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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 |
---|---|
1659 | * |
1660 | * @since 5.4.0 |
1661 | */ |
1662 | function do_favicon() { |
1663 | /** |
1664 | * Fires when serving the favicon.ico file. |
1665 | * |
1666 | * @since 5.4.0 |
1667 | */ |
1668 | do_action( 'do_faviconico' ); |
1669 |
|
1670 | wp_redirect( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ); |
1671 | exit; |
1672 | } |
1673 |
|
1674 | /** |
1675 | * Determines whether WordPress is already installed. |
1676 | * |
1677 | * The cache will be checked first. If you have a cache plugin, which saves |