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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 |
|---|---|
| 181 | // Send to moderation. |
| 182 | self::$last_comment_result = '0'; |
| 183 | } |
| 184 | else if ( 'true' == $response[1] ) { |
| 185 | // akismet_spam_count will be incremented later by comment_is_spam() |
| 186 | self::$last_comment_result = 'spam'; |
| 187 | |
| 188 | $discard = ( isset( $commentdata['akismet_pro_tip'] ) && $commentdata['akismet_pro_tip'] === 'discard' && self::allow_discard() ); |
| 189 | |
| 190 | do_action( 'akismet_spam_caught', $discard ); |
| 191 | |
| 192 | if ( $discard ) { |
| 193 | // akismet_result_spam() won't be called so bump the counter here |
| 194 | if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
| 195 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
| 196 | // The spam is obvious, so we're bailing out early. Redirect back to the previous page, |
| 197 | // or failing that, the post permalink, or failing that, the homepage of the blog. |
| 198 | $redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : ( $post ? get_permalink( $post ) : home_url() ); |
| 199 | wp_safe_redirect( esc_url_raw( $redirect_to ) ); |