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PATH: home / letacommog / supportleta / wp-content / themes / easyweb / inc / meta-box / inc

<?php
/**
 * The plugin core class which initialize plugin's code.
 * @package Meta Box
 */

/**
 * The Meta Box core class.
 * @package Meta Box
 */
class RWMB_Core
{
	/**
	 * Stores all registered meta boxes
	 * @var array
	 */
	private static $meta_boxes = null;

/**
	 * Register hooks.
	 */
	public function __construct()
	{
		$plugin = 'meta-box/meta-box.php';
		add_filter( "plugin_action_links_$plugin", array( $this, 'plugin_links' ) );
		add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) );
		add_action( 'admin_init', array( $this, 'register_meta_boxes' ) );
		add_action( 'edit_page_form', array( $this, 'fix_page_template' ) );
	}

/**
	 * Add links to Documentation and Extensions in plugin's list of action links.
	 *
	 * @since 4.3.11
	 * @param array $links Array of action links
	 * @return array
	 */
	public function plugin_links( $links )
	{
		$links[] = '<a href="https://metabox.io/docs/">' . __( 'Documentation', 'meta-box' ) . '</a>';
		$links[] = '<a href="https://metabox.io/plugins/">' . __( 'Extensions', 'meta-box' ) . '</a>';
		return $links;
	}

/**
	 * Load plugin translation.
	 */
	public function load_textdomain()
	{
		load_plugin_textdomain( 'meta-box', false, plugin_basename( RWMB_DIR ) . '/lang/' );
	}

/**
	 * Register meta boxes.
	 * Advantages:
	 * - prevents incorrect hook.
	 * - no need to check for class existences.
	 */
	public function register_meta_boxes()
	{
		$meta_boxes = self::get_meta_boxes();
		foreach ( $meta_boxes as $meta_box )
		{
			new RW_Meta_Box( $meta_box );
		}
	}

/**
	 * Get registered meta boxes via a filter.
	 * Advantages:
	 * - prevents duplicated global variables.
	 * - allows users to remove/hide registered meta boxes.
	 */
	public static function get_meta_boxes()
	{
		if ( null === self::$meta_boxes )
		{
			self::$meta_boxes = apply_filters( 'rwmb_meta_boxes', array() );
			self::$meta_boxes = empty( self::$meta_boxes ) || ! is_array( self::$meta_boxes ) ? array() : self::$meta_boxes;
		}
		return self::$meta_boxes;
	}

/**
	 * WordPress will prevent post data saving if a page template has been selected that does not exist
	 * This is especially a problem when switching to our theme, and old page templates are in the post data
	 * Unset the page template if the page does not exist to allow the post to save
	 *
	 * @param WP_Post $post
	 * @since 4.3.10
	 */
	public function fix_page_template( WP_Post $post )
	{
		$template       = get_post_meta( $post->ID, '_wp_page_template', true );
		$page_templates = wp_get_theme()->get_page_templates();

// If the template doesn't exists, remove the data to allow WordPress to save
		if ( ! isset( $page_templates[$template] ) )
		{
			delete_post_meta( $post->ID, '_wp_page_template' );
		}
	}

/**
	 * Apply various filters based on field type, id.
	 * Filters:
	 * - rwmb_{$name}
	 * - rwmb_{$field['type']}_{$name}
	 * - rwmb_{$field['id']}_{$name}
	 * @return mixed
	 */
	public static function filter()
	{
		$args = func_get_args();

// 3 first params must be: filter name, value, field. Other params will be used for filters.
		$name  = array_shift( $args );
		$value = array_shift( $args );
		$field = array_shift( $args );

// List of filters
		$filters = array(
			'rwmb_' . $name,
			'rwmb_' . $field['type'] . '_' . $name,
		);
		if ( isset( $field['id'] ) )
		{
			$filters[] = 'rwmb_' . $field['id'] . '_' . $name;
		}

// Filter params: value, field, other params. Note: value is changed after each run.
		array_unshift( $args, $field );
		foreach ( $filters as $filter )
		{
			$filter_args = $args;
			array_unshift( $filter_args, $value );
			$value = apply_filters_ref_array( $filter, $filter_args );
		}

return $value;
	}
}

[+] ..
[-] validation.php [edit]
[+] walkers
[-] helper.php [edit]
[-] loader.php [edit]
[-] field.php [edit]
[-] functions.php [edit]
[-] meta-box.php [edit]
[-] core.php [edit]
[+] templates
[+] fields