Definition
/**
* Transform a SQL query into an EXPLAIN query.
*
* Returns the modified SQL with EXPLAIN wrapped around it.
* Defaults to EXPLAIN ANALYZE with JSON format for easy parsing.
*
* @param string $sql The SQL query to explain
* @param null|ExplainConfig $config EXPLAIN configuration (defaults to forAnalysis())
*
* @return string The EXPLAIN query
*/
sql_to_explain(string $sql, ?ExplainConfig $config) : string