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solidad

Hello; I have a class store in app/classes/myhtml.php the contents:
namespace ClassName;
Class myhtml () {
...
} I will call this class in my view app/view/site.php $val = new ClassName_myhtml(); I get this error ErrorException [ Error ]: Class 'ClassName_myhtml' not found What could be the problem?

WanWizard

You haven't read the documentation on how namespaces and classnames work, and how the autoloader interacts with it. For the application, app/classes is the classes root. So classes in there are defined in the global namespace, and without a prefix. For a class in app/classes/example/test.php, you can choose to call it "Example_Test" in the global namespace, or "Test" in the namespace "Example". You can test if your class can be found using the following trick:
- take the namespace and the classname together ( in the example \Example\Test )
- replace all "\" and "_" by the directory separator ( example is now "/Example/Test" )
- convert to lower case ( example is now "/example/test" )
- class should be defined in app/classes/example/test.php

solidad

What should I change in the example given above? Sorry, your explanation isn't clear enough for me to understand. Since my example has a namespace then it should work in these circumstances? $val = new /ClassName/myhtml();
$val = new ClassName_myhtml();
$val = new \ClassName\myhtml();
$val = new /classname/myhtml();

WanWizard

Your file is in app/classes. It therefore can NOT have a namespace. If you want the class in app, AND you want the namespace, it should be

// namespaces uses backslashes, check the PHP documentation
$val = new \Classname\Myhtml(); // both namespaces and classes should be used ucfirst()

which whould map to

<?php
namespace Classname;

class Myhtml {}

in a file called app/classes/classname/myhtml.php (all lowercase).

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