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This article introduces you how to achieve class automatic loading mechanism in PHP, the content is very detailed, interested friends can refer to, hope to be helpful to you.

Include catalog

Application/controllers

Application/models

Application/libs

Code implementation

/ / include directory

$include_dir = [

'application/controllers'

'application/models'

'application/libs'

]

/ / set the include directory

Set_include_path (get_include_path (). PATH_SEPARATOR .implode (PATH_SEPARATOR, $include_dir))

/ * *

* automatically load class libraries

* @ param string $class class name

, /

Function auto_load_class ($class ='')

{

/ / it can be extended here, and the default is to convert the class name to lowercase.

/ / Extensible direction: folder _ class name

$path = strtolower ($class). '.class.php'

Include_once ($path)

}

Spl_autoload_register ('auto_load_class'); / / automatic loading of spl registration

$obj = new class name (); / / instantiate

$obj- > method name ()

When multiple directories are specified and files with the same name are specified, those under the top directory shall prevail.

On how to achieve automatic class loading mechanism in PHP to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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