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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 |
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255 |
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256 | public static function delete_old_comments() { |
257 | global $wpdb; |
258 |
|
259 | /** |
260 | * Determines how many comments will be deleted in each batch. |
261 | * |
262 | * @param int The default, as defined by AKISMET_DELETE_LIMIT. |
263 | */ |
264 | $delete_limit = apply_filters( 'akismet_delete_comment_limit', defined( 'AKISMET_DELETE_LIMIT' ) ? AKISMET_DELETE_LIMIT : 10000 ); |
265 | $delete_limit = max( 1, intval( $delete_limit ) ); |
266 |
|
267 | /** |
268 | * Determines how many days a comment will be left in the Spam queue before being deleted. |
269 | * |
270 | * @param int The default number of days. |
271 | */ |
272 | $delete_interval = apply_filters( 'akismet_delete_comment_interval', 15 ); |
273 | $delete_interval = max( 1, intval( $delete_interval ) ); |