Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Proposed WP_Object_Classifier for WordPress #metadata.
<?php
/**
* Class WP_Object_Classifier
*/
final class WP_Object_Classifier {
/**
* @var bool
*/
var $object_type = false;
/**
* @var bool
*/
var $subtype = false;
/**
* @var array
*/
protected static $_core_object_types = array(
'post' => array( 'has_subtype' => true ),
'user' => array( 'has_subtype' => false ),
'comment' => array( 'has_subtype' => false ),
);
/**
* @param bool|string|array|object $object_type
*/
function __construct( $object_type = false ) {
if ( $object_type ) {
$this->assign( $object_type );
}
}
/**
* Validated and assigns a value to this Object Classifier
*
* @example:
*
* $this->assign(
*
* @param bool|string|array|WP_Object_Classifier $object_type
*/
function assign( $object_type = false ) {
if ( empty( $object_type ) ) {
global $post;
$object_type = isset( $post->post_type ) ? "post/{$post->post_type}" : 'post/post';
}
if ( is_a( $object_type, __CLASS__ ) ) {
$this->object_type = $object_type->object_type;
$this->subtype = $object_type->subtype;
} else {
if ( is_string( $object_type ) ) {
if ( isset( self::$_core_object_types[$object_type] ) && ! self::$_core_object_types[$object_type]['has_subtype'] ) {
$this->object_type = $object_type;
$this->subtype = false;
} else {
if ( false === strpos( $object_type, ':' ) ) {
$this->object_type = 'post';
$this->subtype = $object_type;
} else {
list( $this->object_type, $this->subtype ) = explode( ':', $object_type );
}
}
} else {
if ( is_array( $object_type ) ) {
$object_type = (object)$object_type;
}
$this->object_type = property_exists( $object_type, 'object_type' ) ? $object_type->object_type : false;
$this->subtype = property_exists( $object_type, 'subtype' ) ? $object_type->subtype : false;
}
$this->object_type = sanitize_key( $this->object_type );
if ( $this->subtype ) {
$this->subtype = sanitize_key( $this->subtype );
}
}
}
/**
* Get the most specific type available
*
* @return string
*/
function unqualified_type() {
return empty( $this->subtype ) ? $this->object_type : $this->subtype;
}
/**
* Check if the current object classifier is valid.
*
* @return bool
*/
public function is_valid() {
return ! empty( $this->type );
}
/**
* Check if the current object classifier is equivalent to the one passed in.
*
* @param WP_Object_Classifier $that
* @return bool
*/
public function is_equivalent( $that ) {
if ( ! is_a( $that, __CLASS__ ) ) {
$object_type = new self( $that );
}
return $this == $that;
}
/**
* @return string
*/
function __toString() {
return "{$this->object_type}/{$this->subtype}";
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.