Function Reference/get user id from string

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includeonlydiv style=clear:both; background-color:#FFFFFF; border:1px solid #FFFFFF; color:#c00; padding:7px; margin:0.5em auto 0.5em auto; vertical-align:middle;This function has been deprecated. That means it has been replaced by a new function or is no longer supported, and may be removed from future versions. All code that uses this function should be converted to use its replacement if one exists. See also onlyincludecodewp-includes/deprecated.php/code/onlyinclude

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Template Description

Link to the source code on http://core.trac.wordpress.org/browser/.

Parameters

  1. filename
  2. (option) path to codetag/code (version) or codetrunk/code. This option is only used for a new function.br /Default: codetrunk/code -- trunk is the latest bleeding edge development version of WordPress.

Usage

Link to the stable version: pre检查到模板循环:模板:Trac/pre

Link to trunk: pre检查到模板循环:模板:Trac/pre

/div

wordpress.org.cn./div/includeonlynoinclude

Description

This Template is used by Codex:Template Messages.

Usage

pre 检查到模板循环:模板:Message /pre

Result

检查到模板循环:模板:Message

/noinclude


Description

Get a numeric user ID from either an email address or a login. If a number is sent to the function, that number is returned as the id.

Usage

%%%<?php get_user_id_from_string( $string ); ?>%%%

Parameters

tt$string/tt
(string) (required) String representation of the user to lookup the ID for. May be either the user's login (their username), or the email address registered in WordPress. A numeric string is considered to be an existing user ID and is simply returned as such.
Default: Nonenoinclude

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Notes

This template is for standardizing how parameters look in the Function Reference and in Template Tags. Here is an example of this template being called: prenowiki检查到模板循环:模板:Parameter/nowiki/pre 检查到模板循环:模板:Parameter

The usage of this template is below: prenowiki检查到模板循环:模板:Parameter/nowiki/pre Let's take a closer look at the parameters..

name
The name of the parameter.
datatype
The datatype that should be given for this parameter when called.
  • string
  • integer
  • boolean
  • mixed
description
A short description of the parameter.
importance
Set this parameter to optional if the parameter is optional. Otherwise, do not declare this parameter—it defaults to required.
  • required
  • optional
default
If this parameter is optional, ttdefault/tt is the value that will be used if the parameter is not declared.

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Return Values

tt/tt
tt style=color:gray@return/tt (int) tt style=color:blue/tt: ID of the user specified by $string on success, null if no user is found.noinclude

div class=template-description style=padding: 0 1.5em; border: 1px solid #eeeeee; background-color: #f9f9f9

Description

This template is for standardizing how return values look in the Function Reference and in Template Tags.

Parameters

(1|param|param)
Return param or value (also can be: null, void...).
(2|datatype|datatype)
Datatype of return value.
(3|description|description)
Description of return value.

Usage

prenowiki检查到模板循环:模板:Return/nowiki/pre

Example

prenowiki检查到模板循环:模板:Return/nowiki/pre

Output

检查到模板循环:模板:Return /div /noinclude

Source File

get_user_id_from_string() is located in onlyincludecodewp-includes/ms-functions.php/code/onlyinclude

div class=template-description style=padding: 0 1.5em; border: 1px solid #eeeeee; background-color: #f9f9f9

Template Description

Link to the source code on http://core.trac.wordpress.org/browser/.

Parameters

  1. filename
  2. (option) path to codetag/code (version) or codetrunk/code. This option is only used for a new function.br /Default: codetrunk/code -- trunk is the latest bleeding edge development version of WordPress.

Usage

Link to the stable version: pre检查到模板循环:模板:Trac/pre

Link to trunk: pre检查到模板循环:模板:Trac/pre

/div

wordpress.org.cn

Change Log

  • Since @WPMU
  • Deprecated 3.6.0