1--TEST-- 2Test imagecolorallocate() function : usage variations - passing RED, GREEN, BLUE values more than 255 3--SKIPIF-- 4<?php 5if(!extension_loaded('gd')) { 6 die('skip gd extension is not loaded'); 7} 8if(!function_exists('imagecreatetruecolor')) { 9 die('skip imagecreatetruecolor function is not available'); 10} 11?> 12--FILE-- 13<?php 14/* Prototype : int imagecolorallocate(resource im, int red, int green, int blue) 15 * Description: Allocate a color for an image 16 * Source code: ext/gd/gd.c 17 */ 18echo "*** Testing imagecolorallocate() : usage variations ***\n"; 19 20$values = array( 21 //Decimal integera data 22 "Decimal 256" => 256, 23 24 // octal integer data 25 "Octal 0400" => 0400, 26 27 // hexa-decimal integer data 28 "Hexa-decimal 0x100" => 0x100 29); 30 31// loop through each element of the array for blue 32foreach($values as $key => $value) { 33 echo "\n--$key--\n"; 34 //Need to be created every time to get expected return value 35 $im_palette = imagecreate(200, 200); 36 $im_true_color = imagecreatetruecolor(200, 200); 37 var_dump( imagecolorallocate($im_palette, $value, $value, $value) ); 38 var_dump( imagecolorallocate($im_true_color, $value, $value, $value) ); 39}; 40?> 41===DONE=== 42--EXPECTF-- 43*** Testing imagecolorallocate() : usage variations *** 44 45--Decimal 256-- 46int(0) 47int(16843008) 48 49--Octal 0400-- 50int(0) 51int(16843008) 52 53--Hexa-decimal 0x100-- 54int(0) 55int(16843008) 56===DONE=== 57