original_string: public function args_string()
  	{
  		if ( !isset( $this->args ) || !is_array( $this->args ) )
  		{
  			return null;
  		}
  		
  		$args = $this->args;
  		
  		foreach( $args as $key => $arg )
  		{
  			if ( is_array( $arg ) )
  			{
  				$args[$key] = 'Array';
  			} 
  			else 
  			{
  				$args[$key] = var_export( $arg, true );
  			}
  		}
  		
  		return implode( ', ', $args );
  	}
code: public function args_string()
  	{
  		if ( !isset( $this->args ) || !is_array( $this->args ) )
  		{
  			return null;
  		}
  		
  		$args = $this->args;
  		
  		foreach( $args as $key => $arg )
  		{
  			if ( is_array( $arg ) )
  			{
  				$args[$key] = 'Array';
  			} 
  			else 
  			{
  				$args[$key] = var_export( $arg, true );
  			}
  		}
  		
  		return implode( ', ', $args );
  	}
code_tokens: public function args_string ( ) { if ( ! isset ( $ this -> args ) || ! is_array ( $ this -> args ) ) { return null ; } $ args = $ this -> args ; foreach ( $ args as $ key => $ arg ) { if ( is_array ( $ arg ) ) { $ args [ $ key ] = 'Array' ; } else { $ args [ $ key ] = var_export ( $ arg , true ) ; } } return implode ( ', ' , $ args ) ; }
docstring: create an argument string
  
  @return string
docstring_tokens: create an argument string