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