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<?php |
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/** |
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* Class templater engine |
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* This class will use twig as default and do frequently works for us. |
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* |
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* Text Domain: va-templater |
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* |
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* Usage: |
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* $template = new VA\Templater($path); |
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*/ |
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namespace VA; |
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use \Twig_Loader_Filesystem; |
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use \Twig_Environment; |
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use Philo\Blade\Blade; |
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class Templater { |
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/** |
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* Template adapter, it would be twig or any php template lib. |
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* |
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* @var $adapter object Template Engine object |
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*/ |
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private $adapter = []; |
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/** |
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* Template adapter, it would be twig or any php template lib. |
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* |
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* @var $adapter object Template Engine object |
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*/ |
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private $dir_path; |
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/** |
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* Template adapter name, it would be twig or any php template lib. |
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* |
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* @var $adapter object Template Engine object |
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*/ |
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private $adapter_name; |
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/** |
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* Initialize function |
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* - Load twig as default engine |
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* |
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* @var $dir_path string Path to template folder. |
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*/ |
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public function __construct($dir_path, $adapter_name = 'blade') { |
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$this->adapter_name = $adapter_name; |
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$this->dir_path = $dir_path; |
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$this->loadAdapter($adapter_name); |
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} |
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/** |
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* Load Twig as default adapter |
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* |
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* @return Twig_Environment |
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*/ |
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public function loadTwig() { |
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if(!$this->adapter) { |
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$loader = new Twig_Loader_Filesystem($this->dir_path); |
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$this->adapter = new Twig_Environment($loader, array( |
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)); |
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} |
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return $this->adapter; |
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} |
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/** |
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* Load Blade |
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* |
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* @return Blade |
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*/ |
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public function loadBlade() { |
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$this->adapter = new Blade($this->dir_path,'/tmp');//second parameter is where cache view is located. |
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return $this->adapter; |
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} |
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/** |
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* Add custom functions for Twig |
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* |
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* @param string |
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* @param function |
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* |
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* @return Blade |
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*/ |
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public function addFunction($functionName, $callback) { |
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if($this->adapter_name == 'twig') { |
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$this->adapter->addFunction(new \Twig_SimpleFunction($functionName, $callback)); |
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} |
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return $this; |
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} |
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/** |
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* Load adapter, currently we are using 2 adapters: twig and blade |
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* |
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* @var $adapter_name string Path to template folder. |
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* @return mixed |
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*/ |
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public function loadAdapter($adapter_name) { |
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if(!$this->adapter) { // |
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$method_name = 'load'.ucfirst($adapter_name); |
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if(method_exists($this, $method_name)) { |
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$this->$method_name(); |
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}else{ |
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throw new \Exception("Could not load adapter $adapter_name"); |
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} |
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} |
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return $this->adapter; |
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} |
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/** |
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* Alias for engine render function |
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* |
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* @var $template string Template file name (e.g. test.php, folder/test.phtml...) |
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* @var $data array Data array. E.g. ['list' => $list] |
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* |
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* @return string Rendered HTML/text |
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*/ |
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public function render($template, $data = []) { |
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if($this->adapter_name == 'twig') |
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{ |
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return $this->adapter->render($template, $data); |
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} |
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elseif($this->adapter_name == 'blade') |
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{ |
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return $this->adapter->view()->make($template,$data)->render(); |
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} |
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} |
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/** |
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* Setup Wordpress themes support. |
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* The template engine will find template file in theme folder before find it in plugin/application folder |
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* 1. /wp-content/themes/{theme-name}/templates/{application-name}/ |
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* 2. /path/to/application/ |
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* |
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* @var $app_name string Your application name, should be lowercase, letters only. |
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* |
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* @return object \VA\Templater\Engine |
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*/ |
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public function setWordPressThemeSupport($app_name) { |
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// Path to templates folder in wordpress theme |
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$theme_template_path = get_template_directory() . '/templates/'. $app_name; |
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// Create folder path if it does not exists. |
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if(!file_exists($theme_template_path)) { |
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wp_mkdir_p($theme_template_path); |
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} |
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// Preapare template folders |
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$template_folders = [ |
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$theme_template_path, // Load this path first |
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$this->dir_path // Load this path second |
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]; |
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$loader = new \Twig_Loader_Filesystem($template_folders); |
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$this->adapter->setLoader($loader); |
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return $this; |
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} |
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} |
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.