在php __autoload()中将CamelCase转换为under_score_case [英] Convert CamelCase to under_score_case in php __autoload()

问题描述

PHP手册建议自动加载类似

PHP manual suggests to autoload classes like

function __autoload($class_name){
 require_once("some_dir/".$class_name.".php");
}

，这种方法可以很好地加载保存在文件my_dir/FooClass.php中的类FooClass，如

and this approach works fine to load class FooClass saved in the file my_dir/FooClass.php like

class FooClass{
  //some implementation
}

问题

如何使用_autoload()功能并访问保存在文件my_dir/foo_class.php中的FooClass?

How can I make it possible to use _autoload() function and access FooClass saved in the file my_dir/foo_class.php?

推荐答案

您可以像这样转换类名...

You could convert the class name like this...

function __autoload($class_name){
    $name = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $class_name));
    require_once("some_dir/".$name.".php");
}

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