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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 192 | $response = explode( "\r\n\r\n", $response, 2 ); |
| 193 | } |
| 194 | return $response; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | // filter handler used to return a spam result to pre_comment_approved |
| 199 | function akismet_result_spam( $approved ) { |
| 200 | // bump the counter here instead of when the filter is added to reduce the possibility of overcounting |
| 201 | if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
| 202 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
| 203 | // this is a one-shot deal |
| 204 | remove_filter( 'pre_comment_approved', 'akismet_result_spam' ); |
| 205 | return 'spam'; |
| 206 | } |
| 207 | |
| 208 | function akismet_result_hold( $approved ) { |
| 209 | // once only |
| 210 | remove_filter( 'pre_comment_approved', 'akismet_result_hold' ); |
| Line | Code |
| 378 | |
| 379 | do_action( 'akismet_spam_caught' ); |
| 380 | |
| 381 | $last_updated = strtotime( $post->post_modified_gmt ); |
| 382 | $diff = time() - $last_updated; |
| 383 | $diff = $diff / 86400; |
| 384 | |
| 385 | if ( $post->post_type == 'post' && $diff > 30 && get_option( 'akismet_discard_month' ) == 'true' && empty($comment['user_ID']) ) { |
| 386 | // akismet_result_spam() won't be called so bump the counter here |
| 387 | if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
| 388 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
| 389 | wp_safe_redirect( $_SERVER['HTTP_REFERER'] ); |
| 390 | die(); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | // if the response is neither true nor false, hold the comment for moderation and schedule a recheck |
| 395 | if ( 'true' != $response[1] && 'false' != $response[1] ) { |
| 396 | if ( !current_user_can('moderate_comments') ) { |