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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 |
|---|---|
| 53 | $result = $wpdb->query($sql); |
| 54 | $post_ID = $wpdb->insert_id; |
| 55 | |
| 56 | // Set GUID |
| 57 | $wpdb->query("UPDATE $wpdb->posts SET guid = '" . get_permalink($post_ID) . "' WHERE ID = '$post_ID'"); |
| 58 | |
| 59 | wp_set_post_cats('', $post_ID, $post_category); |
| 60 | |
| 61 | if ($post_status == 'publish') { |
| 62 | do_action('publish_post', $post_ID); |
| 63 | } |
| 64 | |
| 65 | pingback($content, $post_ID); |
| 66 | |
| 67 | // Return insert_id if we got a good result, otherwise return zero. |
| 68 | return $result ? $post_ID : 0; |
| 69 | } |
| 70 | |
| 71 | function wp_get_single_post($postid = 0, $mode = OBJECT) { |