JStringTest.php

	public function testParse_Url()
	{
		$url = 'http://localhost/joomla_development/j16_trunk/administrator/index.php?option=com_contact&view=contact&layout=edit&id=5';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		$url = 'http://joomla.org/mytestpath/È';
		$expected = parse_url($url);
		// Fix up path for UTF-8 characters
		$expected['path'] = '/mytestpath/È';
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test special characters in URL
		$url = 'http://mydomain.com/!*\'();:@&=+$,/?%#[]';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test rawurlencode in query
		$url = 'http://a.com/b.php?retUrl='.rawurlencode('http://a.com/b.php?a=123&b=456');
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test fragment
		$url = 'http://example.com/test# _22';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test password
		$url = 'ftp://user:abcé@example.com/';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test utf-8 in vars
		$url = 'http://a.com/?a=é';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test chinese
		$url = 'http://mydomain.com/path/道';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');

		// Test wrong url
		$url = 'http://example.com:###';
		$expected = parse_url($url);
		$actual = JString::parse_url($url);
		$this->assertEquals($expected, $actual, 'Line: ' . __LINE__ . ' Results should be equal');
	}

string.php

	public static function parse_url($url)
	{
		$result = array();

		// Build arrays of values we need to decode before parsing
		$entities = array('%3A', '%40', '%26', '%3D', '%2F', '%3F', '%23', '%5B', '%5D');
		$replacements = array(":", "@", "&", "=", "/", "?", "#", "[", "]");

		// Create encoded URL with special URL characters decoded so it can be parsed
		// All other characters will be encoded
		$encodedURL = str_replace($entities, $replacements, urlencode($url));

		// Parse the encoded URL
		$encodedParts = parse_url($encodedURL);

		// Now, decode each value of the resulting array
		foreach ($encodedParts as $key => $value)
		{
			$result[$key] = urldecode($value);
		}

		return $result;
	}