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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
1752 | else |
1753 | $scheme = ( is_ssl() ? 'https' : 'http' ); |
1754 | } |
1755 |
|
1756 | $url = str_replace( 'http://', "{$scheme}://", get_option('siteurl') ); |
1757 |
|
1758 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
1759 | $url .= '/' . ltrim($path, '/'); |
1760 |
|
1761 | return apply_filters('site_url', $url, $path, $orig_scheme); |
1762 | } |
1763 |
|
1764 | /** |
1765 | * Retrieve the url to the admin area. |
1766 | * |
1767 | * @package WordPress |
1768 | * @since 2.6.0 |
1769 | * |
1770 | * @param string $path Optional path relative to the admin url |