An example of the coding standards by AnomalyLabs.

coding-standards-example.php

<?php namespace Acme;

/**
 * Class FooBar
 *
 * @link          http://anomaly.is/foo-bar
 * @author        AnomalyLabs, Inc. <hello@anomaly.is>
 * @author        Ryan Thompson <ryan@anomaly.is>
 * @package       Acme
 */
class FooBar
{

    /**
     * The foo value.
     *
     * @var int
     */
    protected $foo = 20;

    /**
     * The bar value.
     *
     * @var int
     */
    protected $bar;

    /**
     * Create a new FooBar instance.
     *
     * @param string $bar
     */
    public function __construct($bar)
    {
        $this->bar = $bar;
    }

    /**
     * Do something awesome.
     *
     * @param string $dummy
     * @param array  $options
     * @return string|null
     * @throws \Exception
     */
    public function awesome($dummy, array $options = [])
    {
        $mergedOptions = array_merge(
            [
                'some_default'    => 'values',
                'another_default' => 'more values',
            ],
            $options
        );

        if ($dummy === true) {
            return 'wowzers';
        }

        if ($dummy === 'something') {
            
            if ($mergedOptions['some_default'] === 'values') {
                return substr($dummy, 0, 5);
            }

            return ucwords($dummy);
        }

        throw new \Exception(sprintf('Unrecognized dummy option "%s"', $dummy));
    }
}