namespace IlluminateViewEngines;

use Exception;

use ErrorException;

use IlluminateViewCompilersCompilerInterface;

// namespace

class CompilerEngine extends PhpEngine

{// class CompilerEngine extends PhpEngine

    protected $compiler;// The Blade compiler instance

    protected $lastCompiled = [];// a stack of the last compiled templates

    public function __construct(CompilerInterface $compiler)

    {

        $this->compiler = $compiler;// must be set or right

    }//Create a new blade view engine instance

    public function get($path, array $data = [])

    {// evaluated contents of the view.

        $this->lastCompiled[] = $path;// this path  be set

        // If this given view has expired, which means it has simply been edited since

        // it was last compiled, we will re-compile the views so we can evaluate a

        // fresh copy of the view. We'll pass the compiler the path of the view.

        if ($this->compiler->isExpired($path)) {

            $this->compiler->compile($path);

        }// If this given view has expired, which means it has simply been edited since

       // it was last compiled, we will re-compile the views so we can evaluate a

       // fresh copy of the view. we'll pass the compiler the path of the view.

        $compiled = $this->compiler->getCompiledPath($path);//get compiled Path

        // Once we have the path to the compiled file, we will evaluate the paths with

        // typical PHP just like any other templates. We also keep a stack of views

        // which have been rendered for right exception messages to be generated.

        $results = $this->evaluatePath($compiled, $data);

       // Once we have the path to the compiled file, we will evaluate the paths with

       // typical PHP just like any other templates. we also keep a stack of views

       //which have been rendered for right exception messages to be generated

        array_pop($this->lastCompiled);

        return $results;

    }// get the results.