mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-24 01:57:53 +01:00
cf1e3b0c40
Introduced in [42761]. Fixes #42742. Built from https://develop.svn.wordpress.org/trunk@44527 git-svn-id: http://core.svn.wordpress.org/trunk@44358 1a063a9b-81f0-0310-95a4-ce76da25c4cd
227 lines
4.8 KiB
PHP
227 lines
4.8 KiB
PHP
<?php
|
|
/**
|
|
* WordPress Error API.
|
|
*
|
|
* Contains the WP_Error class and the is_wp_error() function.
|
|
*
|
|
* @package WordPress
|
|
*/
|
|
|
|
/**
|
|
* WordPress Error class.
|
|
*
|
|
* Container for checking for WordPress errors and error messages. Return
|
|
* WP_Error and use is_wp_error() to check if this class is returned. Many
|
|
* core WordPress functions pass this class in the event of an error and
|
|
* if not handled properly will result in code errors.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
class WP_Error {
|
|
/**
|
|
* Stores the list of errors.
|
|
*
|
|
* @since 2.1.0
|
|
* @var array
|
|
*/
|
|
public $errors = array();
|
|
|
|
/**
|
|
* Stores the list of data for error codes.
|
|
*
|
|
* @since 2.1.0
|
|
* @var array
|
|
*/
|
|
public $error_data = array();
|
|
|
|
/**
|
|
* Initialize the error.
|
|
*
|
|
* If `$code` is empty, the other parameters will be ignored.
|
|
* When `$code` is not empty, `$message` will be used even if
|
|
* it is empty. The `$data` parameter will be used only if it
|
|
* is not empty.
|
|
*
|
|
* Though the class is constructed with a single error code and
|
|
* message, multiple codes can be added using the `add()` method.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $code Error code
|
|
* @param string $message Error message
|
|
* @param mixed $data Optional. Error data.
|
|
*/
|
|
public function __construct( $code = '', $message = '', $data = '' ) {
|
|
if ( empty( $code ) ) {
|
|
return;
|
|
}
|
|
|
|
$this->errors[ $code ][] = $message;
|
|
|
|
if ( ! empty( $data ) ) {
|
|
$this->error_data[ $code ] = $data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve all error codes.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @return array List of error codes, if available.
|
|
*/
|
|
public function get_error_codes() {
|
|
if ( ! $this->has_errors() ) {
|
|
return array();
|
|
}
|
|
|
|
return array_keys( $this->errors );
|
|
}
|
|
|
|
/**
|
|
* Retrieve first error code available.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @return string|int Empty string, if no error codes.
|
|
*/
|
|
public function get_error_code() {
|
|
$codes = $this->get_error_codes();
|
|
|
|
if ( empty( $codes ) ) {
|
|
return '';
|
|
}
|
|
|
|
return $codes[0];
|
|
}
|
|
|
|
/**
|
|
* Retrieve all error messages or error messages matching code.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $code Optional. Retrieve messages matching code, if exists.
|
|
* @return array Error strings on success, or empty array on failure (if using code parameter).
|
|
*/
|
|
public function get_error_messages( $code = '' ) {
|
|
// Return all messages if no code specified.
|
|
if ( empty( $code ) ) {
|
|
$all_messages = array();
|
|
foreach ( (array) $this->errors as $code => $messages ) {
|
|
$all_messages = array_merge( $all_messages, $messages );
|
|
}
|
|
|
|
return $all_messages;
|
|
}
|
|
|
|
if ( isset( $this->errors[ $code ] ) ) {
|
|
return $this->errors[ $code ];
|
|
} else {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get single error message.
|
|
*
|
|
* This will get the first message available for the code. If no code is
|
|
* given then the first code available will be used.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $code Optional. Error code to retrieve message.
|
|
* @return string
|
|
*/
|
|
public function get_error_message( $code = '' ) {
|
|
if ( empty( $code ) ) {
|
|
$code = $this->get_error_code();
|
|
}
|
|
$messages = $this->get_error_messages( $code );
|
|
if ( empty( $messages ) ) {
|
|
return '';
|
|
}
|
|
return $messages[0];
|
|
}
|
|
|
|
/**
|
|
* Retrieve error data for error code.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $code Optional. Error code.
|
|
* @return mixed Error data, if it exists.
|
|
*/
|
|
public function get_error_data( $code = '' ) {
|
|
if ( empty( $code ) ) {
|
|
$code = $this->get_error_code();
|
|
}
|
|
|
|
if ( isset( $this->error_data[ $code ] ) ) {
|
|
return $this->error_data[ $code ];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Verify if the instance contains errors.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function has_errors() {
|
|
if ( ! empty( $this->errors ) ) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Add an error or append additional message to an existing error.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $code Error code.
|
|
* @param string $message Error message.
|
|
* @param mixed $data Optional. Error data.
|
|
*/
|
|
public function add( $code, $message, $data = '' ) {
|
|
$this->errors[ $code ][] = $message;
|
|
if ( ! empty( $data ) ) {
|
|
$this->error_data[ $code ] = $data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add data for error code.
|
|
*
|
|
* The error code can only contain one error data.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param mixed $data Error data.
|
|
* @param string|int $code Error code.
|
|
*/
|
|
public function add_data( $data, $code = '' ) {
|
|
if ( empty( $code ) ) {
|
|
$code = $this->get_error_code();
|
|
}
|
|
|
|
$this->error_data[ $code ] = $data;
|
|
}
|
|
|
|
/**
|
|
* Removes the specified error.
|
|
*
|
|
* This function removes all error messages associated with the specified
|
|
* error code, along with any error data for that code.
|
|
*
|
|
* @since 4.1.0
|
|
*
|
|
* @param string|int $code Error code.
|
|
*/
|
|
public function remove( $code ) {
|
|
unset( $this->errors[ $code ] );
|
|
unset( $this->error_data[ $code ] );
|
|
}
|
|
}
|