1--TEST-- 2Testing imageflip() of GD library 3--SKIPIF-- 4<?php 5if ( ! extension_loaded('gd') || !function_exists('imageflip')) die( 'skip GD not present; skipping test' ); 6?> 7--FILE-- 8<?php 9 10$im = imagecreatetruecolor( 99, 99 ); 11 12imagesetpixel($im, 0, 0, 0xFF); 13imagesetpixel($im, 0, 98, 0x00FF00); 14imagesetpixel($im, 98, 0, 0xFF0000); 15imagesetpixel($im, 98, 98, 0x0000FF); 16 17imageflip($im, IMG_FLIP_HORIZONTAL); 18imageflip($im, IMG_FLIP_VERTICAL); 19imageflip($im, IMG_FLIP_BOTH); 20 21var_dump(dechex(imagecolorat($im, 0, 0))); 22var_dump(dechex(imagecolorat($im, 0, 98))); 23var_dump(dechex(imagecolorat($im, 98, 0))); 24var_dump(dechex(imagecolorat($im, 98, 98))); 25?> 26--EXPECT-- 27string(2) "ff" 28string(4) "ff00" 29string(6) "ff0000" 30string(2) "ff" 31
