Component for Yii for rendering configuration files.

ConfigRenderer.php

<?php

class ConfigRenderer extends CComponent
{
    /**
     * @var string
     */
    public $tab = '    ';

    /**
     * @param $array
     * @return string
     */
    public function render($array)
    {
        return "<?php\nreturn " . $this->renderArray($array) . ";\n";
    }

    /**
     * @param $array
     * @param int $depth
     * @param bool $newLine
     * @return string
     */
    protected function renderArray($array, $depth = 0, $newLine = true)
    {
        $output = '';
        if ($newLine) {
            $output .= $this->indent($depth);
        }
        $output .= "array(\n";
        foreach ($array as $key => $value) {
            if (is_string($key)) {
                $output .= $this->renderAssoc($key, $value, $depth + 1);
            } else {
                $output .= $this->renderValue($value, $depth + 1);
            }
            $output .= "\n";
        }
        return $output . $this->indent($depth) . ')';
    }

    /**
     * @param $key
     * @param $value
     * @param $depth
     * @return string
     */
    protected function renderAssoc($key, $value, $depth)
    {
        return $this->renderKey($key, $depth) . ' => ' . $this->renderValue($value, $depth, false);
    }

    /**
     * @param $key
     * @param $depth
     * @return string
     */
    protected function renderKey($key, $depth)
    {
        return $this->indent($depth) . $this->quote($key);
    }

    /**
     * @param $value
     * @param $depth
     * @param bool $newLine
     * @return string
     */
    protected function renderValue($value, $depth, $newLine = true)
    {
        $output = '';
        if ($newLine) {
            $output .= $this->indent($depth);
        }
        if (is_array($value)) {
            $output .= $this->renderArray($value, $depth, false);
        } else {
            $output .= $this->quote($value);
        }
        return $output;
    }

    /**
     * @param $string
     * @return string
     */
    protected function quote($string)
    {
        return "'" . $string . "'";
    }

    /**
     * @param $depth
     * @return string
     */
    protected function indent($depth)
    {
        return str_repeat($this->tab, $depth);
    }
}