Logs query data.

$query string Required

The query's SQL.

$query_time float Required

Total time spent on the query, in seconds.

$query_callstack string Required

Comma-separated list of the calling functions.

$query_start float Required

Unix timestamp of the time at the start of the query.

$query_data array Required

Custom query data.

File: wp-includes/class-wpdb.php. View all references

public function log_query( $query, $query_time, $query_callstack, $query_start, $query_data ) {
	/**
	 * Filters the custom data to log alongside a query.
	 *
	 * 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 array element.
	 *
	 * @since 5.3.0
	 *
	 * @param array  $query_data      Custom query data.
	 * @param string $query           The query's SQL.
	 * @param float  $query_time      Total time spent on the query, in seconds.
	 * @param string $query_callstack Comma-separated list of the calling functions.
	 * @param float  $query_start     Unix timestamp of the time at the start of the query.
	 */
	$query_data = apply_filters( 'log_query_custom_data', $query_data, $query, $query_time, $query_callstack, $query_start );

	$this->queries[] = array(
		$query,
		$query_time,
		$query_callstack,
		$query_start,
		$query_data,
	);
}