wordpress函数delete_user_meta()用法示例

delete_user_meta( int $user_id,  string $meta_key,  mixed $meta_value = '' )

Remove metadata matching criteria from a user.

描述

You can match based on the key, or key and value. Removing based on key and value, will keep from removing duplicate metadata with the same key. It also allows removing all metadata matching key, if needed.

参数

$user_id

(int)
(Required)
User ID

$meta_key

(string)
(Required)
Metadata name.

$meta_value

(mixed)
(Optional)
Metadata value.

Default value: ”

返回值

(bool) True on success, false on failure.

源代码

File: wp-includes/user.php

function delete_user_meta($user_id, $meta_key, $meta_value = '') {
	return delete_metadata('user', $user_id, $meta_key, $meta_value);
}

更新日志

相关函数

Uses

• wp-includes/meta.php:
  delete_metadata()

Used By

• wp-includes/class-wp-user-meta-session-tokens.php:
  WP_User_Meta_Session_Tokens::update_sessions()
• wp-admin/includes/ms.php:
  send_confirmation_on_profile_email()
• wp-includes/class-wp-user.php:
  WP_User::remove_all_caps()
• wp-includes/user.php:
  delete_user_option()

User Contributed Notes

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   Contributed by Codex

   Basic Example

   
   <?php
   if ( ! delete_user_meta($user_id, '_province') ) {
     echo "Ooops! Error while deleting this information!";
   }
   ?>