<?php
 
 namespace Illuminate\View\Compilers\Concerns;
 
 use Illuminate\View\Factory as ViewFactory;
 
 trait CompilesLayouts
 {
     /**
      * The name of the last section that was started.
      *
      * @var string
      */
     protected $lastSection;
 
     /**
      * Compile the extends statements into valid PHP.
      *
      * @param  string  $expression
      * @return string
      */
     protected function compileExtends($expression)
     {
         $expression = $this->stripParentheses($expression);
 
         $echo = "<?php echo \$__env->make({$expression}, \Illuminate\Support\Arr::except(get_defined_vars(), ['__data', '__path']))->render(); ?>";
 
         $this->footer[] = $echo;
 
         return '';
     }
 
     /**
      * Compile the section statements into valid PHP.
      *
      * @param  string  $expression
      * @return string
      */
     protected function compileSection($expression)
     {
         $this->lastSection = trim($expression, "()'\" ");
 
         return "<?php \$__env->startSection{$expression}; ?>";
     }
 
     /**
      * Replace the @parent directive to a placeholder.
      *
      * @return string
      */
     protected function compileParent()
     {
         return ViewFactory::parentPlaceholder($this->lastSection ?: '');
     }
 
     /**
      * Compile the yield statements into valid PHP.
      *
      * @param  string  $expression
      * @return string
      */
     protected function compileYield($expression)
     {
         return "<?php echo \$__env->yieldContent{$expression}; ?>";
     }
 
     /**
      * Compile the show statements into valid PHP.
      *
      * @return string
      */
     protected function compileShow()
     {
         return '<?php echo $__env->yieldSection(); ?>';
     }
 
     /**
      * Compile the append statements into valid PHP.
      *
      * @return string
      */
     protected function compileAppend()
     {
         return '<?php $__env->appendSection(); ?>';
     }
 
     /**
      * Compile the overwrite statements into valid PHP.
      *
      * @return string
      */
     protected function compileOverwrite()
     {
         return '<?php $__env->stopSection(true); ?>';
     }
 
     /**
      * Compile the stop statements into valid PHP.
      *
      * @return string
      */
     protected function compileStop()
     {
         return '<?php $__env->stopSection(); ?>';
     }
 
     /**
      * Compile the end-section statements into valid PHP.
      *
      * @return string
      */
     protected function compileEndsection()
     {
         return '<?php $__env->stopSection(); ?>';
     }
 }