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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 |
|---|---|
| 127 | if ( isset( $response[0]['x-akismet-pro-tip'] ) ) |
| 128 | $commentdata['akismet_pro_tip'] = $response[0]['x-akismet-pro-tip']; |
| 129 | |
| 130 | if ( 'true' == $response[1] ) { |
| 131 | // akismet_spam_count will be incremented later by comment_is_spam() |
| 132 | self::$last_comment_result = 'spam'; |
| 133 | |
| 134 | $discard = ( isset( $commentdata['akismet_pro_tip'] ) && $commentdata['akismet_pro_tip'] === 'discard' && self::allow_discard() ); |
| 135 | |
| 136 | do_action( 'akismet_spam_caught', $discard ); |
| 137 | |
| 138 | if ( $discard ) { |
| 139 | // akismet_result_spam() won't be called so bump the counter here |
| 140 | if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
| 141 | update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
| 142 | $redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : get_permalink( $post ); |
| 143 | wp_safe_redirect( esc_url_raw( $redirect_to ) ); |
| 144 | die(); |
| 145 | } |