/**
* Sets the step based on a few checks
*
* @return void
*/
private function setStep()
{
// fetch step
$step = isset($_GET['step']) ? (int) $_GET['step'] : 1;
if ($step !== 1) {
// invalid requirements, so force step 2
if (!InstallerStep2::checkRequirements()) {
$step = 2;
}
}
// installer step class exists
if (class_exists('InstallerStep' . $step)) {
// isAllowed exists
if (is_callable(array('InstallerStep' . $step, 'isAllowed'))) {
// step is actually allowed
if (call_user_func(array('InstallerStep' . $step, 'isAllowed'))) {
// step has been validated
$this->step = $step;
// step out
return;
}
}
}
// fallback
$this->step = 1;
}
/**
* Is this step allowed.
*
* @return bool
*/
public static function isAllowed()
{
return InstallerStep2::isAllowed() && InstallerStep2::checkRequirements();
}
/**
* Execute this step
*/
public function execute()
{
// init vars
self::$variables = array();
// head
self::$variables['head'] = file_get_contents('layout/templates/head.tpl');
self::$variables['foot'] = file_get_contents('layout/templates/foot.tpl');
// next step
self::$variables['step3'] = 'index.php?step=3';
// check requirements
self::checkRequirements();
// get template contents
$tpl = file_get_contents('layout/templates/step_2.tpl');
// has errors
if (in_array(self::STATUS_ERROR, self::$variables)) {
self::$variables[self::STATUS_ERROR] = true;
} elseif (in_array(self::STATUS_WARNING, self::$variables)) {
self::$variables[self::STATUS_WARNING] = true;
} else {
header('Location: ' . self::$variables['step3']);
exit;
}
// set paths for template
self::$variables['PATH_WWW'] = defined('PATH_WWW') ? PATH_WWW : '<unknown>';
self::$variables['PATH_LIBRARY'] = defined('PATH_LIBRARY') ? PATH_LIBRARY : '<unknown>';
// build the search & replace array
$search = array_keys(self::$variables);
$replace = array_values(self::$variables);
// loop search values
foreach ($search as $key => $value) {
// parse variables
$tpl = str_replace('{$' . $value . '}', $replace[$key], $tpl);
// assign options
$tpl = preg_replace('/\\{option:\\!(' . $value . ')\\}(.*?)\\{\\/option:\\!\\1\\}/is', !$replace[$key] ? '\\2' : '', $tpl);
$tpl = preg_replace('/\\{option:(' . $value . ')\\}(.*?)\\{\\/option:\\1\\}/is', $replace[$key] ? '\\2' : '', $tpl);
}
// assign leftover options
$tpl = preg_replace('/\\{option:!(.*?)\\}(.*?)\\{\\/option:!\\1\\}/is', '\\2', $tpl);
$tpl = preg_replace('/\\{option:(.*?)\\}(.*?)\\{\\/option:\\1\\}/is', '', $tpl);
// ignore comments
$tpl = preg_replace('/\\{\\*(?!.*?\\{\\*).*?\\*\\}/s', '', $tpl);
// show output
echo $tpl;
// stop the script
exit;
}
/**
* Validates the previous steps
*/
private function validateForm()
{
return InstallerStep2::isAllowed() && InstallerStep3::isAllowed() && InstallerStep4::isAllowed() && InstallerStep5::isAllowed();
}