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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 |
---|---|
3756 | * Filters the short link anchor tag for a post. |
3757 | * |
3758 | * @since 3.0.0 |
3759 | * |
3760 | * @param string $link Shortlink anchor tag. |
3761 | * @param string $shortlink Shortlink URL. |
3762 | * @param string $text Shortlink's text. |
3763 | * @param string $title Shortlink's title attribute. |
3764 | */ |
3765 | $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); |
3766 | echo $before, $link, $after; |
3767 | } |
3768 | } |
3769 |
|
3770 |
|
3771 | /** |
3772 | * Retrieves the avatar URL. |
3773 | * |
3774 | * @since 4.2.0 |