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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 |
|---|---|
| 1014 | |
| 1015 | /** |
| 1016 | * Log debugging info to the error log. |
| 1017 | * |
| 1018 | * Enabled when WP_DEBUG_LOG is enabled, but can be disabled via the akismet_debug_log filter. |
| 1019 | * |
| 1020 | * @param mixed $akismet_debug The data to log. |
| 1021 | */ |
| 1022 | public static function log( $akismet_debug ) { |
| 1023 | if ( apply_filters( 'akismet_debug_log', defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) ) { |
| 1024 | error_log( print_r( compact( 'akismet_debug' ), true ) ); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | public static function pre_check_pingback( $method ) { |
| 1029 | if ( $method !== 'pingback.ping' ) |
| 1030 | return; |
| 1031 | |
| 1032 | global $wp_xmlrpc_server; |