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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 375 | if ( ! empty($meta['thumb']) ) { |
| 376 | // Don't delete the thumb if another attachment uses it |
| 377 | if (! $foo = $wpdb->get_row("SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE '%".$wpdb->escape($meta['thumb'])."%' AND post_id <> '$postid'")) |
| 378 | @ unlink(str_replace(basename($file), $meta['thumb'], $file)); |
| 379 | } |
| 380 | |
| 381 | if ( ! empty($file) ) |
| 382 | @ unlink($file); |
| 383 | |
| 384 | do_action('delete_attachment', $postid); |
| 385 | |
| 386 | return $post; |
| 387 | } |
| 388 | |
| 389 | function wp_get_single_post($postid = 0, $mode = OBJECT) { |
| 390 | global $wpdb; |
| 391 | |
| 392 | $post = get_post($postid, $mode); |
| 393 | |