serialize2

<?php
//PHP設定
ini_set('memory_limit', '-1');
ini_set("max_execution_time", "180");
//ディレクトリ設定
$dir = dirname( __FILE__ );
$rsb_filename = $dir."/s_big_data";
$wsb_filename = $dir."/s_big_data";
//初期化
$dl_list = array();
$line_buff = "";
$time = array();
$time[] = microtime(true);
if(file_exists($rsb_filename)){
	$dl_list_serial = file_get_contents($rsb_filename);
	$time_05 = microtime(true);
	$dl_list = unserialize($dl_list_serial);
}
$time[] = microtime(true);

file_put_contents($wsb_filename,serialize($dl_list));

$time[] = microtime(true);

print "\n s_big time \n";
var_dump($time);
print "\n all:".($time[2]-$time[0]);
print "\n read:".($time[1]-$time[0]);
print "\n file_get_contents:".($time_05-$time[0]);
print "\n unserialize:".($time[1]-$time_05);
print "\n write:".($time[2]-$time[1]);

?>