gistfile1.txt

	public function getPhpPath()
	{
		if ($this->phpPath === null)
		{
			if (isset($this->superglobals->_SERVER['_']) === true)
			{
				$this->setPhpPath($this->superglobals->_SERVER['_']);
			}
			else
			{
				if (DIRECTORY_SEPARATOR === '/')
				{
					$phpPath = PHP_BINDIR . '/php';
				}
				else
				{
					$phpPath = getenv('PHP_PEAR_PHP_BIN');

					if ($phpPath === false)
					{
						$phpPath = getenv('PHPBIN');
					}
				}

				if ($this->adapter->is_executable($phpPath) === false)
				{
					throw new exceptions\runtime('Unable to find PHP executable');
				}

				$this->setPhpPath($phpPath);
			}
		}

		return $this->phpPath;
	}