PHP5.X主要版本性能比对测试

<span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">下图展示的是 PHP 不同版本的性能测试，用的是 bench.php 这个测试脚本（这个脚本从 PHP 5.1 开始就有了）。纵坐标是完成测试的时间，所以数字越小，成绩越好。

<span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">测试的大致步骤：

<span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">获取从 PHP 5.1 到 5.4 各个版本最新的代码 <span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">使用最基本的默认配置进行编译，不加任何扩展 <span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">运行 bench.php 10遍并收集数据 <span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">取平均值，并且使用 Google Chart 展示 <span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">原始数据如下：

<span class="Apple-style-span" style="text-align: left; widows: 2; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; font: 14px/24px 'microsoft yahei', 微软雅黑, verdana, lucida, arial, helvetica, 宋体, sans-serif; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"> 所以你可以看到的是，PHP 5.4 比之前的版本有明显的性能提升，还不升级吗？

PHP5.X主要版本性能比对测试

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