a-page/" target="_blank">Don't embed multiple viewers in a page!</a>
<?php
}
}
}
/**
* Creates metaboxes for video
*
* @param object $post The current post object.
*
* @since 1.2.4
*
*/
public function create_meta_boxes_video( $post ) {
global $current_screen;
if ( $current_screen->post_type == 'dflip' ) {
?>
<ul>
<li>
<a class="video-tutorial" href="https://dearflip.com/go/wp-lite-video-tutorial" target="_blank"><span
class="dashicons dashicons-video-alt3"></span>See Video Tutorial</a>
</li>
<li>
<a class="video-tutorial" href="
https://dearflip.com/go/wp-lite-docs" target="_blank"><span class="dashicons dashicons-book"></span>Live
Documentation</a>
</li>
<li>
<a class="video-tutorial df-chrome" href="https://chrome.google.com/webstore/detail/pdf-viewer-pdf-flipbook-d/bbbnbmpdkfkndckfmcndgabefnmdedfp/?page=post" target="_blank">FREE Flipbook
for Chrome</a>
</li>
</ul>
<?php
}
}
/**
* Creates metaboxes for handling settings
*
* @param object $post The current post object.
*
* @since 1.0.0
*
*/
public function create_meta_boxes( $post ) {
// Keep security first.
wp_nonce_field( $this->base->plugin_slug, $this->base->plugin_slug );
$tabs = array(
'source' => __( 'Source', '3d-flipbook-dflip-lite' ),
'layout' => __( 'General/Layout', '3d-flipbook-dflip-lite' ),
'flipbook' => __( 'Flipbook', '3d-flipbook-dflip-lite' ),
'outline' => __( 'Outline', '3d-flipbook-dflip-lite' )
);
if ( $error = get_transient( "my_save_post_errors_{$post->ID}" ) ) { ?>
<div class="info hidden">
<p><?php echo esc_attr( $error ); ?></p>
</div><?php
delete_transient( "my_save_post_errors_{$post->ID}" );
}
//create tabs and content
?>
<div class="dflip-tabs">
<ul class="dflip-tabs-list">
<?php
//create tabs
$active_set = false;
foreach ( (array) $tabs as $id => $title ) {
?>
<li class="dflip-update-hash dflip-tab <?php echo( $active_set == false ? 'dflip-active' : '' ) ?>">
<a href="#dflip-tab-content-<?php echo esc_attr( $id ) ?>"><?php echo esc_attr( $title ) ?></a></li>
<?php $active_set = true;
}
?>
</ul>
<?php
$active_set = false;
foreach ( (array) $tabs as $id => $title ) {
?>
<div id="dflip-tab-content-<?php echo esc_attr( $id ) ?>"
class="dflip-tab-content <?php echo( $active_set == false ? "dflip-active" : "" ) ?>">
<?php
$active_set = true;
//create content for tab
$function = $id . "_tab";
call_user_func( array( $this, $function ), $post );
?>
</div>
<?php } ?>
</div>
<?php
}
/**
* Creates the UI for Source tab
*
* @param object $post The current post object.
*
* @since 1.0.0
*
*/
public function source_tab( $post ) {
$this->create_normal_setting( 'source_type', $post );
$this->create_normal_setting( 'pdf_source', $post );
$this->create_normal_setting( 'pdf_thumb', $post );
?>
<!--Pages for the book-->
<div id="dflip_pages_box" class="df-box hide-on-fail " data-condition="dflip_source_type:is(image)" data-operator="and">
<label for="dflip_pages" class="dflip-label">
<?php echo __( 'Custom Pages', '3d-flipbook-dflip-lite' ); ?>
</label>
<div class="dflip-desc">
<?php echo __( 'Add or remove pages as per your requirement. Plus reorder them in the order needed.', '3d-flipbook-dflip-lite' ); ?>
</div>
<div class="dflip-option dflip-page-list">
<a href="javascript:void(0);" class="dflip-page-list-add button button-primary"
title="Add New Page">
<?php echo __( 'Add New Page', '3d-flipbook-dflip-lite' ); ?>
</a>
<ul id="dflip_page_list">
<?php
$page_list = $this->get_config( 'pages', $post );
$index = 0;
foreach ( (array) $page_list as $page ) {
/* build the arguments*/
$title = isset( $page['title'] ) ? $page['title'] : '';
$url = isset( $page['url'] ) ? $page['url'] : '';
$content = isset( $page['content'] ) ? $page['content'] : '';
if ( $url != '' ) {
?>
<li class="dflip-page-item">
<img class="dflip-page-thumb" src="<?php echo esc_attr( $url ); ?>" alt=""/>
<div class="dflip-page-options">
<label for="dflip-page-<?php echo esc_attr( $index ); ?>-title">
<?php echo __( 'Title', '3d-flipbook-dflip-lite' ); ?>
</label>
<input type="text"
name="_dflip[pages][<?php echo esc_attr( $index ); ?>][url]"
id="dflip-page-<?php echo esc_attr( $index ); ?>-url"
value="<?php echo esc_attr( $url ); ?>"
class="widefat">
<label for="dflip-page-<?php echo esc_attr( $index ); ?>-content">
<?php echo __( 'Content', '3d-flipbook-dflip-lite' ); ?>
</label>
<textarea rows="10" cols="40"
name="_dflip[pages][<?php echo esc_attr( $index ); ?>][content]"
id="dflip-page-<?php echo esc_attr( $index ); ?>-content">
<?php echo esc_textarea( $content ); ?>
</textarea>
<?php
if ( isset( $page['hotspots'] ) ) {
$spotindex = 0;
foreach (
(array) $page['hotspots'] as $spot
) {
?>
<input class="dflip-hotspot-input"
name="_dflip[pages][<?php echo esc_attr( $index ); ?>][hotspots][<?php echo esc_attr( $spotindex ); ?>]"
value="<?php echo htmlspecialchars( $spot ); ?>">
<?php
$spotindex ++;
}
}
?>
</div>
</li>
<?php
}
$index ++;
} ?>
</ul>
</div>
</div>
<!--Clear-fix-->
<div class="dflip-box"></div>
<div class="dflip-support-box" style="padding:10px;line-height:1.7em;">
Thank you for using our little flipbook plugin :) We hope it has been useful for you and keeps helping you with
your cause.
<br>We love supporting and improving our plugin. <strong>You too can <a
href="https://wordpress.org/support/plugin/3d-flipbook-dflip-lite/reviews/?filter=5#new-post"
target="_blank">SHARE <span
style="color:#ffa000; font-size:1.2em;">★★★★★</span> REVIEW SUPPORT</a> on
WordPress.org!</strong> It would mean a lot to us!
</div>
<?php
}
/**
* Sanitizes an array value even if not existent
*
* @param object $arr The array to lookup
* @param mixed $key The key to look into array
* @param mixed $default Default value in-case value is not found in array
*
* @return mixed appropriate value if exists else default value
* @since 1.0.0
*
*/
private function val( $arr, $key, $default = '' ) {
return isset( $arr[ $key ] ) ? $arr[ $key ] : $default;
}
private function create_global_setting( $key, $post, $global_key ) {
$this->base->create_setting( $key, null, $this->get_config( $key, $post, $global_key ), $global_key, $this->global_config( $key ) );
}
private function create_normal_setting( $key, $post ) {
$this->base->create_setting( $key, null, $this->get_config( $key, $post ) );
}
/**
* Creates the UI for layout tab
*
* @param object $post The current post object.
*
* @since 1.0.0
*
*/
public function layout_tab( $post ) {
$this->create_global_setting( 'viewerType', $post, 'global' );
$this->create_global_setting( 'texture_size', $post, 'global' );
$this->base->create_separator( 'Layout' );
$this->create_global_setting( 'height', $post, '' );
$this->create_global_setting( 'bg_color', $post, '' );
$this->create_global_setting( 'bg_image', $post, '' );
$this->base->create_separator( 'Controls' );
$this->create_global_setting( 'auto_sound', $post, 'global' );
$this->create_global_setting( 'enable_download', $post, 'global' );
$this->create_global_setting( 'controls_position', $post, 'global' );
?>
<!--Clear-fix-->
<div class="dflip-box"></div>
<?php
}
public function flipbook_tab( $post ) {
$this->create_global_setting( 'webgl', $post, 'global' );
$this->create_global_setting( 'hard', $post, 'global' );
$this->create_global_setting( 'duration', $post, '' );
$this->create_global_setting( 'page_mode', $post, 'global' );
$this->create_global_setting( 'single_page_mode', $post, 'global' );
$this->create_normal_setting( 'page_size', $post );
$this->create_global_setting( 'direction', $post, 'global' );
$this->base->create_separator( 'Misc' );
$this->create_global_setting( 'autoplay', $post, 'global' );
$this->create_global_setting( 'autoplay_duration', $post, '' );
$this->create_global_setting( 'autoplay_start', $post, 'global' );
?><!--Clear-fix-->
<div class="dflip-box"></div>
<?php
}
/**
* Creates the UI for outline tab
*
* @param object $post The current post object.
*
* @since 1.0.0
*
*/
public function outline_tab( $post ) {
$this->create_normal_setting( 'auto_outline', $post );
$this->create_normal_setting( 'auto_thumbnail', $post );
$this->create_normal_setting( 'overwrite_outline', $post );
?>
<!--Outline/Bookmark-->
<div id="dflip_outline_box" class="dflip-box dflip-js-code">
<div class="dflip-desc">
<p>
<?php echo sprintf( __( 'Create a tree structure bookmark/outline of your book for easy access:<br>%s', '3d-flipbook-dflip-lite' ),
'<code> Outline Name : (destination as blank or link to url or page number)</code>' ); ?>
</p>
</div>
<div class="dflip-option dflip-textarea-simple">
<script class="df-post-script" type="application/javascript">window.dflip_flipbook_post_outline = <?php echo json_encode( $this->get_config( 'outline', $post ) ); ?></script>
</div>
</div>
<!--Clear-fix-->
<div class="dflip-box"></div>
<?php
}
/**
* Helper method for retrieving config values.
*
* @param string $key The config key to retrieve.
* @param object $post The current post object.
*
* @param null $_default
*
* @return string Key value on success, empty string on failure.
* @since 1.0.0
*
*/
public function get_config( $key, $post, $_default = null ) {
$values = get_post_meta( $post->ID, '_dflip_data', true );
$value = isset( $values[ $key ] ) ? $values[ $key ] : '';
$default = $_default === null ? isset( $this->fields[ $key ] ) ? is_array( $this->fields[ $key ] ) ? isset( $this->fields[ $key ]['std'] ) ? $this->fields[ $key ]['std'] : ''
: $this->fields[ $key ] : '' : $_default;
/* set standard value */
if ( $default !== null ) {
$value = $this->filter_std_value( $value, $default );
}
return $value;
}
/**
* Helper function to filter standard option values.
*
* @param mixed $value Saved string or array value
* @param mixed $std Standard string or array value
*
* @return mixed String or array
*
* @access public
* @since 1.0.0
*/
public function filter_std_value( $value = '', $std = '' ) {
$std = maybe_unserialize( $std );
if ( is_array( $value ) && is_array( $std ) ) {
foreach ( $value as $k => $v ) {
if ( '' === $value[ $k ] && isset( $std[ $k ] ) ) {
$value[ $k ] = $std[ $k ];
}
}
} else {
if ( '' === $value && $std !== null ) {
$value = $std;
}
}
return $value;
}
/**
* Saves values from dFlip metaboxes.
*
* @param int $post_id The current post ID.
* @param object $post The current post object.
*
* @since 1.0.0
*
*/
public function save_meta_boxes( $post_id, $post ) {
// Bail out if we fail a security check.
if ( !isset( $_POST['dflip'] )
|| !wp_verify_nonce( $_POST['dflip'], 'dflip' )
|| !isset( $_POST['_dflip'] ) ) {
set_transient( "my_save_post_errors_{$post_id}", "Security Check Failed", 10 );
return;
}
// Bail out if running an autosave, ajax, cron or revision.
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
set_transient( "my_save_post_errors_{$post_id}", "Autosave", 10 );
return;
}
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
set_transient( "my_save_post_errors_{$post_id}", "Ajax", 10 );
return;
}
/* if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
set_transient("my_save_post_errors_{$post_id}", "Cron", 10);
return;
}*/
if ( wp_is_post_revision( $post_id ) ) {
set_transient( "my_save_post_errors_{$post_id}", "revision", 10 );
return;
}
// Bail if this is not the correct post type.
if ( isset( $post->post_type )
&& $this->base->plugin_slug !== $post->post_type ) {
set_transient( "my_save_post_errors_{$post_id}", "Incorrect Post Type", 10 );
return;
}
// Bail out if user is not authorized
if ( !current_user_can( 'edit_post', $post_id ) ) {
set_transient( "my_save_post_errors_{$post_id}", "UnAuthorized User", 10 );
return;
}
// Sanitize all user inputs.
$sanitized_data = array();
//Source Tab
$sanitized_data['source_type'] = sanitize_text_field( $_POST['_dflip']['source_type'] );
$sanitized_data['pdf_source'] = esc_url_raw( $_POST['_dflip']['pdf_source'] );
$sanitized_data['pdf_thumb'] = esc_url_raw( $_POST['_dflip']['pdf_thumb'] );
$page_list = array();
if ( is_array( $_POST['_dflip']['pages'] ) ) {
foreach ( (array) $_POST['_dflip']['pages'] as $page_key => $page_value ) {
$page = array();
$page['url'] = isset( $page_value['url'] ) ? esc_url_raw( $page_value['url'] ) : '';
$page['hotspots'] = array();
if ( isset( $page_value['hotspots'] ) ) {
foreach ( (array) $page_value['hotspots'] as $spot_key => $spot_value ) {
array_push( $page['hotspots'], sanitize_text_field( $spot_value ) );
}
}
array_push( $page_list, $page );
}
}
$sanitized_data['pages'] = $page_list;
//Layout tab
$sanitized_data['viewerType'] = sanitize_text_field( $_POST['_dflip']['viewerType'] );
$sanitized_data['webgl'] = sanitize_text_field( $_POST['_dflip']['webgl'] );
$sanitized_data['hard'] = sanitize_text_field( $_POST['_dflip']['hard'] );
$sanitized_data['bg_color'] = sanitize_text_field( $_POST['_dflip']['bg_color'] );
$sanitized_data['bg_image'] = esc_url_raw( $_POST['_dflip']['bg_image'] );
$sanitized_data['duration'] = sanitize_text_field( $_POST['_dflip']['duration'] );
$sanitized_data['height'] = sanitize_text_field( $_POST['_dflip']['height'] );
$sanitized_data['texture_size'] = sanitize_text_field( $_POST['_dflip']['texture_size'] );
$sanitized_data['auto_sound'] = sanitize_text_field( $_POST['_dflip']['auto_sound'] );
$sanitized_data['enable_download'] = sanitize_text_field( $_POST['_dflip']['enable_download'] );
$sanitized_data['page_mode'] = sanitize_text_field( $_POST['_dflip']['page_mode'] );
$sanitized_data['single_page_mode'] = sanitize_text_field( $_POST['_dflip']['single_page_mode'] );
$sanitized_data['controls_position'] = sanitize_text_field( $_POST['_dflip']['controls_position'] );
$sanitized_data['direction'] = sanitize_text_field( $_POST['_dflip']['direction'] );
// $sanitized_data['force_fit'] = sanitize_text_field( $_POST['_dflip']['force_fit'] );
$sanitized_data['autoplay'] = sanitize_text_field( $_POST['_dflip']['autoplay'] );
$sanitized_data['autoplay_duration'] = sanitize_text_field( $_POST['_dflip']['autoplay_duration'] );
$sanitized_data['autoplay_start'] = sanitize_text_field( $_POST['_dflip']['autoplay_start'] );
$sanitized_data['page_size'] = sanitize_text_field( $_POST['_dflip']['page_size'] );
//Outline/sidemenu tab
$sanitized_data['auto_outline'] = sanitize_text_field( $_POST['_dflip']['auto_outline'] );
$sanitized_data['auto_thumbnail'] = sanitize_text_field( $_POST['_dflip']['auto_thumbnail'] );
$sanitized_data['overwrite_outline'] = sanitize_text_field( $_POST['_dflip']['overwrite_outline'] );
$sanitized_data['outline'] = isset( $_POST['_dflip']['outline'] ) ? $this->array_outline_sanitize( $_POST['_dflip']['outline'] ) : array();
$sanitized_data['outline'] = $this->array_val($sanitized_data['outline'],'items');
$settings = get_post_meta( $post_id, '_dflip_data', true );
if ( empty( $settings ) || !is_array($settings)) {
$settings = array();
}
$settings = array_merge( $settings, $sanitized_data );
//These values are from postObject
if ( isset( $post->post_type ) && 'dflip' == $post->post_type ) {
if ( empty( $settings['title'] ) ) {
$settings['title'] = trim( strip_tags( $post->post_title ) );
}
if ( empty( $settings['slug'] ) ) {
$settings['slug'] = sanitize_text_field( $post->post_name );
}
}
// Get publish/draft status from Post
$settings['status'] = $post->post_status;
// Update the post meta.
update_post_meta( $post_id, '_dflip_data', $settings );
}
/**
* Sanitizes and returns values of an array. The values should be text only
*
* @param array Array to be sanitized
*
* @return array sanitized array
* @since 1.0.0
*
*/
private function array_text_sanitize( $arr = array() ) {
if ( is_null( $arr ) ) {
return array();
}
foreach ( (array) $arr as $k => $val ) {
if ( is_array( $val ) ) {
$arr[ $k ] = $this->array_text_sanitize( $val );
} else {
$arr[ $k ] = sanitize_text_field( $val );
}
}
return $arr;
}
/**
* Sanitizes and returns values of an outline array. The values should be text, number and urls only
*
* @param array $arr Array to be sanitized
*
* @return array sanitized array
* @since 2.3.53
*
*/
private function array_outline_sanitize( $arr = array() ) {
if ( is_null( $arr ) ) {
return array();
}
foreach ( (array) $arr as $k => $val ) {
if ( is_array( $val ) ) {
$arr[ $k ] = $this->array_outline_sanitize( $val );
} else if ( $k == "title" ) {
$arr[ $k ] = sanitize_text_field( $val );
} else if ( $k == "dest" ) {
if ( is_numeric( $arr[ $k ] ) ) {
$arr[ $k ] = sanitize_text_field( $val );
} else {
$arr[ $k ] = sanitize_url( $val );
}
}else{
return "";
}
}
return $arr;
}
/**
* Removes index of array and returns only values array
*
* @param array Array to be de-ordered
* @param string $scan key index that needs to be de-ordered
*
* @return array sanitized array
* @since 1.0.0
*
*/
private function array_val( $arr = array(), $scan = '' ) {
if ( is_null( $arr ) ) {
return array();
}
$_arr = array_values( $arr );
if ( $_arr != null && $scan !== '' ) {
foreach ( $_arr as &$val ) {
if ( is_array( $val ) ) {
if ( isset( $val[ $scan ] ) ) {
$val[ $scan ] = $this->array_val( $val[ $scan ], $scan );
}
}
}
}
return $_arr;
}
/**
* Helper method for retrieving global check values.
*
* @param string $key The config key to retrieve.
* @param object $post The current post object.
*
* @return string Key value on success, empty string on failure.
* @since 1.0.0
*
*/
public function global_config( $key ) {
$global_value = $this->base->get_config( $key );
$value = isset( $this->fields[ $key ] ) ? is_array( $this->fields[ $key ] ) ? isset( $this->fields[ $key ]['choices'][ $global_value ] ) ? $this->fields[ $key ]['choices'][ $global_value ]
: $global_value : $global_value : $global_value;
return $value;
}
/**
* Returns the singleton instance of the class.
*
* @return object dFlip_PostType object.
* @since 1.0.0
*
*/
public static function get_instance() {
if ( !isset( self::$instance )
&& !( self::$instance instanceof DFlip_Meta_Boxes ) ) {
self::$instance = new DFlip_Meta_Boxes();
}
return self::$instance;
}
}
// Load the DFlip_Metaboxes class.
$dflip_meta_boxes = DFlip_Meta_Boxes::get_instance();