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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 |
|---|---|
| 1958 | * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
| 1959 | * @return string Admin url link with optional path appended |
| 1960 | */ |
| 1961 | function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) { |
| 1962 | $url = get_site_url($blog_id, 'wp-admin/', $scheme); |
| 1963 | |
| 1964 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
| 1965 | $url .= ltrim($path, '/'); |
| 1966 | |
| 1967 | return apply_filters('admin_url', $url, $path, $blog_id); |
| 1968 | } |
| 1969 | |
| 1970 | /** |
| 1971 | * Retrieve the url to the includes directory. |
| 1972 | * |
| 1973 | * @package WordPress |
| 1974 | * @since 2.6.0 |
| 1975 | * |
| 1976 | * @param string $path Optional. Path relative to the includes url. |