Simple benchmark-base for use in any simple benchmarking task

benchmark_base.php

<?php
/**
 * Simple benchmark-base for use in any simple benchmarking task.
 * Use at terminal as $php benchmark_base.php
 * For more complex or memory usage, see
 *      http://php.net/manual/en/ref.xhprof.php
 *      http://php.net/manual/en/function.set-time-limit.php
 *      http://php.net/manual/en/features.gc.performance-considerations.php
 * From https://gist.github.com/ppKrauss/4cd3c9a5f7cec89be68e
 */


// CONFIGURATIONS:
$BENCH_PRECICION = 3;  // number of digits after the decimal point of secounds counter. 
$BENCH_N         = 5;  // number of loops in the execution test.

$time_start = microtime(true); // unix-time-stamp in seconds, with microseconds.
for($BENCH_I=0; $BENCH_I<$BENCH_N; $BENCH_I++):

	// #### !!COPY/PASTE YOR CODE HERE!!  ####
	sleep(1); // test delay of 1 second
	// #### #### #### #### #### #### #### ####

endfor;

// REPORT:
$time_diff = microtime(true) - (float) $time_start; // ellapsed time in seconds
$time_diff_all = round($time_diff,$BENCH_PRECICION); // seconds
$time_diff_each = $time_diff/$BENCH_N; // seconds

echo "\nExecution total time of $BENCH_N loops: $time_diff_all seconds";
echo "\nAveraged execution time of each loop: $time_diff_each seconds\n";

?>