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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 |
---|---|
2527 | $wpdb->update($wpdb->posts, array( 'to_ping' => '' ), array( 'ID' => $post->ID ) ); |
2528 | return; |
2529 | } |
2530 |
|
2531 | if ( empty($post->post_excerpt) ) { |
2532 | /** This filter is documented in wp-includes/post-template.php */ |
2533 | $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID ); |
2534 | } else { |
2535 | /** This filter is documented in wp-includes/post-template.php */ |
2536 | $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt ); |
2537 | } |
2538 |
|
2539 | $excerpt = str_replace(']]>', ']]>', $excerpt); |
2540 | $excerpt = wp_html_excerpt($excerpt, 252, '…'); |
2541 |
|
2542 | /** This filter is documented in wp-includes/post-template.php */ |
2543 | $post_title = apply_filters( 'the_title', $post->post_title, $post->ID ); |
2544 | $post_title = strip_tags($post_title); |
2545 |
|