1--TEST-- 2Bug #73291 (imagecropauto() $threshold differs from external libgd) 3--EXTENSIONS-- 4gd 5--FILE-- 6<?php 7 8$src = imagecreatetruecolor(255, 255); 9$white = imagecolorallocate($src, 255, 255, 255); 10imagefilledrectangle($src, 0, 0, 254, 254, $white); 11 12for ($i = 254; $i > 0; $i--) { 13 $color = imagecolorallocate($src, $i, $i, $i); 14 imagefilledellipse($src, 127, 127, $i, $i, $color); 15} 16 17foreach ([0.1, 0.5, 1.0, 10.0] as $threshold) { 18 $dst = imagecropauto($src, IMG_CROP_THRESHOLD, $threshold, $white); 19 if ($dst !== false) { 20 printf("size: %d*%d\n", imagesx($dst), imagesy($dst)); 21 } else { 22 echo "cropped to zero size\n"; 23 } 24} 25 26?> 27--EXPECT-- 28size: 247*247 29size: 237*237 30size: 229*229 31size: 175*175 32