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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 |
|---|---|
| 1334 | |
| 1335 | return $meta_value; |
| 1336 | } |
| 1337 | |
| 1338 | public static function predefined_api_key() { |
| 1339 | if ( defined( 'WPCOM_API_KEY' ) ) { |
| 1340 | return true; |
| 1341 | } |
| 1342 | |
| 1343 | return apply_filters( 'akismet_predefined_api_key', false ); |
| 1344 | } |
| 1345 | } |
| 1346 | |