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|
<?php
namespace PicoDb;
/**
* Class UrlParser
*
* @package PicoDb
* @author Frederic Guillot
*/
class UrlParser
{
/**
* URL
*
* @access private
* @var string
*/
private $url;
/**
* Constructor
*
* @access public
* @param string $environmentVariable
*/
public function __construct($environmentVariable = 'DATABASE_URL')
{
$this->url = getenv($environmentVariable);
}
/**
* Get object instance
*
* @access public
* @param string $environmentVariable
* @return static
*/
public static function getInstance($environmentVariable = 'DATABASE_URL')
{
return new static($environmentVariable);
}
/**
* Return true if the variable is defined
*
* @access public
* @return bool
*/
public function isEnvironmentVariableDefined()
{
return ! empty($this->url);
}
/**
* Get settings from URL
*
* @access public
* @param string $url
* @return array
*/
public function getSettings($url = '')
{
$url = $url ?: $this->url;
$components = parse_url($url);
if ($components === false) {
return array();
}
return array(
'driver' => $this->getUrlComponent($components, 'scheme'),
'username' => $this->getUrlComponent($components, 'user'),
'password' => $this->getUrlComponent($components, 'pass'),
'hostname' => $this->getUrlComponent($components, 'host'),
'port' => $this->getUrlComponent($components, 'port'),
'database' => ltrim($this->getUrlComponent($components, 'path'), '/'),
);
}
/**
* Get URL component
*
* @access private
* @param array $components
* @param string $component
* @return mixed|null
*/
private function getUrlComponent(array $components, $component)
{
return ! empty($components[$component]) ? $components[$component] : null;
}
}
|
