Question

Warning: This function has been deprecated. Use get_user_by() instead.

get_user_id_from_string( string $string )

Get a numeric user ID from either an email address or a login.

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description

A numeric string is considered to be an existing user ID and is simply returned as such.

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参数

$string

(string) (Required) Either an email address or a login.

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返回值

(int)

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源代码

File: wp-includes/ms-deprecated.php

function get_user_id_from_string( $string ) {
	_deprecated_function( __FUNCTION__, '3.6.0', 'get_user_by()' );

	if ( is_email( $string ) )
		$user = get_user_by( 'email', $string );
	elseif ( is_numeric( $string ) )
		return $string;
	else
		$user = get_user_by( 'login', $string );

	if ( $user )
		return $user->ID;
	return 0;
}

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更新日志

Version	description
3.6.0	Use get_user_by()
MU	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: is_email()
• wp-includes/pluggable.php: get_user_by()
• wp-includes/functions.php: _deprecated_function()

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User Contributed Notes