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性能优化之PHP优化

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Release： 2016-06-23 13:28:26
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1.压力测试ab的使用学习
使用的软件和使用的命令，这是linux下的命令

request per second 要竟可能的大 实现大并发
time per second 的时间要竟可能小，小表示可以更快速进行反馈

2.php的语言级优化
php语言要先转化成为c语言，然后c再转化为汇编，所以尽量多的使用php自带的语言对性能有很大的提升。

1）代码冗余较多，可读性不佳，性能低
为什么性能低：php需要解释为底层语言，底层语言编译成汇编语言，每次都是处理一遍，开销大。
推荐多使用php内置的常亮，内置的变量，内置的函数。

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性能优化之PHP优化
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