yanwei07

1. run command: xrandr
   it output current screen resolution as well as available solutions. All we need here is the display device name.
   examle device name : virtual1.
2. Run command to calculate VESA CVT mode lines by given resolution which you will add value, example : 
   sudo cvt 1600 900
   if your device support this resolution, terminal would output it's ability. look follow output:
   
   1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
   Modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

claudiosanches

<?php

// Test cards
$cards = array(
	'378282246310005',     // American Express
	'371449635398431',     // American Express
	'5078601870000127985', // Aura
	'5078601800003247449', // Aura
	'30569309025904',      // Diners Club
	'38520000023237',      // Diners Club