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filter is not described

pre_comment_approved filter-hook . WP 2.1.0

Filters a comment's approval status before it is set.

Usage

add_filter( 'pre_comment_approved', 'filter_function_name_7785', 10, 2 );
function filter_function_name_7785( $approved, $commentdata ){
	// filter...

	return $approved;
}
$approved(int/string/WP_Error)
The approval status. Accepts 1, 0, 'spam', 'trash', or WP_Error.
$commentdata(array)
Comment data.

Changelog

Since 2.1.0 Introduced.
Since 4.9.0 Returning a WP_Error value from the filter will shortcircuit comment insertion and allow skipping further processing.

Where the hook is called

wp_allow_comment()
pre_comment_approved
wp-includes/comment.php 827
return apply_filters( 'pre_comment_approved', $approved, $commentdata );

Where in WP core the hook is used

Usage not found!