This file is a demonestration for PHP Coding Standareds of WNeeds Ltd.

Editor.php

<?php

/*
 * This file is a demonestration for PHP Coding Standareds of WNeeds Ltd.  
 *
 * (c) WNeeds Ltd. <anis@wneeds.com>
 */

namespace Wneeds;

/**
 * Coding standards demonstration.
 */
class Editor
{
    const LE_UNIX = 'unix';
    const LE_WIN = 'windows';

    private $_sourceCode;

    /**
     * @var \Wneeds\One\Another
     */
    protected $_anotherVar;

    /**
     * @param string $_sourceCode Some argument description
     */
    public function __construct($sourceCodeFile)
    {
        $this->_sourceCode = $this->_readContent($sourceCodeFile);
    }

    /**
     * @param string $sourceCodeFile Some argument description
     * @param array $options List of allowed options
     *
     * @return string|null Transformed source code file
     */
    private function _readContent($sourceCodeFile, $options = array())
    {
        $mergedOptions = array_merge(
            $options,
            array(
                'language' => 'php',
                'file_ending' => $this::LE_UNIX,
            )
        );

        if (true === $this::LE_UNIX) {
            // So something to read file
        }

        // Not real, just to show convensions
        if ('string' == $sourceCodeFile) {
            if ('values' == $mergedOptions['some_default']) {
                $sourceCodeFile = substr($sourceCodeFile, 0, 5);
            } else {
                $sourceCodeFile = ucwords($sourceCodeFile);
            }
        } else {
            throw new \RuntimeException(sprintf('Unrecognized $sourceCodeFile option "%s"', $sourceCodeFile));
        }

        return $sourceCodeFile;
    }
}