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Taxonomy: Introduce WP_Taxonomy and use it in register_taxonomy() and unregister_taxonomy().

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This changes the global `$wp_taxonomies` to an array of `WP_Taxonomy ` objects. `WP_Taxonomy ` includes methods to handle rewrite rules and hooks.
Each taxonomy argument becomes a property of `WP_Taxonomy`. Introducing such a class makes further improvements in the future much more feasible.

Props boonebgorges for review.
Fixes #36224. See #36217.
Built from https://develop.svn.wordpress.org/trunk@38747


git-svn-id: http://core.svn.wordpress.org/trunk@38690 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Pascal Birchler 2016-10-07 17:12:29 +00:00
parent 561c136b8f
commit ef8f9168b6
6 changed files with 436 additions and 140 deletions
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6
wp-admin/includes/ajax-actions.php
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@ -134,9 +134,9 @@ function wp_ajax_ajax_tag_search() {
*
* @since 4.0.0
*
* @param int $characters The minimum number of characters required. Default 2.
* @param object $tax The taxonomy object.
* @param string $s The search term.
* @param int $characters The minimum number of characters required. Default 2.
* @param WP_Taxonomy $tax The taxonomy object.
* @param string $s The search term.
*/
$term_search_min_chars = (int) apply_filters( 'term_search_min_chars', 2, $tax, $s );

416
wp-includes/class-wp-taxonomy.php Normal file
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@ -0,0 +1,416 @@
<?php
/**
* Taxonomy API: WP_Taxonomy class
*
* @package WordPress
* @subpackage Taxonomy
* @since 4.7.0
*/
/**
* Core class used for interacting with taxonomies.
*
* @since 4.7.0
*/
final class WP_Taxonomy {
/**
* Taxonomy key.
*
* @since 4.7.0
* @access public
* @var string
*/
public $name;
/**
* Name of the taxonomy shown in the menu. Usually plural.
*
* @since 4.7.0
* @access public
* @var string
*/
public $label;
/**
* An array of labels for this taxonomy.
*
* @since 4.7.0
* @access public
* @var object
*/
public $labels = array();
/**
* A short descriptive summary of what the taxonomy is for.
*
* @since 4.7.0
* @access public
* @var string
*/
public $description = '';
/**
* Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $public = true;
/**
* Whether the taxonomy is publicly queryable.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $publicly_queryable = true;
/**
* Whether the taxonomy is hierarchical.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $hierarchical = false;
/**
* Whether to generate and allow a UI for managing terms in this taxonomy in the admin.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_ui = true;
/**
* Whether to show the taxonomy in the admin menu.
*
* If true, the taxonomy is shown as a submenu of the object type menu. If false, no menu is shown.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_in_menu = true;
/**
* Whether the taxonomy is available for selection in navigation menus.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_in_nav_menus = true;
/**
* Whether to list the taxonomy in the tag cloud widget controls.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_tagcloud = true;
/**
* Whether to show the taxonomy in the quick/bulk edit panel.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_in_quick_edit = true;
/**
* Whether to display a column for the taxonomy on its post type listing screens.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $show_admin_column = false;
/**
* The callback function for the meta box display.
*
* @since 4.7.0
* @access public
* @var bool|callable
*/
public $meta_box_cb = null;
/**
* An array of object types this taxonomy is registered for.
*
* @since 4.7.0
* @access public
* @var array
*/
public $object_type = null;
/**
* Capabilities for this taxonomy.
*
* @since 4.7.0
* @access public
* @var array
*/
public $cap;
/**
* Rewrites information for this taxonomy.
*
* @since 4.7.0
* @access public
* @var array|false
*/
public $rewrite;
/**
* Query var string for this taxonomy.
*
* @since 4.7.0
* @access public
* @var string|false
*/
public $query_var;
/**
* Function that will be called when the count is updated.
*
* @since 4.7.0
* @access public
* @var callable
*/
public $update_count_callback;
/**
* Whether it is a built-in taxonomy.
*
* @since 4.7.0
* @access public
* @var bool
*/
public $_builtin;
/**
* Constructor.
*
* @since 4.7.0
* @access public
*
* @global WP $wp WP instance.
*
* @param string $taxonomy Taxonomy key, must not exceed 32 characters.
* @param array|string $object_type Name of the object type for the taxonomy object.
* @param array|string $args Optional. Array or query string of arguments for registering a taxonomy.
* Default empty array.
*/
public function __construct( $taxonomy, $object_type, $args = array() ) {
$this->name = $taxonomy;
$this->set_props( $object_type, $args );
}
/**
* Sets taxonomy properties.
*
* @since 4.7.0
* @access public
*
* @param array|string $object_type Name of the object type for the taxonomy object.
* @param array|string $args Array or query string of arguments for registering a taxonomy.
*/
public function set_props( $object_type, $args ) {
$args = wp_parse_args( $args );
/**
* Filters the arguments for registering a taxonomy.
*
* @since 4.4.0
*
* @param array $args Array of arguments for registering a taxonomy.
* @param string $taxonomy Taxonomy key.
* @param array $object_type Array of names of object types for the taxonomy.
*/
$args = apply_filters( 'register_taxonomy_args', $args, $this->name, (array) $object_type );
$defaults = array(
'labels' => array(),
'description' => '',
'public' => true,
'publicly_queryable' => null,
'hierarchical' => false,
'show_ui' => null,
'show_in_menu' => null,
'show_in_nav_menus' => null,
'show_tagcloud' => null,
'show_in_quick_edit' => null,
'show_admin_column' => false,
'meta_box_cb' => null,
'capabilities' => array(),
'rewrite' => true,
'query_var' => $this->name,
'update_count_callback' => '',
'_builtin' => false,
);
$args = array_merge( $defaults, $args );
// If not set, default to the setting for public.
if ( null === $args['publicly_queryable'] ) {
$args['publicly_queryable'] = $args['public'];
}
if ( false !== $args['query_var'] && ( is_admin() || false !== $args['publicly_queryable'] ) ) {
if ( true === $args['query_var'] ) {
$args['query_var'] = $this->name;
} else {
$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
}
} else {
// Force query_var to false for non-public taxonomies.
$args['query_var'] = false;
}
if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
$args['rewrite'] = wp_parse_args( $args['rewrite'], array(
'with_front' => true,
'hierarchical' => false,
'ep_mask' => EP_NONE,
) );
if ( empty( $args['rewrite']['slug'] ) ) {
$args['rewrite']['slug'] = sanitize_title_with_dashes( $this->name );
}
}
// If not set, default to the setting for public.
if ( null === $args['show_ui'] ) {
$args['show_ui'] = $args['public'];
}
// If not set, default to the setting for show_ui.
if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
$args['show_in_menu'] = $args['show_ui'];
}
// If not set, default to the setting for public.
if ( null === $args['show_in_nav_menus'] ) {
$args['show_in_nav_menus'] = $args['public'];
}
// If not set, default to the setting for show_ui.
if ( null === $args['show_tagcloud'] ) {
$args['show_tagcloud'] = $args['show_ui'];
}
// If not set, default to the setting for show_ui.
if ( null === $args['show_in_quick_edit'] ) {
$args['show_in_quick_edit'] = $args['show_ui'];
}
$default_caps = array(
'manage_terms' => 'manage_categories',
'edit_terms' => 'manage_categories',
'delete_terms' => 'manage_categories',
'assign_terms' => 'edit_posts',
);
$args['cap'] = (object) array_merge( $default_caps, $args['capabilities'] );
unset( $args['capabilities'] );
$args['object_type'] = array_unique( (array) $object_type );
// If not set, use the default meta box
if ( null === $args['meta_box_cb'] ) {
if ( $args['hierarchical'] ) {
$args['meta_box_cb'] = 'post_categories_meta_box';
} else {
$args['meta_box_cb'] = 'post_tags_meta_box';
}
}
foreach ( $args as $property_name => $property_value ) {
$this->$property_name = $property_value;
}
$this->labels = get_taxonomy_labels( $this );
$this->label = $this->labels->name;
}
/**
* Adds the necessary rewrite rules for the taxonomy.
*
* @since 4.7.0
* @access public
*
* @global WP $wp Current WordPress environment instance.
*/
public function add_rewrite_rules() {
/* @var WP $wp */
global $wp;
// Non-publicly queryable taxonomies should not register query vars, except in the admin.
if ( false !== $this->query_var && $wp ) {
$wp->add_query_var( $this->query_var );
}
if ( false !== $this->rewrite && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
if ( $this->hierarchical && $this->rewrite['hierarchical'] ) {
$tag = '(.+?)';
} else {
$tag = '([^/]+)';
}
add_rewrite_tag( "%$this->name%", $tag, $this->query_var ? "{$this->query_var}=" : "taxonomy=$this->name&term=" );
add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $this->rewrite );
}
}
/**
* Removes any rewrite rules, permastructs, and rules for the taxonomy.
*
* @since 4.7.0
* @access public
*
* @global WP $wp Current WordPress environment instance.
*/
public function remove_rewrite_rules() {
/* @var WP $wp */
global $wp;
// Remove query var.
if ( false !== $this->query_var ) {
$wp->remove_query_var( $this->query_var );
}
// Remove rewrite tags and permastructs.
if ( false !== $this->rewrite ) {
remove_rewrite_tag( "%$this->name%" );
remove_permastruct( $this->name );
}
}
/**
* Registers the ajax callback for the meta box.
*
* @since 4.7.0
* @access public
*/
public function add_hooks() {
add_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
}
/**
* Removes the ajax callback for the meta box.
*
* @since 4.7.0
* @access public
*/
public function remove_hooks() {
remove_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
}
}

6
wp-includes/class-wp-xmlrpc-server.php
View File

@ -717,9 +717,9 @@ class wp_xmlrpc_server extends IXR_Server {
*
* @since 3.4.0
*
* @param array $_taxonomy An array of taxonomy data.
* @param object $taxonomy Taxonomy object.
* @param array $fields The subset of taxonomy fields to return.
* @param array $_taxonomy An array of taxonomy data.
* @param WP_Taxonomy $taxonomy Taxonomy object.
* @param array $fields The subset of taxonomy fields to return.
*/
return apply_filters( 'xmlrpc_prepare_taxonomy', $_taxonomy, $taxonomy, $fields );
}

145
wp-includes/taxonomy.php
View File

@ -223,7 +223,7 @@ function get_object_taxonomies( $object, $output = 'names' ) {
* @global array $wp_taxonomies The registered taxonomies.
*
* @param string $taxonomy Name of taxonomy object to return.
* @return object|false The Taxonomy Object or false if $taxonomy doesn't exist.
* @return WP_Taxonomy|false The Taxonomy Object or false if $taxonomy doesn't exist.
*/
function get_taxonomy( $taxonomy ) {
global $wp_taxonomies;
@ -290,7 +290,6 @@ function is_taxonomy_hierarchical($taxonomy) {
* @since 4.5.0 Introduced `publicly_queryable` argument.
*
* @global array $wp_taxonomies Registered taxonomies.
* @global WP $wp WP instance.
*
* @param string $taxonomy Taxonomy key, must not exceed 32 characters.
* @param array|string $object_type Object type or array of object types with which the taxonomy should be associated.
@ -359,134 +358,25 @@ function is_taxonomy_hierarchical($taxonomy) {
* @return WP_Error|void WP_Error, if errors.
*/
function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
global $wp_taxonomies, $wp;
global $wp_taxonomies;
if ( ! is_array( $wp_taxonomies ) )
$wp_taxonomies = array();
$args = wp_parse_args( $args );
/**
* Filters the arguments for registering a taxonomy.
*
* @since 4.4.0
*
* @param array $args Array of arguments for registering a taxonomy.
* @param string $taxonomy Taxonomy key.
* @param array $object_type Array of names of object types for the taxonomy.
*/
$args = apply_filters( 'register_taxonomy_args', $args, $taxonomy, (array) $object_type );
$defaults = array(
'labels' => array(),
'description' => '',
'public' => true,
'publicly_queryable' => null,
'hierarchical' => false,
'show_ui' => null,
'show_in_menu' => null,
'show_in_nav_menus' => null,
'show_tagcloud' => null,
'show_in_quick_edit' => null,
'show_admin_column' => false,
'meta_box_cb' => null,
'capabilities' => array(),
'rewrite' => true,
'query_var' => $taxonomy,
'update_count_callback' => '',
'_builtin' => false,
);
$args = array_merge( $defaults, $args );
if ( empty( $taxonomy ) || strlen( $taxonomy ) > 32 ) {
_doing_it_wrong( __FUNCTION__, __( 'Taxonomy names must be between 1 and 32 characters in length.' ), '4.2.0' );
return new WP_Error( 'taxonomy_length_invalid', __( 'Taxonomy names must be between 1 and 32 characters in length.' ) );
}
// If not set, default to the setting for public.
if ( null === $args['publicly_queryable'] ) {
$args['publicly_queryable'] = $args['public'];
}
$taxonomy_object = new WP_Taxonomy( $taxonomy, $object_type, $args );
$taxonomy_object->add_rewrite_rules();
// Non-publicly queryable taxonomies should not register query vars, except in the admin.
if ( false !== $args['query_var'] && ( is_admin() || false !== $args['publicly_queryable'] ) && ! empty( $wp ) ) {
if ( true === $args['query_var'] )
$args['query_var'] = $taxonomy;
else
$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
$wp->add_query_var( $args['query_var'] );
} else {
// Force query_var to false for non-public taxonomies.
$args['query_var'] = false;
}
$wp_taxonomies[ $taxonomy ] = $taxonomy_object;
if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
$args['rewrite'] = wp_parse_args( $args['rewrite'], array(
'with_front' => true,
'hierarchical' => false,
'ep_mask' => EP_NONE,
) );
$taxonomy_object->add_hooks();
if ( empty( $args['rewrite']['slug'] ) )
$args['rewrite']['slug'] = sanitize_title_with_dashes( $taxonomy );
if ( $args['hierarchical'] && $args['rewrite']['hierarchical'] )
$tag = '(.+?)';
else
$tag = '([^/]+)';
add_rewrite_tag( "%$taxonomy%", $tag, $args['query_var'] ? "{$args['query_var']}=" : "taxonomy=$taxonomy&term=" );
add_permastruct( $taxonomy, "{$args['rewrite']['slug']}/%$taxonomy%", $args['rewrite'] );
}
// If not set, default to the setting for public.
if ( null === $args['show_ui'] )
$args['show_ui'] = $args['public'];
// If not set, default to the setting for show_ui.
if ( null === $args['show_in_menu' ] || ! $args['show_ui'] )
$args['show_in_menu' ] = $args['show_ui'];
// If not set, default to the setting for public.
if ( null === $args['show_in_nav_menus'] )
$args['show_in_nav_menus'] = $args['public'];
// If not set, default to the setting for show_ui.
if ( null === $args['show_tagcloud'] )
$args['show_tagcloud'] = $args['show_ui'];
// If not set, default to the setting for show_ui.
if ( null === $args['show_in_quick_edit'] ) {
$args['show_in_quick_edit'] = $args['show_ui'];
}
$default_caps = array(
'manage_terms' => 'manage_categories',
'edit_terms' => 'manage_categories',
'delete_terms' => 'manage_categories',
'assign_terms' => 'edit_posts',
);
$args['cap'] = (object) array_merge( $default_caps, $args['capabilities'] );
unset( $args['capabilities'] );
$args['name'] = $taxonomy;
$args['object_type'] = array_unique( (array) $object_type );
$args['labels'] = get_taxonomy_labels( (object) $args );
$args['label'] = $args['labels']->name;
// If not set, use the default meta box
if ( null === $args['meta_box_cb'] ) {
if ( $args['hierarchical'] )
$args['meta_box_cb'] = 'post_categories_meta_box';
else
$args['meta_box_cb'] = 'post_tags_meta_box';
}
$wp_taxonomies[ $taxonomy ] = (object) $args;
// Register callback handling for meta box.
add_filter( 'wp_ajax_add-' . $taxonomy, '_wp_ajax_add_hierarchical_term' );
/**
* Fires after a taxonomy is registered.
@ -518,28 +408,17 @@ function unregister_taxonomy( $taxonomy ) {
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
}
$taxonomy_args = get_taxonomy( $taxonomy );
$taxonomy_object = get_taxonomy( $taxonomy );
// Do not allow unregistering internal taxonomies.
if ( $taxonomy_args->_builtin ) {
if ( $taxonomy_object->_builtin ) {
return new WP_Error( 'invalid_taxonomy', __( 'Unregistering a built-in taxonomy is not allowed' ) );
}
global $wp, $wp_taxonomies;
global $wp_taxonomies;
// Remove query var.
if ( false !== $taxonomy_args->query_var ) {
$wp->remove_query_var( $taxonomy_args->query_var );
}
// Remove rewrite tags and permastructs.
if ( false !== $taxonomy_args->rewrite ) {
remove_rewrite_tag( "%$taxonomy%" );
remove_permastruct( $taxonomy );
}
// Unregister callback handling for meta box.
remove_filter( 'wp_ajax_add-' . $taxonomy, '_wp_ajax_add_hierarchical_term' );
$taxonomy_object->remove_rewrite_rules();
$taxonomy_object->remove_hooks();
// Remove the taxonomy.
unset( $wp_taxonomies[ $taxonomy ] );
@ -589,7 +468,7 @@ function unregister_taxonomy( $taxonomy ) {
* @since 4.3.0 Added the `no_terms` label.
* @since 4.4.0 Added the `items_list_navigation` and `items_list` labels.
*
* @param object $tax Taxonomy object.
* @param WP_Taxonomy $tax Taxonomy object.
* @return object object with all the labels as member variables.
*/
function get_taxonomy_labels( $tax ) {

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.7-alpha-38746';
$wp_version = '4.7-alpha-38747';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

1
wp-settings.php
View File

@ -187,6 +187,7 @@ require( ABSPATH . WPINC . '/cron.php' );
require( ABSPATH . WPINC . '/deprecated.php' );
require( ABSPATH . WPINC . '/script-loader.php' );
require( ABSPATH . WPINC . '/taxonomy.php' );
require( ABSPATH . WPINC . '/class-wp-taxonomy.php' );
require( ABSPATH . WPINC . '/class-wp-term.php' );
require( ABSPATH . WPINC . '/class-wp-term-query.php' );
require( ABSPATH . WPINC . '/class-wp-tax-query.php' );