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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 |
|---|---|
| 256 | $query_string = ''; |
| 257 | foreach ( $comment as $key => $data ) |
| 258 | $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; |
| 259 | |
| 260 | $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); |
| 261 | if ( 'true' == $response[1] ) { |
| 262 | add_filter('pre_comment_approved', create_function('$a', 'return \'spam\';')); |
| 263 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + 1 ); |
| 264 | |
| 265 | do_action( 'akismet_spam_caught' ); |
| 266 | |
| 267 | $post = get_post( $comment['comment_post_ID'] ); |
| 268 | $last_updated = strtotime( $post->post_modified_gmt ); |
| 269 | $diff = time() - $last_updated; |
| 270 | $diff = $diff / 86400; |
| 271 | |
| 272 | if ( $post->post_type == 'post' && $diff > 30 && get_option( 'akismet_discard_month' ) == 'true' ) |
| 273 | die; |
| 274 | } |