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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 |
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290 | WHERE link_id='$link_id'"); |
291 | } else { |
292 | $wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_category, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_category', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')"); |
293 | $link_id = $wpdb->insert_id; |
294 | } |
295 | |
296 | if ( $update ) |
297 | do_action('edit_link', $link_id); |
298 | else |
299 | do_action('add_link', $link_id); |
300 |
|
301 | return $link_id; |
302 | } |
303 |
|
304 | function wp_update_link($linkdata) { |
305 | global $wpdb; |
306 |
|
307 | $link_id = (int) $linkdata['link_id']; |
308 | |