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run code in 300+ PHP versions simultaneously
<?php $milliseconds = 1000; var_dump($milliseconds); $conversionResult = $milliseconds * pow( 10, 6 ); var_dump($conversionResult); var_dump(PHP_INT_MAX); time_nanosleep(0, $conversionResult);

preferences:
33.92 ms | 402 KiB | 5 Q