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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 |
|---|---|
| 216 | } |
| 217 | |
| 218 | function check_comment_flood_db( $ip, $email, $date ) { |
| 219 | global $wpdb; |
| 220 | if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$ip' OR comment_author_email = '$email' ORDER BY comment_date DESC LIMIT 1") ) { |
| 221 | $time_lastcomment = mysql2date('U', $lasttime); |
| 222 | $time_newcomment = mysql2date('U', $date); |
| 223 | $flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment); |
| 224 | if ( $flood_die ) { |
| 225 | do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment); |
| 226 | wp_die( __('You are posting comments too quickly. Slow down.') ); |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) { |
| 232 | global $wpdb; |
| 233 | |
| 234 | do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent); |