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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 |
---|---|
546 | * Filters the HTML link to the Registration or Admin page. |
547 | * |
548 | * Users are sent to the admin page if logged-in, or the registration page |
549 | * if enabled and logged-out. |
550 | * |
551 | * @since 1.5.0 |
552 | * |
553 | * @param string $link The HTML code for the link to the Registration or Admin page. |
554 | */ |
555 | $link = apply_filters( 'register', $link ); |
556 |
|
557 | if ( $echo ) { |
558 | echo $link; |
559 | } else { |
560 | return $link; |
561 | } |
562 | } |
563 |
|
564 | /** |