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sandacn/i_plus_plus_test.php

Created April 16, 2011 09:13
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## 测试到底是i++ 快还是 ++i快
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i_plus_plus_test.php
<?php
## 测试到底是i++ 快还是 ++i快
$MAX = 1000000;
$start_ts = microtime(true);
for ($i = 0; $i < $MAX; $i++) {
$a = 1;
}
$end_ts = microtime(true);
var_dump($end_ts - $start_ts);
$start_ts = microtime(true);
for ($i = 0; $i < $MAX; ++$i) {
$a = 1;
}
$end_ts = microtime(true);
var_dump($end_ts - $start_ts);
?>
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