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<?php |
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namespace WPEmerge\View; |
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use Exception; |
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use View as ViewService; |
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use WPEmerge\Helpers\Path; |
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/** |
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* Render view files with php |
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*/ |
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class Php implements EngineInterface { |
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/** |
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* {@inheritDoc} |
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*/ |
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public function exists( $view ) { |
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$file = $this->resolveFile( $view ); |
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return strlen( $file ) > 0; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function render( $views, $context ) { |
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$view_file = $this->resolveViewAndFile( $views ); |
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if ( $view_file === null ) { |
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return ''; |
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} |
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$__view = $view_file['file']; |
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$__context = array_merge( |
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['global' => ViewService::getGlobals()], |
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ViewService::compose( $view_file['view'] ), |
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$context |
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); |
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$renderer = function() use ( $__view, $__context ) { |
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ob_start(); |
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extract( $__context ); |
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include( $__view ); |
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return ob_get_clean(); |
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}; |
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return $renderer(); |
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} |
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/** |
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* Resolve a view or a view array to an absolute filepath |
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* |
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* @param string $view |
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* @return string |
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*/ |
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protected function resolveFile( $view ) { |
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$file = locate_template( $view, false ); |
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if ( ! $file ) { |
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// locate_template failed to find the view - test if a valid absolute path was passed |
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$file = $this->resolveFileFromFilesystem( $view ); |
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} |
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return $file; |
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} |
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/** |
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* Resolve the view if it exists on the filesystem |
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* |
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* @param string $view |
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* @return string |
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*/ |
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protected function resolveFileFromFilesystem( $view ) { |
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return file_exists( $view ) ? $view : ''; |
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} |
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/** |
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* Resolve an array of views to the first existing view and it's filepath |
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* |
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* @param string[] $views |
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* @return array|null |
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*/ |
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protected function resolveViewAndFile( $views ) { |
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$view = ''; |
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$file = ''; |
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foreach ( $views as $current_view ) { |
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if ( $this->exists( $current_view ) ) { |
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$view = $current_view; |
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$file = $this->resolveFile( $view ); |
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break; |
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} |
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} |
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if ( ! $file ) { |
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return null; |
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} |
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return [ |
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'view' => $view, |
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'file' => $file, |
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]; |
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} |
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} |
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htmlburger /
wpemerge
This check looks for the generic type
arrayas a return type and suggests a more specific type. This type is inferred from the actual code.