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get_user_id_from_string › WordPress Function

Since
Deprecated3.6.0
› get_user_id_from_string ( $email_or_login )
Parameters:
  • (string) $email_or_login Either an email address or a login.
    Required: Yes
See:
Returns:
  • (int)
Defined at:
Codex:
Change Log:
  • MU

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

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


Related Functions: get_user_setting, get_post_format_string, get_post_format_strings, get_user_option, set_user_setting

Source 

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

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

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