<?php $start = microtime(true); // keep calling microtime for about 3 seconds while(microtime(true) - $start < 3) { } $data = getrusage(); echo "User time: ". ($data['ru_utime.tv_sec'] + $data['ru_utime.tv_usec'] / 1000000); echo "System time: ". ($data['ru_stime.tv_sec'] + $data['ru_stime.tv_usec'] / 1000000); /* prints User time: 1.088171 System time: 1.675315 */
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