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<?php |
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namespace alkemann\h2l\response; |
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use alkemann\h2l\exceptions\InvalidUrl; |
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use alkemann\h2l\exceptions\ConfigMissing; |
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use alkemann\h2l\Log; |
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use alkemann\h2l\Request; |
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use alkemann\h2l\Response; |
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use alkemann\h2l\Environment; |
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/** |
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* Class Page |
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* |
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* @package alkemann\h2l |
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*/ |
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class Page extends Response |
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{ |
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/** |
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* Overwrite this in view templates to set layout, i.e. `$this->layout = 'slim';` |
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* |
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* @var string |
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*/ |
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public $layout = 'default'; |
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/** |
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* @var Request |
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*/ |
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protected $request; |
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protected $data = []; |
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protected $template = 'error'; |
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protected $config = []; |
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public function __construct($data = [], array $config = []) |
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{ |
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$this->data = $data; |
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foreach (['request', 'type', 'code'] as $key) { |
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if (isset($config[$key])) { |
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$this->{$key} = $config[$key]; |
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} |
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} |
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if (isset($config['template'])) { |
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$this->setTemplate($config['template']); |
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} |
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$this->config = $config; |
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} |
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/** |
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* Analyze the request url to convert to a view template |
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* |
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* @param Request $request |
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* @param array $config |
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* @return Page |
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*/ |
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public static function fromRequest(Request $request, array $config = []): Page |
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{ |
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$config += [ |
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'request' => $request, |
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'type' => $request->type(), |
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]; |
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$page = new static([], $config); |
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$page->template = $config['template'] ?? $page->templateFromUrl($request->route()->url()); |
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return $page; |
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} |
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/** |
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* @return bool |
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* @throws InvalidUrl |
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*/ |
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public function isValid(): bool |
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{ |
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$file = $this->getContentFile($this->template); |
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if (!file_exists($file)) { |
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throw new InvalidUrl("Missing view file: [ $file ]"); |
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} |
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return true; |
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} |
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/** |
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* Provide data (variables) that are to be extracted into the view (and layout) templates |
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* |
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* @param string|array $key an array of data or the name for $value |
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* @param mixed $value if $key is a string, this can be the value of that var |
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*/ |
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public function setData($key, $value = null): void |
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{ |
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if (is_array($key)) { |
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foreach ($key as $k => $v) { |
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$this->data[$k] = $v; |
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} |
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} else { |
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$this->data[$key] = $value; |
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} |
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} |
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public function request(): Request |
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{ |
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return $this->request; |
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} |
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// @TODO refactor, and cache |
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private function head(): string |
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{ |
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ob_start(); |
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try { |
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$headfile = $this->getLayoutFile('head'); |
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if (file_exists($headfile)) { |
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(function ($sldkfjlksejflskjflskdjflskdfj) { |
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extract($this->data); |
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include $sldkfjlksejflskjflskdjflskdfj; |
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})($headfile); |
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} |
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$neckfile = $this->getLayoutFile('neck'); |
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if (file_exists($neckfile)) { |
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(function ($lidsinqjhsdfytqkwjkasjdksadsdg) { |
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extract($this->data); |
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include $lidsinqjhsdfytqkwjkasjdksadsdg; |
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})($neckfile); |
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} |
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} finally { |
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$ret = ob_get_contents(); |
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ob_end_clean(); |
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} |
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return $ret; |
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} |
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private function getLayoutFile(string $name): string |
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{ |
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$path = $this->config['layout_path'] ?? Environment::get('layout_path'); |
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if (is_null($path)) { |
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Log::debug("As there is no configured `layout_path` in Environment, layouts are skipped"); |
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} |
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return $path . $this->layout . DIRECTORY_SEPARATOR . $name . '.' . $this->type . '.php'; |
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} |
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private function getContentFile(string $view): string |
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{ |
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$path = $this->config['content_path'] ?? Environment::get('content_path'); |
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if (is_null($path)) { |
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throw new ConfigMissing("Page requires a `content_path` in Environment"); |
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} |
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return $path . $view . '.php'; |
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} |
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// @TODO refactor, and cache |
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private function foot(): string |
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{ |
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$footfile = $this->getLayoutFile('foot'); |
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if (!file_exists($footfile)) { |
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return ''; |
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} |
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ob_start(); |
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try { |
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(function ($ldkfoskdfosjicyvutwehkshfskjdf) { |
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extract($this->data); |
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include $ldkfoskdfosjicyvutwehkshfskjdf; |
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})($footfile); |
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} finally { |
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$ret = ob_get_contents(); |
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ob_end_clean(); |
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} |
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return $ret; |
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} |
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// @TODO refactor, and cache |
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/** |
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* @param string $view |
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* @return string |
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* @throws InvalidUrl |
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*/ |
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public function view(string $view): string |
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{ |
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$file = $this->getContentFile($view); |
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ob_start(); |
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try { |
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// or another way to hide the file variable? |
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(function ($dsfjskdfjsdlkfjsdkfjsdkfjsdlkfjsd) { |
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extract($this->data); |
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include $dsfjskdfjsdlkfjsdkfjsdkfjsdlkfjsd; |
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})($file); |
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} finally { |
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$ret = ob_get_contents(); |
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ob_end_clean(); |
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} |
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return $ret; |
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} |
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/** |
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* Set header type, render the view, then optionally render layouts and wrap the template |
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* |
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* @return string fully rendered string, ready to be echo'ed |
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* @throws InvalidUrl if the view template does not exist |
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*/ |
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public function render(): string |
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{ |
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$h = $this->config['header_func'] ?? 'header'; |
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$contentType = $this->contentType(); |
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$h("Content-type: $contentType"); |
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$view = $this->view($this->template); |
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$response = $this->head(); |
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$response .= $view; |
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$response .= $this->foot(); |
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return $response; |
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} |
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/** |
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* @param string $template |
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*/ |
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public function setTemplate(string $template): void |
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{ |
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$this->template = "{$template}.{$this->type}"; |
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} |
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/** |
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* @param null|string $url |
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* @return string |
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*/ |
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private function templateFromUrl(?string $url = null): string |
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{ |
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$parts = \explode('/', $url); |
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$last = \array_slice($parts, -1, 1, true); |
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unset($parts[key($last)]); |
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$view = current($last); |
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$period = strrpos($view, '.'); |
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if ($period) { |
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$type = substr($view, $period + 1); |
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if (in_array($type, $this->validTypes)) { |
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$this->type = $type; |
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$view = substr($view, 0, $period); |
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} |
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} |
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$ret = join(DIRECTORY_SEPARATOR, $parts) . DIRECTORY_SEPARATOR . $view . '.' . $this->type; |
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return trim($ret, DIRECTORY_SEPARATOR); |
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} |
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} |
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