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General inline documentation improvements in wp-includes/post.php. 

First-run. See #25412.

Built from https://develop.svn.wordpress.org/trunk@29090


git-svn-id: http://core.svn.wordpress.org/trunk@28876 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2014-07-11 07:01:14 +00:00
parent 6d67479072
commit 4cf4a6b866
1 changed files with 152 additions and 80 deletions
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226
wp-includes/post.php
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@ -181,12 +181,12 @@ add_action( 'init', 'create_initial_post_types', 0 ); // highest priority
* @since 2.0.0 * @since 2.0.0
* *
* @param int $attachment_id Attachment ID. * @param int $attachment_id Attachment ID.
* @param bool $unfiltered Whether to apply filters. * @param bool $unfiltered Optional. Whether to apply filters. Default false.
* @return string|bool The file path to where the attached file should be, false otherwise. * @return string|bool The file path to where the attached file should be, false otherwise.
*/ */
function get_attached_file( $attachment_id, $unfiltered = false ) { function get_attached_file( $attachment_id, $unfiltered = false ) {
$file = get_post_meta( $attachment_id, '_wp_attached_file', true ); $file = get_post_meta( $attachment_id, '_wp_attached_file', true );
// If the file is relative, prepend upload dir // If the file is relative, prepend upload dir.
if ( $file && 0 !== strpos($file, '/') && !preg_match('|^.:\\\|', $file) && ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) ) if ( $file && 0 !== strpos($file, '/') && !preg_match('|^.:\\\|', $file) && ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) )
$file = $uploads['basedir'] . "/$file"; $file = $uploads['basedir'] . "/$file";
if ( $unfiltered ) if ( $unfiltered )
@ -211,8 +211,8 @@ function get_attached_file( $attachment_id, $unfiltered = false ) {
* *
* @since 2.1.0 * @since 2.1.0
* *
* @param int $attachment_id Attachment ID * @param int $attachment_id Attachment ID.
* @param string $file File path for the attachment * @param string $file File path for the attachment.
* @return bool True on success, false on failure. * @return bool True on success, false on failure.
*/ */
function update_attached_file( $attachment_id, $file ) { function update_attached_file( $attachment_id, $file ) {
@ -242,8 +242,8 @@ function update_attached_file( $attachment_id, $file ) {
* *
* @since 2.9.0 * @since 2.9.0
* *
* @param string $path Full path to the file * @param string $path Full path to the file.
* @return string relative path on success, unchanged path on failure. * @return string Relative path on success, unchanged path on failure.
*/ */
function _wp_relative_upload_path( $path ) { function _wp_relative_upload_path( $path ) {
$new_path = $path; $new_path = $path;
@ -304,17 +304,18 @@ function _wp_relative_upload_path( $path ) {
* post types are 'post', 'pages', and 'attachments'. The 'post_status' * post types are 'post', 'pages', and 'attachments'. The 'post_status'
* argument will accept any post status within the write administration panels. * argument will accept any post status within the write administration panels.
* *
* @see get_posts() Has additional arguments that can be replaced.
* @internal Claims made in the long description might be inaccurate. * @internal Claims made in the long description might be inaccurate.
*
* @since 2.0.0 * @since 2.0.0
* *
* @param mixed $args Optional. User defined arguments for replacing the defaults. * @see get_posts() Has additional arguments that can be replaced.
* @param string $output Optional. Constant for return type, either OBJECT (default), ARRAY_A, ARRAY_N. *
* @param mixed $args Optional. User defined arguments for replacing the defaults. Default empty.
* @param string $output Optional. Constant for return type. Accepts OBJECT, ARRAY_A, ARRAY_N.
* Default OBJECt.
* @return array Array of children, where the type of each element is determined by $output parameter. * @return array Array of children, where the type of each element is determined by $output parameter.
* Empty array on failure. * Empty array on failure.
*/ */
function get_children($args = '', $output = OBJECT) { function get_children( $args = '', $output = OBJECT ) {
$kids = array(); $kids = array();
if ( empty( $args ) ) { if ( empty( $args ) ) {
if ( isset( $GLOBALS['post'] ) ) { if ( isset( $GLOBALS['post'] ) ) {
@ -379,8 +380,8 @@ function get_children($args = '', $output = OBJECT) {
* @param string $post Post content. * @param string $post Post content.
* @return array Post before ('main'), after ('extended'), and custom readmore ('more_text'). * @return array Post before ('main'), after ('extended'), and custom readmore ('more_text').
*/ */
function get_extended($post) { function get_extended( $post ) {
//Match the new style more links //Match the new style more links.
if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) { if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) {
list($main, $extended) = explode($matches[0], $post, 2); list($main, $extended) = explode($matches[0], $post, 2);
$more_text = $matches[1]; $more_text = $matches[1];
@ -405,12 +406,15 @@ function get_extended($post) {
* $post, must be given as a variable, since it is passed by reference. * $post, must be given as a variable, since it is passed by reference.
* *
* @since 1.5.1 * @since 1.5.1
* @link http://codex.wordpress.org/Function_Reference/get_post
* *
* @param int|WP_Post $post Optional. Post ID or post object. * @see http://codex.wordpress.org/Function_Reference/get_post
* @param string $output Optional, default is Object. Either OBJECT, ARRAY_A, or ARRAY_N. *
* @param string $filter Optional, default is raw. * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post.
* @return WP_Post|null WP_Post on success or null on failure * @param string $output Optional, default is Object. Accepts OBJECT, ARRAY_A, or ARRAY_N.
* Default OBJECT.
* @param string $filter Optional. Type of filter to apply. Accepts 'raw', 'edit', 'db',
* or 'display'. Default 'raw'.
* @return WP_Post|null WP_Post on success or null on failure.
*/ */
function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) { function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
if ( empty( $post ) && isset( $GLOBALS['post'] ) ) if ( empty( $post ) && isset( $GLOBALS['post'] ) )
@ -627,6 +631,15 @@ final class WP_Post {
*/ */
public $filter; public $filter;
/**
* Retrieve WP_Post instance.
*
* @static
* @access public
*
* @param int $post_id Post ID.
* @return WP_Post|bool Post object, false otherwise.
*/
public static function get_instance( $post_id ) { public static function get_instance( $post_id ) {
global $wpdb; global $wpdb;
@ -651,11 +664,22 @@ final class WP_Post {
return new WP_Post( $_post ); return new WP_Post( $_post );
} }
/**
* Constructor.
*
* @param WP_Post $post Post object.
*/
public function __construct( $post ) { public function __construct( $post ) {
foreach ( get_object_vars( $post ) as $key => $value ) foreach ( get_object_vars( $post ) as $key => $value )
$this->$key = $value; $this->$key = $value;
} }
/**
* Isset-er.
*
* @param string $key Property to check if set.
* @return bool
*/
public function __isset( $key ) { public function __isset( $key ) {
if ( 'ancestors' == $key ) if ( 'ancestors' == $key )
return true; return true;
@ -672,6 +696,12 @@ final class WP_Post {
return metadata_exists( 'post', $this->ID, $key ); return metadata_exists( 'post', $this->ID, $key );
} }
/**
* Getter.
*
* @param string $key Key to get.
* @return array|mixed
*/
public function __get( $key ) { public function __get( $key ) {
if ( 'page_template' == $key && $this->__isset( $key ) ) { if ( 'page_template' == $key && $this->__isset( $key ) ) {
return get_post_meta( $this->ID, '_wp_page_template', true ); return get_post_meta( $this->ID, '_wp_page_template', true );
@ -697,8 +727,7 @@ final class WP_Post {
return wp_list_pluck( $terms, 'name' ); return wp_list_pluck( $terms, 'name' );
} }
// Rest of the values need filtering // Rest of the values need filtering.
if ( 'ancestors' == $key ) if ( 'ancestors' == $key )
$value = get_post_ancestors( $this ); $value = get_post_ancestors( $this );
else else
@ -710,6 +739,12 @@ final class WP_Post {
return $value; return $value;
} }
/**
* {@Missing Summary}
*
* @param string $filter Filter.
* @return $this|array|bool|object|WP_Post
*/
public function filter( $filter ) { public function filter( $filter ) {
if ( $this->filter == $filter ) if ( $this->filter == $filter )
return $this; return $this;
@ -720,6 +755,11 @@ final class WP_Post {
return sanitize_post( $this, $filter ); return sanitize_post( $this, $filter );
} }
/**
* Convert object to array.
*
* @return array Object as array.
*/
public function to_array() { public function to_array() {
$post = get_object_vars( $this ); $post = get_object_vars( $this );
@ -771,11 +811,13 @@ function get_post_ancestors( $post ) {
* supported values are found within those functions. * supported values are found within those functions.
* *
* @since 2.3.0 * @since 2.3.0
* @uses sanitize_post_field() See for possible $context values. *
* @see sanitize_post_field()
* *
* @param string $field Post field name. * @param string $field Post field name.
* @param int|WP_Post $post Post ID or post object. * @param int|WP_Post $post Post ID or post object.
* @param string $context Optional. How to filter the field. Default is 'display'. * @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db',
* or 'display'. Default 'display'.
* @return string The value of the post field on success, empty string on failure. * @return string The value of the post field on success, empty string on failure.
*/ */
function get_post_field( $field, $post, $context = 'display' ) { function get_post_field( $field, $post, $context = 'display' ) {
@ -798,10 +840,10 @@ function get_post_field( $field, $post, $context = 'display' ) {
* *
* @since 2.0.0 * @since 2.0.0
* *
* @param int|WP_Post $ID Optional. Post ID or post object. * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
* @return string|bool The mime type on success, false on failure. * @return string|bool The mime type on success, false on failure.
*/ */
function get_post_mime_type($ID = '') { function get_post_mime_type( $ID = '' ) {
$post = get_post($ID); $post = get_post($ID);
if ( is_object($post) ) if ( is_object($post) )
@ -818,10 +860,10 @@ function get_post_mime_type($ID = '') {
* *
* @since 2.0.0 * @since 2.0.0
* *
* @param int|WP_Post $ID Optional. Post ID or post object. * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
* @return string|bool Post status on success, false on failure. * @return string|bool Post status on success, false on failure.
*/ */
function get_post_status($ID = '') { function get_post_status( $ID = '' ) {
$post = get_post($ID); $post = get_post($ID);
if ( !is_object($post) ) if ( !is_object($post) )
@ -862,10 +904,10 @@ function get_post_status($ID = '') {
*/ */
function get_post_statuses() { function get_post_statuses() {
$status = array( $status = array(
'draft' => __('Draft'), 'draft' => __( 'Draft' ),
'pending' => __('Pending Review'), 'pending' => __( 'Pending Review' ),
'private' => __('Private'), 'private' => __( 'Private' ),
'publish' => __('Published') 'publish' => __( 'Published' )
); );
return $status; return $status;
@ -883,9 +925,9 @@ function get_post_statuses() {
*/ */
function get_page_statuses() { function get_page_statuses() {
$status = array( $status = array(
'draft' => __('Draft'), 'draft' => __( 'Draft' ),
'private' => __('Private'), 'private' => __( 'Private' ),
'publish' => __('Published') 'publish' => __( 'Published' )
); );
return $status; return $status;
@ -898,25 +940,42 @@ function get_page_statuses() {
* parameters given. The function will accept an array (second optional * parameters given. The function will accept an array (second optional
* parameter), along with a string for the post status name. * parameter), along with a string for the post status name.
* *
*
* Optional $args contents:
*
* label - A descriptive name for the post status marked for translation. Defaults to $post_status.
* public - Whether posts of this status should be shown in the front end of the site. Defaults to true.
* exclude_from_search - Whether to exclude posts with this post status from search results. Defaults to false.
* show_in_admin_all_list - Whether to include posts in the edit listing for their post type
* show_in_admin_status_list - Show in the list of statuses with post counts at the top of the edit
* listings, e.g. All (12) | Published (9) | My Custom Status (2) ...
*
* Arguments prefixed with an _underscore shouldn't be used by plugins and themes. * Arguments prefixed with an _underscore shouldn't be used by plugins and themes.
* *
* @since 3.0.0 * @since 3.0.0
* @uses $wp_post_statuses Inserts new post status object into the list * @uses $wp_post_statuses Inserts new post status object into the list
* *
* @param string $post_status Name of the post status. * @param string $post_status Name of the post status.
* @param array|string $args See above description. * @param array|string $args {
* Optional. Array or string of post status arguments.
*
* @type bool|string $label A descriptive name for the post status marked
* for translation. Defaults to value of $post_status.
* @type bool|array $label_count Descriptive text to use for nooped plurals.
* Default array of $label, twice
* @type bool $exclude_from_search Whether to exclude posts with this post status
* from search results. Default is value of $internal.
* @type bool $_builtin Whether the status is built-in. Core-use only.
* Default false.
* @type bool $public Whether posts of this status should be shown
* in the front end of the site. Default true.
* @type bool $internal Whether the status is for internal use only.
* Default false.
* @type bool $protected Whether posts with this status should be protected.
* Default false.
* @type bool $private Whether posts with this status should be private.
* Default false.
* @type bool $publicly_queryable Whether posts with this status should be publicly-
* queryable. Default is value of $public.
* @type bool $show_in_admin_all_list Whether to include posts in the edit listing for
* their post type. Default is value of $internal.
* @type bool $show_in_admin_status_list Show in the list of statuses with post counts at
* the top of the edit listings,
* e.g. All (12) | Published (9) | My Custom Status (2)
* Default is value of $internal.
* }
*/ */
function register_post_status($post_status, $args = array()) { function register_post_status( $post_status, $args = array() ) {
global $wp_post_statuses; global $wp_post_statuses;
if (!is_array($wp_post_statuses)) if (!is_array($wp_post_statuses))
@ -942,6 +1001,7 @@ function register_post_status($post_status, $args = array()) {
$post_status = sanitize_key($post_status); $post_status = sanitize_key($post_status);
$args->name = $post_status; $args->name = $post_status;
// Set various defaults.
if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private ) if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private )
$args->internal = true; $args->internal = true;
@ -981,15 +1041,16 @@ function register_post_status($post_status, $args = array()) {
} }
/** /**
* Retrieve a post status object by name * Retrieve a post status object by name.
* *
* @since 3.0.0 * @since 3.0.0
* @uses $wp_post_statuses
* @see register_post_status
* @see get_post_statuses
* *
* @param string $post_status The name of a registered post status * @global array $wp_post_statuses List of post statuses.
* @return object A post status object *
* @see register_post_status()
*
* @param string $post_status The name of a registered post status.
* @return object A post status object.
*/ */
function get_post_status_object( $post_status ) { function get_post_status_object( $post_status ) {
global $wp_post_statuses; global $wp_post_statuses;
@ -1004,15 +1065,18 @@ function get_post_status_object( $post_status ) {
* Get a list of all registered post status objects. * Get a list of all registered post status objects.
* *
* @since 3.0.0 * @since 3.0.0
* @uses $wp_post_statuses
* @see register_post_status
* @see get_post_status_object
* *
* @param array|string $args An array of key => value arguments to match against the post status objects. * @global array $wp_post_statuses List of post statuses.
* @param string $output The type of output to return, either post status 'names' or 'objects'. 'names' is the default. *
* @param string $operator The logical operation to perform. 'or' means only one element * @see register_post_status()
* from the array needs to match; 'and' means all elements must match. The default is 'and'. *
* @return array A list of post status names or objects * @param array|string $args Optional. Array or string of post status arguments. Default array.
* @param string $output Optional. The type of output to return. Accepts post status 'names'
* or 'objects'. Default 'names'.
* @param string $operator Optional. The logical operation to perform. 'or' means only one element
* from the array needs to match; 'and' means all elements must match.
* Default 'and'.
* @return array A list of post status names or objects.
*/ */
function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) { function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) {
global $wp_post_statuses; global $wp_post_statuses;
@ -1028,7 +1092,8 @@ function get_post_stati( $args = array(), $output = 'names', $operator = 'and' )
* A false return value might also mean that the post type does not exist. * A false return value might also mean that the post type does not exist.
* *
* @since 3.0.0 * @since 3.0.0
* @see get_post_type_object *
* @see get_post_type_object()
* *
* @param string $post_type Post type name * @param string $post_type Post type name
* @return bool Whether post type is hierarchical. * @return bool Whether post type is hierarchical.
@ -1042,12 +1107,13 @@ function is_post_type_hierarchical( $post_type ) {
} }
/** /**
* Checks if a post type is registered. * Check if a post type is registered.
* *
* @since 3.0.0 * @since 3.0.0
* @uses get_post_type_object()
* *
* @param string $post_type Post type name * @see get_post_type_object()
*
* @param string $post_type Post type name.
* @return bool Whether post type is registered. * @return bool Whether post type is registered.
*/ */
function post_type_exists( $post_type ) { function post_type_exists( $post_type ) {
@ -1059,7 +1125,7 @@ function post_type_exists( $post_type ) {
* *
* @since 2.1.0 * @since 2.1.0
* *
* @param int|WP_Post $post Optional. Post ID or post object. * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
* @return string|bool Post type on success, false on failure. * @return string|bool Post type on success, false on failure.
*/ */
function get_post_type( $post = null ) { function get_post_type( $post = null ) {
@ -1070,15 +1136,16 @@ function get_post_type( $post = null ) {
} }
/** /**
* Retrieve a post type object by name * Retrieve a post type object by name.
* *
* @since 3.0.0 * @since 3.0.0
* @uses $wp_post_types
* @see register_post_type
* @see get_post_types
* *
* @param string $post_type The name of a registered post type * @global array $wp_post_types List of post types.
* @return object A post type object *
* @see register_post_type()
*
* @param string $post_type The name of a registered post type.
* @return object A post type object.
*/ */
function get_post_type_object( $post_type ) { function get_post_type_object( $post_type ) {
global $wp_post_types; global $wp_post_types;
@ -1093,14 +1160,19 @@ function get_post_type_object( $post_type ) {
* Get a list of all registered post type objects. * Get a list of all registered post type objects.
* *
* @since 2.9.0 * @since 2.9.0
* @uses $wp_post_types
* @see register_post_type
* *
* @param array|string $args An array of key => value arguments to match against the post type objects. * @global array $wp_post_types List of post types.
* @param string $output The type of output to return, either post type 'names' or 'objects'. 'names' is the default. *
* @param string $operator The logical operation to perform. 'or' means only one element * @see register_post_type()
* from the array needs to match; 'and' means all elements must match. The default is 'and'. *
* @return array A list of post type names or objects * @param array|string $args Optional. An array of key => value arguments to match against
* the post type objects. Default empty array.
* @param string $output Optional. The type of output to return. Accepts post type 'names'
* or 'objects'. Default 'names'.
* @param string $operator Optaionl. The logical operation to perform. 'or' means only one
* element from the array needs to match; 'and' means all elements
* must match. Default 'and'.
* @return array A list of post type names or objects.
*/ */
function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) { function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) {
global $wp_post_types; global $wp_post_types;