How can microtime be used to calculate the duration of a PHP script execution and implement a delay before running the script again?

To calculate the duration of a PHP script execution using microtime, you can capture the start time at the beginning of the script and then calculate the difference between the start time and the current time at the end of the script. To implement a delay before running the script again, you can use the usleep() function to pause the execution for a specified number of microseconds.

// Capture the start time
$start_time = microtime(true);

// Your PHP script code goes here

// Calculate the duration of script execution
$end_time = microtime(true);
$duration = $end_time - $start_time;

// Implement a delay before running the script again
$delay = 1000000; // 1 second delay
usleep($delay);