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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 |
|---|---|
| 2494 | $text = __('This is the short link.'); |
| 2495 | |
| 2496 | if ( empty( $title ) ) |
| 2497 | $title = the_title_attribute( array( 'echo' => false ) ); |
| 2498 | |
| 2499 | $shortlink = wp_get_shortlink( $post->ID ); |
| 2500 | |
| 2501 | if ( !empty( $shortlink ) ) { |
| 2502 | $link = '<a rel="shortlink" href="' . esc_url( $shortlink ) . '" title="' . $title . '">' . $text . '</a>'; |
| 2503 | $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); |
| 2504 | echo $before, $link, $after; |
| 2505 | } |
| 2506 | } |
| 2507 | |