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filter is not described

log_query_custom_data filter-hook . WP 5.3.0

Filters the custom query data being logged.

Caution should be used when modifying any of this data, it is recommended that any additional information you need to store about a query be added as a new associative entry to the fourth element $query_data.


add_filter( 'log_query_custom_data', 'filter_function_name_8570', 10, 5 );
function filter_function_name_8570( $query_data, $query, $query_time, $query_callstack, $query_start ){
	// filter...

	return $query_data;
Custom query data.
The query's SQL.
Total time spent on the query, in seconds.
Comma separated list of the calling functions.
Unix timestamp of the time at the start of the query.


Since 5.3.0 Introduced.

Where the hook is called

wp-includes/wp-db.php 2069
$query_data = apply_filters( 'log_query_custom_data', $query_data, $query, $query_time, $query_callstack, $query_start );

Where in WP core the hook is used

Usage not found!