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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 |
|---|---|
| 352 | // Merge old and new fields with new fields overwriting old ones. |
| 353 | $linkdata = array_merge($link, $linkdata); |
| 354 | |
| 355 | return wp_insert_link($linkdata); |
| 356 | } |
| 357 | |
| 358 | function wp_delete_link($link_id) { |
| 359 | global $wpdb; |
| 360 | |
| 361 | do_action('delete_link', $link_id); |
| 362 | return $wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'"); |
| 363 | } |
| 364 | |
| 365 | function post_exists($title, $content = '', $post_date = '') { |
| 366 | global $wpdb; |
| 367 | |
| 368 | if (!empty ($post_date)) |
| 369 | $post_date = "AND post_date = '$post_date'"; |
| 370 | |