Benchmark One - High
4.9915907600001 - 8500 cycles
Benchmark Two - High
8.15478044 - 8500 cycles
Benchmark One - Low
5.8668526900001 - 8500 cycles
Benchmark Two - Low
8.96663835 - 8500 cycles
Current Benchmark
<?php
$f = file_get_contents('test1.txt');
$a = unserialize($f);
$a = $a + $a;
echo $a;
?>
vs.
<?php
include 'test2.txt';
$a = $a + $a;
echo $a;
?>
Conclusion
After an average of 8500 cycles, the fastest option is Benchmark 1!
<?php
$f = file_get_contents('test1.txt');
$a = unserialize($f);
$a = $a + $a;
echo $a;
?>