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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 |
---|---|
205 | // Everyone else's comments will be checked. |
206 | if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) |
207 | $approved = 1; |
208 | else |
209 | $approved = 0; |
210 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) |
211 | $approved = 'spam'; |
212 | } |
213 |
|
214 | $approved = apply_filters('pre_comment_approved', $approved); |
215 | return $approved; |
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); |