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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 |
---|---|
3628 | /** |
3629 | * Filters the admin URL for the current site or network depending on context. |
3630 | * |
3631 | * @since 4.9.0 |
3632 | * |
3633 | * @param string $url The complete URL including scheme and path. |
3634 | * @param string $path Path relative to the URL. Blank string if no path is specified. |
3635 | * @param string $scheme The scheme to use. |
3636 | */ |
3637 | return apply_filters( 'self_admin_url', $url, $path, $scheme ); |
3638 | } |
3639 |
|
3640 | /** |
3641 | * Sets the scheme for a URL. |
3642 | * |
3643 | * @since 3.4.0 |
3644 | * @since 4.4.0 The 'rest' scheme was added. |
3645 | * |
3646 | * @param string $url Absolute URL that includes a scheme |