What are best practices for logging and analyzing PHP script execution times?

To log and analyze PHP script execution times, it is best practice to use a combination of built-in functions like microtime() to measure the start and end time of the script, calculate the execution time, and then log this information to a file or database for analysis. Additionally, using a profiling tool like Xdebug can provide more detailed insights into script performance.

// Start time
$start_time = microtime(true);

// Your PHP script code here

// End time
$end_time = microtime(true);

// Calculate execution time
$execution_time = $end_time - $start_time;

// Log execution time to a file
$log_message = "Script executed in " . $execution_time . " seconds";
file_put_contents('execution_log.txt', $log_message . PHP_EOL, FILE_APPEND);