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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 |
|---|---|
| 374 | |
| 375 | $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); |
| 376 | do_action( 'akismet_comment_check_response', $response ); |
| 377 | akismet_update_alert( $response ); |
| 378 | $commentdata['akismet_result'] = $response[1]; |
| 379 | if ( 'true' == $response[1] ) { |
| 380 | // akismet_spam_count will be incremented later by akismet_result_spam() |
| 381 | add_filter('pre_comment_approved', 'akismet_result_spam'); |
| 382 | |
| 383 | do_action( 'akismet_spam_caught' ); |
| 384 | |
| 385 | $last_updated = strtotime( $post->post_modified_gmt ); |
| 386 | $diff = time() - $last_updated; |
| 387 | $diff = $diff / 86400; |
| 388 | |
| 389 | if ( $post->post_type == 'post' && $diff > 30 && get_option( 'akismet_discard_month' ) == 'true' && empty($comment['user_ID']) ) { |
| 390 | // akismet_result_spam() won't be called so bump the counter here |
| 391 | if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
| 392 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |