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init.php
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init.php
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<?php
/*
Script Name: Custom Metaboxes and Fields
Contributors: WebDevStudios (@webdevstudios / webdevstudios.com)
Justin Sternberg (@jtsternberg / dsgnwrks.pro)
Jared Atchison (@jaredatch / jaredatchison.com)
Bill Erickson (@billerickson / billerickson.net)
Andrew Norcross (@norcross / andrewnorcross.com)
Description: This will create metaboxes with custom fields that will blow your mind.
Version: 1.2.0
*/
/**
* Released under the GPL license
* http://www.opensource.org/licenses/gpl-license.php
*
* This is an add-on for WordPress
* http://wordpress.org/
*
* **********************************************************************
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* **********************************************************************
*/
/************************************************************************
You should not edit the code below or things might explode!
*************************************************************************/
// Autoload helper classes
spl_autoload_register('cmb_Meta_Box::autoload_helpers');
$meta_boxes = array();
$meta_boxes = apply_filters( 'cmb_meta_boxes', $meta_boxes );
foreach ( $meta_boxes as $meta_box ) {
$my_box = new cmb_Meta_Box( $meta_box );
}
define( 'CMB_META_BOX_URL', cmb_Meta_Box::get_meta_box_url() );
/**
* Create meta boxes
*/
class cmb_Meta_Box {
/**
* Current version number
* @var string
* @since 1.0.0
*/
const CMB_VERSION = '1.2.0';
/**
* Metabox Config array
* @var array
* @since 0.9.0
*/
protected $_meta_box;
/**
* Metabox Defaults
* @var array
* @since 1.0.1
*/
protected static $mb_defaults = array(
'id' => '',
'title' => '',
'type' => '',
'pages' => array(), // Post type
'context' => 'normal',
'priority' => 'high',
'show_names' => true, // Show field names on the left
'show_on' => array( 'key' => false, 'value' => false ), // Specific post IDs or page templates to display this metabox
'cmb_styles' => true, // Include cmb bundled stylesheet
'fields' => array(),
);
/**
* Metabox Form ID
* @var string
* @since 0.9.4
*/
protected $form_id = 'post';
/**
* Current field config array
* @var array
* @since 1.0.0
*/
public static $field = array();
/**
* Object ID for metabox meta retrieving/saving
* @var int
* @since 1.0.0
*/
protected static $object_id = 0;
/**
* Type of object being saved. (e.g., post, user, or comment)
* @var string
* @since 1.0.0
*/
protected static $object_type = '';
/**
* Whether scripts/styles have been enqueued yet
* @var bool
* @since 1.0.0
*/
protected static $is_enqueued = false;
/**
* Whether CMB nonce has been added to the page. (oly add once)
* @var bool
* @since 1.2.0
*/
protected static $nonce_added = false;
/**
* Type of object specified by the metabox Config
* @var string
* @since 1.0.0
*/
protected static $mb_object_type = 'post';
/**
* Array of all options from manage-options metaboxes
* @var array
* @since 1.0.0
*/
protected static $options = array();
/**
* List of fields that are changed/updated on save
* @var array
* @since 1.1.0
*/
protected static $updated = array();
/**
* Get started
*/
function __construct( $meta_box ) {
$meta_box = self::set_mb_defaults( $meta_box );
$allow_frontend = apply_filters( 'cmb_allow_frontend', true, $meta_box );
if ( ! is_admin() && ! $allow_frontend )
return;
$this->_meta_box = $meta_box;
self::set_mb_type( $meta_box );
$types = wp_list_pluck( $meta_box['fields'], 'type' );
$upload = in_array( 'file', $types ) || in_array( 'file_list', $types );
global $pagenow;
$show_filters = 'cmb_Meta_Box_Show_Filters';
foreach ( get_class_methods( $show_filters ) as $filter ) {
add_filter( 'cmb_show_on', array( $show_filters, $filter ), 10, 2 );
}
// register our scripts and styles for cmb
add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ), 8 );
if ( self::get_object_type() == 'post' ) {
add_action( 'admin_menu', array( $this, 'add_metaboxes' ) );
add_action( 'add_attachment', array( $this, 'save_post' ) );
add_action( 'edit_attachment', array( $this, 'save_post' ) );
add_action( 'save_post', array( $this, 'save_post' ), 10, 2 );
add_action( 'admin_enqueue_scripts', array( $this, 'do_scripts' ) );
if ( $upload && in_array( $pagenow, array( 'page.php', 'page-new.php', 'post.php', 'post-new.php' ) ) ) {
add_action( 'admin_head', array( $this, 'add_post_enctype' ) );
}
}
if ( self::get_object_type() == 'user' ) {
$priority = 10;
if ( isset( $meta_box['priority'] ) ) {
if ( is_numeric( $meta_box['priority'] ) )
$priority = $meta_box['priority'];
elseif ( $meta_box['priority'] == 'high' )
$priority = 5;
elseif ( $meta_box['priority'] == 'low' )
$priority = 20;
}
add_action( 'show_user_profile', array( $this, 'user_metabox' ), $priority );
add_action( 'edit_user_profile', array( $this, 'user_metabox' ), $priority );
add_action( 'personal_options_update', array( $this, 'save_user' ) );
add_action( 'edit_user_profile_update', array( $this, 'save_user' ) );
if ( $upload && in_array( $pagenow, array( 'profile.php', 'user-edit.php' ) ) ) {
$this->form_id = 'your-profile';
add_action( 'admin_head', array( $this, 'add_post_enctype' ) );
}
}
}
/**
* Autoloads files with classes when needed
* @since 1.0.0
* @param string $class_name Name of the class being requested
*/
public static function autoload_helpers( $class_name ) {
if ( class_exists( $class_name, false ) )
return;
// for PHP versions < 5.3
$dir = dirname( __FILE__ );
$file = "$dir/helpers/$class_name.php";
if ( file_exists( $file ) )
@include( $file );
}
/**
* Registers scripts and styles for CMB
* @since 1.0.0
*/
public function register_scripts() {
// Should only be run once
if ( self::$is_enqueued )
return;
global $wp_version;
// Only use minified files if SCRIPT_DEBUG is off
$min = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
// scripts required for cmb
$scripts = array( 'jquery', 'jquery-ui-core', 'cmb-datepicker', /*'media-upload', */'cmb-timepicker' );
// styles required for cmb
$styles = array();
// if we're 3.5 or later, user wp-color-picker
if ( 3.5 <= $wp_version ) {
$scripts[] = 'wp-color-picker';
$styles[] = 'wp-color-picker';
if ( ! is_admin() ) {
// we need to register colorpicker on the front-end
wp_register_script( 'iris', admin_url( 'js/iris.min.js' ), array( 'jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch' ), self::CMB_VERSION );
wp_register_script( 'wp-color-picker', admin_url( 'js/color-picker.min.js' ), array( 'iris' ), self::CMB_VERSION );
wp_localize_script( 'wp-color-picker', 'wpColorPickerL10n', array(
'clear' => __( 'Clear' ),
'defaultString' => __( 'Default' ),
'pick' => __( 'Select Color' ),
'current' => __( 'Current Color' ),
) );
}
} else {
// otherwise use the older 'farbtastic'
$scripts[] = 'farbtastic';
$styles[] = 'farbtastic';
}
wp_register_script( 'cmb-datepicker', CMB_META_BOX_URL . 'js/jquery.datePicker.min.js' );
wp_register_script( 'cmb-timepicker', CMB_META_BOX_URL . 'js/jquery.timePicker.min.js' );
wp_register_script( 'cmb-scripts', CMB_META_BOX_URL .'js/cmb'. $min .'.js', $scripts, self::CMB_VERSION );
wp_enqueue_media();
wp_localize_script( 'cmb-scripts', 'cmb_l10', apply_filters( 'cmb_localized_data', array(
'ajax_nonce' => wp_create_nonce( 'ajax_nonce' ),
'script_debug' => defined('SCRIPT_DEBUG') && SCRIPT_DEBUG,
'new_admin_style' => version_compare( $wp_version, '3.7', '>' ),
'object_type' => self::get_object_type(),
'upload_file' => 'Use this file',
'remove_image' => 'Remove Image',
'remove_file' => 'Remove',
'file' => 'File:',
'download' => 'Download',
'ajaxurl' => admin_url( '/admin-ajax.php' ),
'up_arrow' => '[ ↑ ] ',
'down_arrow' => ' [ ↓ ]',
'check_toggle' => __( 'Select / Deselect All', 'cmb' ),
) ) );
wp_register_style( 'cmb-styles', CMB_META_BOX_URL . 'style'. $min .'.css', $styles );
// Ok, we've enqueued our scripts/styles
self::$is_enqueued = true;
}
/**
* Enqueues scripts and styles for CMB
* @since 1.0.0
*/
public function do_scripts( $hook ) {
// only enqueue our scripts/styles on the proper pages
if ( $hook == 'post.php' || $hook == 'post-new.php' || $hook == 'page-new.php' || $hook == 'page.php' ) {
wp_enqueue_script( 'cmb-scripts' );
// default is to show cmb styles on post pages
if ( $this->_meta_box['cmb_styles'] )
wp_enqueue_style( 'cmb-styles' );
}
}
/**
* Add encoding attribute
*/
public function add_post_enctype() {
echo '
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery("#'. $this->form_id .'").attr("enctype", "multipart/form-data");
jQuery("#'. $this->form_id .'").attr("encoding", "multipart/form-data");
});
</script>';
}
/**
* Add metaboxes (to 'post' object type)
*/
public function add_metaboxes() {
foreach ( $this->_meta_box['pages'] as $page ) {
if ( apply_filters( 'cmb_show_on', true, $this->_meta_box ) )
add_meta_box( $this->_meta_box['id'], $this->_meta_box['title'], array( $this, 'post_metabox' ), $page, $this->_meta_box['context'], $this->_meta_box['priority']) ;
}
}
/**
* Display metaboxes for a post object
* @since 1.0.0
*/
public function post_metabox() {
if ( ! $this->_meta_box )
return;
self::show_form( $this->_meta_box, get_the_ID(), 'post' );
}
/**
* Display metaboxes for a user object
* @since 1.0.0
*/
public function user_metabox() {
if ( ! $this->_meta_box )
return;
if ( 'user' != self::set_mb_type( $this->_meta_box ) )
return;
if ( ! apply_filters( 'cmb_show_on', true, $this->_meta_box ) )
return;
wp_enqueue_script( 'cmb-scripts' );
// default is to NOT show cmb styles on user profile page
if ( $this->_meta_box['cmb_styles'] != false )
wp_enqueue_style( 'cmb-styles' );
self::show_form( $this->_meta_box );
}
/**
* Loops through and displays fields
* @since 1.0.0
* @param array $meta_box Metabox config array
* @param int $object_id Object ID
* @param string $object_type Type of object being saved. (e.g., post, user, or comment)
*/
public static function show_form( $meta_box, $object_id = 0, $object_type = '' ) {
$meta_box = self::set_mb_defaults( $meta_box );
// Set/get type
$object_type = self::set_object_type( $object_type ? $object_type : self::set_mb_type( $meta_box ) );
// Set/get ID
$object_id = self::set_object_id( $object_id ? $object_id : self::get_object_id() );
// Add nonce only once per page.
if ( ! self::$nonce_added ) {
wp_nonce_field( self::nonce(), 'wp_meta_box_nonce', false, true );
self::$nonce_added = true;
}
// Use nonce for verification
echo "\n<!-- Begin CMB Fields -->\n";
do_action( 'cmb_before_table', $meta_box, $object_id, $object_type );
echo '<table class="form-table cmb_metabox">';
foreach ( $meta_box['fields'] as $field_args ) {
$field_args['context'] = $meta_box['context'];
if ( 'group' == $field_args['type'] ) {
if ( ! isset( $field_args['show_names'] ) ) {
$field_args['show_names'] = $meta_box['show_names'];
}
self::render_group( $field_args );
} else {
$field_args['show_names'] = $meta_box['show_names'];
// Render default fields
$field = new cmb_Meta_Box_field( $field_args );
$field->render_field();
}
}
echo '</table>';
do_action( 'cmb_after_table', $meta_box, $object_id, $object_type );
echo "\n<!-- End CMB Fields -->\n";
}
/**
* Render a repeatable group
*/
public static function render_group( $args ) {
if ( ! isset( $args['id'], $args['fields'] ) || ! is_array( $args['fields'] ) )
return;
$args['count'] = 0;
$field_group = new cmb_Meta_Box_field( $args );
$desc = $field_group->args( 'description' );
$label = $field_group->args( 'name' );
$sortable = $field_group->options( 'sortable' ) ? ' sortable' : '';
$group_val = (array) $field_group->value();
$nrows = count( $group_val );
$remove_disabled = $nrows <= 1 ? 'disabled="disabled" ' : '';
echo '<tr><td colspan="2"><table id="', $field_group->id(), '_repeat" class="repeatable-group'. $sortable .'" style="width:100%;">';
if ( $desc || $label ) {
echo '<tr><th>';
if ( $label )
echo '<h2 class="cmb-group-name">'. $label .'</h2>';
if ( $desc )
echo '<p class="cmb_metabox_description">'. $desc .'</p>';
echo '</th></tr>';
}
if ( ! empty( $group_val ) ) {
foreach ( $group_val as $iterator => $field_id ) {
self::render_group_row( $field_group, $remove_disabled );
}
} else {
self::render_group_row( $field_group, $remove_disabled );
}
echo '<tr><td><p class="add-row"><button data-selector="', $field_group->id() ,'_repeat" data-grouptitle="', $field_group->options( 'group_title' ) ,'" class="add-group-row button">'. $field_group->options( 'add_button' ) .'</button></p></td></tr>';
echo '</table></td></tr>';
}
public static function render_group_row( $field_group, $remove_disabled ) {
echo '
<tr class="repeatable-grouping" data-iterator="'. $field_group->count() .'">
<td>
<table class="cmb-nested-table" style="width: 100%;">';
if ( $field_group->options( 'group_title' ) ) {
echo '
<tr class="cmb-group-title">
<th colspan="2">
', sprintf( '<h4>%1$s</h4>', $field_group->replace_hash( $field_group->options( 'group_title' ) ) ), '
<th>
</tr>
';
}
// Render repeatable group fields
foreach ( array_values( $field_group->args( 'fields' ) ) as $field_args ) {
$field_args['show_names'] = $field_group->args( 'show_names' );
$field_args['context'] = $field_group->args( 'context' );
$field = new cmb_Meta_Box_field( $field_args, $field_group );
$field->render_field();
}
echo '
<tr>
<td class="remove-row" colspan="2">
<button '. $remove_disabled .'data-selector="'. $field_group->id() .'_repeat" class="button remove-group-row alignright">'. $field_group->options( 'remove_button' ) .'</button>
</td>
</tr>
</table>
</td>
</tr>
';
$field_group->args['count']++;
}
/**
* Save data from metabox
*/
public function save_post( $post_id, $post = false ) {
$post_type = $post ? $post->post_type : get_post_type( $post_id );
// check permissions
if (
// check nonce
! isset( $_POST['wp_meta_box_nonce'] )
|| ! wp_verify_nonce( $_POST['wp_meta_box_nonce'], self::nonce() )
// check if autosave
|| defined('DOING_AUTOSAVE' ) && DOING_AUTOSAVE
// check user editing permissions
|| ( 'page' == $_POST['post_type'] && ! current_user_can( 'edit_page', $post_id ) )
|| ! current_user_can( 'edit_post', $post_id )
// get the metabox post_types & compare it to this post_type
|| ! in_array( $post_type, $this->_meta_box['pages'] )
)
return $post_id;
self::save_fields( $this->_meta_box, $post_id, 'post' );
}
/**
* Save data from metabox
*/
public function save_user( $user_id ) {
// check permissions
// @todo more hardening?
if (
// check nonce
! isset( $_POST['wp_meta_box_nonce'] )
|| ! wp_verify_nonce( $_POST['wp_meta_box_nonce'], self::nonce() )
)
return $user_id;
self::save_fields( $this->_meta_box, $user_id, 'user' );
}
/**
* Loops through and saves field data
* @since 1.0.0
* @param array $meta_box Metabox config array
* @param int $object_id Object ID
* @param string $object_type Type of object being saved. (e.g., post, user, or comment)
*/
public static function save_fields( $meta_box, $object_id, $object_type = '' ) {
$meta_box = self::set_mb_defaults( $meta_box );
$meta_box['show_on'] = empty( $meta_box['show_on'] ) ? array( 'key' => false, 'value' => false ) : $meta_box['show_on'];
self::set_object_id( $object_id );
// Set/get type
$object_type = self::set_object_type( $object_type ? $object_type : self::set_mb_type( $meta_box ) );
if ( ! apply_filters( 'cmb_show_on', true, $meta_box ) )
return;
// save field ids of those that are updated
self::$updated = array();
foreach ( $meta_box['fields'] as $field_args ) {
if ( 'group' == $field_args['type'] ) {
self::save_group( $field_args );
} else {
// Save default fields
$field = new cmb_Meta_Box_field( $field_args );
self::save_field( self::sanitize_field( $field ), $field );
}
}
// If options page, save the updated options
if ( $object_type == 'options-page' )
self::save_option( $object_id );
do_action( "cmb_save_{$object_type}_fields", $object_id, $meta_box['id'], self::$updated, $meta_box );
}
/**
* Save a repeatable group
*/
public static function save_group( $args ) {
if ( ! isset( $args['id'], $args['fields'], $_POST[ $args['id'] ] ) || ! is_array( $args['fields'] ) )
return;
$field_group = new cmb_Meta_Box_field( $args );
$base_id = $field_group->id();
$old = $field_group->get_data();
$group_vals = $_POST[ $base_id ];
$saved = array();
$is_updated = false;
$field_group->index = 0;
// $group_vals[0]['color'] = '333';
foreach ( array_values( $field_group->fields() ) as $field_args ) {
$field = new cmb_Meta_Box_field( $field_args, $field_group );
$sub_id = $field->id( true );
foreach ( (array) $group_vals as $field_group->index => $post_vals ) {
// Get value
$new_val = isset( $group_vals[ $field_group->index ][ $sub_id ] )
? $group_vals[ $field_group->index ][ $sub_id ]
: false;
// Sanitize
$new_val = self::sanitize_field( $field, $new_val, $field_group->index );
if ( 'file' == $field->type() && is_array( $new_val ) ) {
// Add image ID to the array stack
$saved[ $field_group->index ][ $new_val['field_id'] ] = $new_val['attach_id'];
// Reset var to url string
$new_val = $new_val['url'];
}
// Get old value
$old_val = is_array( $old ) && isset( $old[ $field_group->index ][ $sub_id ] )
? $old[ $field_group->index ][ $sub_id ]
: false;
$is_updated = ( ! empty( $new_val ) && $new_val != $old_val );
$is_removed = ( empty( $new_val ) && ! empty( $old_val ) );
// Compare values and add to `$updated` array
if ( $is_updated || $is_removed )
self::$updated[] = $base_id .'::'. $field_group->index .'::'. $sub_id;
// Add to `$saved` array
$saved[ $field_group->index ][ $sub_id ] = $new_val;
}
$saved[ $field_group->index ] = array_filter( $saved[ $field_group->index ] );
}
$saved = array_filter( $saved );
$field_group->update_data( $saved, true );
}
public static function sanitize_field( $field, $new_value = null ) {
$new_value = null !== $new_value
? $new_value
: ( isset( $_POST[ $field->id( true ) ] ) ? $_POST[ $field->id( true ) ] : null );
if ( $field->args( 'repeatable' ) && is_array( $new_value ) ) {
// Remove empties
$new_value = array_filter( $new_value );
}
// Check if this metabox field has a registered validation callback, or perform default sanitization
return $field->sanitization_cb( $new_value );
}
public static function save_field( $new_value, $field ) {
$name = $field->id();
$old = $field->get_data();
if ( $field->args( 'multiple' ) && ! $field->args( 'repeatable' ) && ! $field->group ) {
$field->remove_data();
if ( ! empty( $new_value ) ) {
foreach ( $new_value as $add_new ) {
self::$updated[] = $name;
$field->update_data( $add_new, false );
}
}
} elseif ( ! empty( $new_value ) && $new_value != $old ) {
self::$updated[] = $name;
return $field->update_data( $new_value );
} elseif ( empty( $new_value ) ) {
if ( ! empty( $old ) )
self::$updated[] = $name;
return $field->remove_data();
}
}
/**
* Get object id from global space if no id is provided
* @since 1.0.0
* @param integer $object_id Object ID
* @return integer $object_id Object ID
*/
public static function get_object_id( $object_id = 0 ) {
if ( $object_id )
return $object_id;
if ( self::$object_id )
return self::$object_id;
// Try to get our object ID from the global space
switch ( self::get_object_type() ) {
case 'user':
$object_id = isset( $GLOBALS['user_ID'] ) ? $GLOBALS['user_ID'] : $object_id;
$object_id = isset( $_REQUEST['user_id'] ) ? $_REQUEST['user_id'] : $object_id;
break;
default:
$object_id = isset( $GLOBALS['post']->ID ) ? $GLOBALS['post']->ID : $object_id;
$object_id = isset( $_REQUEST['post'] ) ? $_REQUEST['post'] : $object_id;
break;
}
// reset to id or 0
self::set_object_id( $object_id ? $object_id : 0 );
return self::$object_id;
}
/**
* Explicitly Set object id
* @since 1.0.0
* @param integer $object_id Object ID
* @return integer $object_id Object ID
*/
public static function set_object_id( $object_id ) {
return self::$object_id = $object_id;
}
/**
* Sets the $object_type based on metabox settings
* @since 1.0.0
* @param array|string $meta_box Metabox config array or explicit setting
* @return string Object type
*/
public static function set_mb_type( $meta_box ) {
if ( is_string( $meta_box ) ) {
self::$mb_object_type = $meta_box;
return self::get_mb_type();
}
if ( ! isset( $meta_box['pages'] ) )
return self::get_mb_type();
$type = false;
// check if 'pages' is a string
if ( self::is_options_page_mb( $meta_box ) )
$type = 'options-page';
// check if 'pages' is a string
elseif ( is_string( $meta_box['pages'] ) )
$type = $meta_box['pages'];
// if it's an array of one, extract it
elseif ( is_array( $meta_box['pages'] ) && count( $meta_box['pages'] === 1 ) )
$type = is_string( end( $meta_box['pages'] ) ) ? end( $meta_box['pages'] ) : false;
if ( !$type )
return self::get_mb_type();
// Get our object type
if ( 'user' == $type )
self::$mb_object_type = 'user';
elseif ( 'comment' == $type )
self::$mb_object_type = 'comment';
elseif ( 'options-page' == $type )
self::$mb_object_type = 'options-page';
else
self::$mb_object_type = 'post';
return self::get_mb_type();
}
/**
* Determines if metabox is for an options page
* @since 1.0.1
* @param array $meta_box Metabox config array
* @return boolean True/False
*/
public static function is_options_page_mb( $meta_box ) {
return ( isset( $meta_box['show_on']['key'] ) && 'options-page' === $meta_box['show_on']['key'] );
}
/**
* Returns the object type
* @since 1.0.0
* @return string Object type
*/
public static function get_object_type() {
if ( self::$object_type )
return self::$object_type;
global $pagenow;
if (
$pagenow == 'user-edit.php'
|| $pagenow == 'profile.php'
)
self::set_object_type( 'user' );
elseif (
$pagenow == 'edit-comments.php'
|| $pagenow == 'comment.php'
)
self::set_object_type( 'comment' );
else
self::set_object_type( 'post' );
return self::$object_type;
}
/**
* Sets the object type
* @since 1.0.0
* @return string Object type
*/
public static function set_object_type( $object_type ) {
return self::$object_type = $object_type;
}
/**
* Returns the object type
* @since 1.0.0
* @return string Object type
*/
public static function get_mb_type() {
return self::$mb_object_type;
}
/**
* Returns the nonce value for wp_meta_box_nonce
* @since 1.0.0
* @return string Nonce value
*/
public static function nonce() {
return basename( __FILE__ );
}
/**
* Defines the url which is used to load local resources.
* This may need to be filtered for local Window installations.
* If resources do not load, please check the wiki for details.
* @since 1.0.1
* @return string URL to CMB resources
*/
public static function get_meta_box_url() {
if ( strtoupper( substr( PHP_OS, 0, 3 ) ) === 'WIN' ) {
// Windows
$content_dir = str_replace( '/', DIRECTORY_SEPARATOR, WP_CONTENT_DIR );
$content_url = str_replace( $content_dir, WP_CONTENT_URL, dirname(__FILE__) );
$cmb_url = str_replace( DIRECTORY_SEPARATOR, '/', $content_url );
} else {
$cmb_url = str_replace(
array(WP_CONTENT_DIR, WP_PLUGIN_DIR),
array(WP_CONTENT_URL, WP_PLUGIN_URL),
dirname( __FILE__ )
);
}
return trailingslashit( apply_filters('cmb_meta_box_url', $cmb_url ) );
}
/**
* Fills in empty metabox parameters with defaults
* @since 1.0.1
* @param array $meta_box Metabox config array
* @return array Modified Metabox config array
*/
public static function set_mb_defaults( $meta_box ) {
return wp_parse_args( $meta_box, self::$mb_defaults );
}
/**
* Removes an option from an option array
* @since 1.0.1
* @param string $option_key Option key
* @param string $field_id Option array field key
* @return array Modified options
*/
public static function remove_option( $option_key, $field_id ) {
self::$options[ $option_key ] = ! isset( self::$options[ $option_key ] ) || empty( self::$options[ $option_key ] ) ? self::_get_option( $option_key ) : self::$options[ $option_key ];
if ( isset( self::$options[ $option_key ][ $field_id ] ) )
unset( self::$options[ $option_key ][ $field_id ] );
return self::$options[ $option_key ];
}
/**
* Retrieves an option from an option array
* @since 1.0.1
* @param string $option_key Option key
* @param string $field_id Option array field key
* @return array Options array or specific field
*/
public static function get_option( $option_key, $field_id = '' ) {
self::$options[ $option_key ] = ! isset( self::$options[ $option_key ] ) || empty( self::$options[ $option_key ] ) ? self::_get_option( $option_key ) : self::$options[ $option_key ];
if ( $field_id ) {
return isset( self::$options[ $option_key ][ $field_id ] ) ? self::$options[ $option_key ][ $field_id ] : false;
}
return self::$options[ $option_key ];
}
/**
* Updates Option data
* @since 1.0.1
* @param string $option_key Option key
* @param string $field_id Option array field key
* @param mixed $value Value to update data with
* @param bool $single Whether data should be an array
* @return array Modified options
*/
public static function update_option( $option_key, $field_id, $value, $single = true ) {
if ( ! $single ) {
// If multiple, add to array
self::$options[ $option_key ][ $field_id ][] = $value;
} else {
self::$options[ $option_key ][ $field_id ] = $value;
}
return self::$options[ $option_key ];
}
/**
* Retrieve option value based on name of option.
* @uses apply_filters() Calls 'cmb_override_option_get_$option_key' hook to allow
* overwriting the option value to be retrieved.
*
* @since 1.0.1
* @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
* @param mixed $default Optional. Default value to return if the option does not exist.
* @return mixed Value set for the option.
*/
public static function _get_option( $option_key, $default = false ) {
$test_get = apply_filters( "cmb_override_option_get_$option_key", 'cmb_no_override_option_get', $default );
if ( $test_get !== 'cmb_no_override_option_get' )
return $test_get;
// If no override, get the option
return get_option( $option_key, $default );
}
/**
* Saves the option array
* Needs to be run after finished using remove/update_option
* @uses apply_filters() Calls 'cmb_override_option_save_$option_key' hook to allow
* overwriting the option value to be stored.
*
* @since 1.0.1
* @param string $option_key Option key
* @return boolean Success/Failure
*/
public static function save_option( $option_key ) {
$to_save = self::get_option( $option_key );
$test_save = apply_filters( "cmb_override_option_save_$option_key", 'cmb_no_override_option_save', $to_save );
if ( $test_save !== 'cmb_no_override_option_save' )
return $test_save;
// If no override, update the option
return update_option( $option_key, $to_save );
}
/**
* Utility method that returns a timezone string representing the default timezone for the site.
*
* Roughly copied from WordPress, as get_option('timezone_string') will return
* and empty string if no value has beens set on the options page.
* A timezone string is required by the wp_timezone_choice() used by the
* select_timezone field.
*
* @since 1.0.0
* @return string Timezone string
*/
public static function timezone_string() {
$current_offset = get_option( 'gmt_offset' );
$tzstring = get_option( 'timezone_string' );
if ( empty( $tzstring ) ) { // Create a UTC+- zone if no timezone string exists
if ( 0 == $current_offset )
$tzstring = 'UTC+0';
elseif ( $current_offset < 0 )
$tzstring = 'UTC' . $current_offset;
else
$tzstring = 'UTC+' . $current_offset;
}
return $tzstring;
}
/**
* Utility method that returns time string offset by timezone
* @since 1.0.0
* @param string $tzstring Time string
* @return string Offset time string
*/
public static function timezone_offset( $tzstring ) {
if ( ! empty( $tzstring ) && is_string( $tzstring ) ) {
if ( substr( $tzstring, 0, 3 ) === 'UTC' ) {