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php优化代码的方式

WBOY
Release： 2016-06-23 13:38:14
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1.使用zend optimizer
方法在php.ini添加
zend_optimization_level=15
zned_extendsion="path/to/zendOptimizer.so"
zend_loader.enable=off


注意只有当不适用zend　Enocder Runtime 的时候才能把zend_loader关掉


最后一行的作用：不执行zend_loader可以稍微加快Opimizer的速度。


2.使用缓存(程序规模很大)
Zend cache,  Afterburner Cache,  apc


3.网页压缩内容
gzip压缩网页


4.小技巧：
用i +=1 代替 i = i+1;
尽可能使用PHP内部函数
能使用单引号的字符串时尽量使用单引号字符串
foreach代替while遍历数组

数据库方面：
提高数据库的性能
升级服务器或者建一个负载平衡环境
不要小看内容压缩的作用

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