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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 |
|---|---|
| 2464 | $text = __('This is the short link.'); |
| 2465 | |
| 2466 | if ( empty( $title ) ) |
| 2467 | $title = the_title_attribute( array( 'echo' => FALSE ) ); |
| 2468 | |
| 2469 | $shortlink = wp_get_shortlink( $post->ID ); |
| 2470 | |
| 2471 | if ( !empty( $shortlink ) ) { |
| 2472 | $link = '<a rel="shortlink" href="' . esc_url( $shortlink ) . '" title="' . $title . '">' . $text . '</a>'; |
| 2473 | $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); |
| 2474 | echo $before, $link, $after; |
| 2475 | } |
| 2476 | } |
| 2477 | |
| 2478 | ?> |
| 2479 | |