Serialize Benchmark.php

<?php
function rand_str($length = 32, $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890')
{
	// Length of character list
	$chars_length = (strlen($chars) - 1);

	// Start our string
	$string = $chars{rand(0, $chars_length)};
   
	// Generate random string
	for ($i = 1; $i < $length; $i = strlen($string))
	{
		// Grab a random character from our list
		$r = $chars{rand(0, $chars_length)};
	   
		// Make sure the same two characters don't appear next to each other
		if ($r != $string{$i - 1}) $string .=  $r;
	}
   
	// Return the string
	return $string;
}

$cycles = 10000;

$a = $endTime = array();
for($i=0;$i<=1000;$i++){
	array_push($a, rand(0, 10000));
	array_push($a, rand_str());
}

shuffle($a);


$b = array();
$time = microtime(true);

for($i=0;$i<=$cycles;$i++){
	$b = serialize($a);
}
$endTime['serialize'] = microtime(true) - $time;


$b = array();
$time = microtime(true);

for($i=0;$i<=$cycles;$i++){
	$b = json_encode($a);
}
$endTime['json'] = microtime(true) - $time;


$b = array();
$time = microtime(true);

for($i=0;$i<=$cycles;$i++){
	$b = print_r($a, true);
}
$endTime['print_r'] = microtime(true) - $time;

var_dump($endTime);
?>