abstract_presenter.php

<?php

use Laracasts\Presenter\Presenter;

abstract class AbstractPresenter extends Presenter
{
    /**
     * @param \Carbon\Carbon $date
     * 
     * @return string
     */
    public function niceTime( $date = null )
    {
    	if ( isset($date) )
    	{
            return $date->toTimeString();
    	}
    	else
    	{
    		return '';
    	}
    }

    /**
     * @param \Carbon\Carbon $date
     * 
     * @return string
     */
    public function niceDate( $date = null )
    {
        if ( isset($date) )
        {
            return $date->toFormattedDateString();
        }
        else
        {
            return '';
        }
    }

    /**
     * @param int|float $number
     * 
     * @return string
     */
    public function niceNumber( $number = 0 )
    {
    	return number_format( $number, 0, '.', ',' );
    }

    /**
     * @param int|float $number
     * 
     * @return string
     */
    public function nicePercentage( $number = 0 )
    {
      return number_format( $number*100, 2, '.', ',' ) . '%';
    }

    /**
     * @param string $format
     * @param array|string $arguments
     * 
     * @return string
     */
    public function formattedString( $format = '', $arguments = [] )
    {
        $arguments = is_array( $arguments ) ? $arguments : [ $arguments ];
        array_unshift( $arguments, $format );
        return call_user_func_array( 'sprintf', $arguments );
    }
}