1--TEST-- 2Testing imagecopymergegray() of GD library 3--CREDITS-- 4Sean Fraser <frasmage [at] gmail [dot] com> 5PHP[tek] 2017 6--SKIPIF-- 7<?php 8if (!extension_loaded("gd")) die("skip GD not present"); 9?> 10--FILE-- 11<?php 12 13$des = imagecreate(120, 120); 14$src = imagecreate(100, 100); 15 16$color_des = imagecolorallocate($des, 50, 50, 200); 17$color_src = imagecolorallocate($src, 255, 255, 0); 18 19imagefill($des, 0, 0, $color_des); 20imagefill($src, 0, 0, $color_src); 21 22var_dump(imagecopymergegray($des, $src, 20, 20, 0, 0, 50, 50, 75)); 23 24$color = imagecolorat($des, 30, 30); 25$rgb = imagecolorsforindex($des, $color); 26echo $rgb['red'], ", ", $rgb['green'], ", ", $rgb['blue'], "\n"; 27 28?> 29--EXPECT-- 30bool(true) 31208, 208, 16 32