- var_dump: documentation ( source)
- time_nanosleep: documentation ( source)
- pow: documentation ( source)
<?php
$milliseconds = 1000;
var_dump($milliseconds);
$conversionResult = $milliseconds * pow( 10, 6 );
var_dump($conversionResult);
var_dump(PHP_INT_MAX);
time_nanosleep(0, $conversionResult);