PHP修行之横垄地拉车,一步一个坎。。。
PHP include 和 require
通过include和require语句,可以将PHP文件插入另一个PHP文件(在服务器执行之前)
require 会生成致命错误(E_COMPILE_ERROR)并停止脚本,include 只生成警告(E_WARNING),并且脚本会继续
require和include加不加括号问题
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Foreach
foreach(arr as $value)
foreach(arr as $key=> $value){
echo $key.' , '.$value ' ';
}
命名空间nameplace
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关于__construct和__autoload
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