original_string: private function add_helpers( $helpers ) {
  		foreach( $helpers as $helper ) {
  			$helper = $this->validate_helper_input( $helper );
  			if ( is_array( $helper ) ) {
  				$this->add_helper( $helper );
  			}
  
  		}
  
  	}
code: private function add_helpers( $helpers ) {
  		foreach( $helpers as $helper ) {
  			$helper = $this->validate_helper_input( $helper );
  			if ( is_array( $helper ) ) {
  				$this->add_helper( $helper );
  			}
  
  		}
  
  	}
code_tokens: private function add_helpers ( $ helpers ) { foreach ( $ helpers as $ helper ) { $ helper = $ this -> validate_helper_input ( $ helper ) ; if ( is_array ( $ helper ) ) { $ this -> add_helper ( $ helper ) ; } } }
docstring: Add the helpers to the Handlebars instance, if validation passes.
  
  @param array $helpers Array of helpers to add
docstring_tokens: Add the helpers to the Handlebars instance if validation passes .