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<?php |
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namespace suda\application\template; |
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use Exception; |
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use function extract; |
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use function ob_get_clean; |
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use ReflectionException; |
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use suda\application\Resource; |
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use suda\framework\arrayobject\ArrayDotAccess; |
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use suda\application\exception\NoTemplateFoundException; |
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use suda\framework\runnable\Runnable; |
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/** |
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* 原始PHP模板 |
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*/ |
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class RawTemplate |
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{ |
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/** |
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* 路径 |
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* |
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* @var string |
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*/ |
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protected $path; |
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/** |
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* 模板值 |
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* |
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* @var array |
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*/ |
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protected $value; |
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/** |
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* 父模版 |
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* |
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* @var self|null |
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*/ |
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protected $parent = null; |
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/** |
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* 模板钩子 |
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* |
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* @var array |
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*/ |
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protected $hooks = []; |
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/** |
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* 继承的模板 |
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* |
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* @var string|null |
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*/ |
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protected $extend = null; |
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/** |
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* RawTemplate constructor. |
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* @param string $path |
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* @param array $value |
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*/ |
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public function __construct(string $path, array $value = []) |
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{ |
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$this->path = $path; |
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$this->value = $value; |
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} |
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/** |
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* 单个设置值 |
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* |
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* @param string $name |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function set(string $name, $value) |
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{ |
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$this->value = ArrayDotAccess::set($this->value, $name, $value); |
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return $this; |
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} |
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/** |
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* 直接压入值 |
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* |
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* @param array $values |
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* @return $this |
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*/ |
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public function assign(array $values) |
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{ |
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$this->value = array_merge($this->value, $values); |
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return $this; |
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} |
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/** |
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* 创建模板获取值 |
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* |
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* @param string $name |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function get(string $name = null, $default = null) |
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{ |
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if (null === $name) { |
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return $this->value; |
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} |
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return ArrayDotAccess::get($this->value, $name, $default ?? $name); |
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} |
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/** |
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* 检测值 |
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* |
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* @param string $name |
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* @return boolean |
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*/ |
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public function has(string $name) |
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{ |
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return ArrayDotAccess::exist($this->value, $name); |
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} |
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/** |
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* 获取模板路径 |
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* @return string |
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*/ |
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protected function getPath() |
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{ |
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return $this->path; |
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} |
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/** |
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* 调用某函数 |
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* |
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* @param string $name |
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* @param mixed ...$args |
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* @return mixed |
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* @throws ReflectionException |
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*/ |
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public function call(string $name, ...$args) |
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{ |
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if (func_num_args() > 1) { |
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return (new Runnable($name))->run($this, ...$args); |
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} |
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return (new Runnable($name))->apply([$this]); |
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} |
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/** |
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* @param string $name |
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* @param $callback |
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*/ |
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public function insert(string $name, $callback) |
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{ |
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// 存在父模板 |
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if ($this->parent) { |
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$this->parent->insert($name, $callback); |
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} else { |
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// 添加回调钩子 |
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$this->hooks[$name][] = new Runnable($callback); |
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} |
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} |
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/** |
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* @param string $name |
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*/ |
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public function exec(string $name) |
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{ |
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try { |
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// 存在父模板 |
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if ($this->parent) { |
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$this->parent->exec($name); |
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} elseif (isset($this->hooks[$name])) { |
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foreach ($this->hooks[$name] as $hook) { |
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$hook->run(); |
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} |
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} |
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} catch (Exception $e) { |
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echo '<div style="color:red">' . $e->getMessage() . '</div>'; |
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return; |
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} |
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} |
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/** |
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* @return string |
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* @throws Exception |
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*/ |
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public function getRenderedString() |
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{ |
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if (file_exists($this->getPath())) { |
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ob_start(); |
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extract($this->value); |
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include $this->getPath(); |
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if ($this->extend) { |
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$this->include($this->extend); |
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} |
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return ob_get_clean() ?: ''; |
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} |
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throw new NoTemplateFoundException( |
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'missing dest at ' . $this->getPath(), |
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E_USER_ERROR, |
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$this->getPath(), |
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1 |
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); |
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} |
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/** |
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* 获取渲染后的字符串 |
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* @ignore-dump |
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* @throws Exception |
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* @return string |
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*/ |
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public function render() |
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{ |
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$content = $this->getRenderedString(); |
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$content = trim($content); |
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return $content; |
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} |
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/** |
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* 创建模板 |
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* @param $template |
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* @return $this |
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*/ |
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public function parent($template) |
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{ |
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$this->parent = $template; |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return $this |
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*/ |
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public function extend(string $name) |
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{ |
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$this->extend = $name; |
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return $this; |
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} |
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/** |
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* @param string $path |
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* @throws Exception |
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*/ |
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public function include(string $path) |
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{ |
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$included = new self($path, $this->value); |
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$included->parent = $this; |
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echo $included->getRenderedString(); |
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} |
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} |
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