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<?php |
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namespace Helix\Site; |
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use ArrayAccess; |
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use DateTimeInterface; |
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/** |
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* Renders a template with data. |
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*/ |
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class View implements ArrayAccess |
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{ |
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/** |
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* @var int|DateTimeInterface |
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*/ |
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protected $cacheTtl = 0; |
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/** |
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* Extracted to variables upon render. |
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* |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* @var string |
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*/ |
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protected $template; |
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public function __construct(string $template, array $data = []) |
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{ |
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$this->template = $template; |
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$this->data = $data; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->template; |
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} |
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/** |
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* The minimum TTL, considering the instance itself and any nested views. |
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* |
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* @return int|DateTimeInterface |
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*/ |
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public function getCacheTtl() |
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{ |
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return $this->cacheTtl; |
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} |
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/** |
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* Returns what would be rendered. |
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* |
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* @return string |
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*/ |
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public function getContent(): string |
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{ |
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ob_start(); |
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$this->render(); |
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return ob_end_clean(); |
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} |
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/** |
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* @param mixed $offset |
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* @return bool |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return isset($this->data[$offset]); |
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} |
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/** |
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* @param mixed $key |
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* @return mixed |
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*/ |
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public function offsetGet($key) |
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{ |
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return $this->data[$key] ?? null; |
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} |
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/** |
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* @param mixed $key |
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* @param mixed $value |
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*/ |
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public function offsetSet($key, $value): void |
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{ |
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$this->data[$key] = $value; |
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} |
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/** |
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* @param mixed $key |
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*/ |
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public function offsetUnset($key): void |
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{ |
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unset($this->data[$key]); |
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} |
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/** |
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* Directly outputs content. |
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* |
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* Extracts `$data` to variables, and includes the template. |
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* `$this` within the template references the view instance. |
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*/ |
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public function render(): void |
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{ |
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extract($this->data); |
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include "{$this->template}"; |
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} |
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/** |
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* @param int|DateTimeInterface $cacheTtl |
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* @return $this |
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*/ |
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public function setCacheTtl($cacheTtl) |
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{ |
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$this->cacheTtl = $cacheTtl; |
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return $this; |
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} |
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} |
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hfw /
site
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