site_url( string $path = '', string $scheme = null )

Retrieves the URL for the current site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.

Description Description

Returns the ‘site_url’ option with the appropriate protocol, ‘https’ if is_ssl() and ‘http’ otherwise. If $scheme is ‘http’ or ‘https’, is_ssl() is overridden.

Parameters Parameters


(string) (Optional) Path relative to the site URL.

Default value: ''


(string) (Optional) Scheme to give the site URL context. See set_url_scheme().

Default value: null

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Return Return

(string) Site URL link with optional path appended.

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Source Source

File: wp-includes/link-template.php

function site_url( $path = '', $scheme = null ) {
	return get_site_url( null, $path, $scheme );

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Changelog Changelog

Version Description
3.0.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    Contributed by Codex


    $url = site_url();
    echo $url;

    Output: or

    (Note the lack of a trailing slash)

    $url = site_url( '/secrets/', 'https' );
    echo $url;

    Output: or

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