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Class names should be CamelCased. Only a single class should appear in a file. Class file names should correlate to the class name, be lowercase, and use underscores to separate words. Class constructors should be named using the __construct() magic method.

<?php
// Class name starts with a lower case letter
class myClass {
    // Constructor should be named __construct()
    public function myClass() {
    }
}
?>

<?php 
class MyClass {
    public function __construct() {
    }
}
?>

Methods

Method names should begin with a lowercase letter and be camelCased. Type hinting should be used whenever possible, but must conform to PHP 5.1 syntax (i.e. only objects and arrays may be defined using type hints).

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/**
 * This is a doc DocBlockblock comment 
 */ 
function foo() {

}

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