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--TEST-- Test imagecolorallocate() function : usage variations - passing octal and hexa-decimal values --SKIPIF-- <?php if(!extension_loaded('gd')) { die('skip gd extension is not loaded'); } if(!function_exists('imagecreatetruecolor')) { die('skip imagecreatetruecolor function is not available'); } ?> --FILE-- <?php /* Prototype : int imagecolorallocate(resource im, int red, int green, int blue) * Description: Allocate a color for an image * Source code: ext/gd/gd.c */ echo "*** Testing imagecolorallocate() : usage variations ***\n"; $im = imagecreatetruecolor(200, 200); $red = 10; $green = 10; $blue = 10; $values = array( // octal integer data "Octal 000" => 000, "Octal 012" => 012, "Octal -012" => -012, "Octal 0377" => 0377, // hexa-decimal integer data "Hexa-decimal 0x0" => 0x0, "Hexa-decimal 0xA" => 0xA, "Hexa-decimal -0xA" => -0xA, "Hexa-decimal 0xFF" => 0xFF, ); // loop through each element of the array for blue foreach($values as $key => $value) { echo "\n--$key--\n"; var_dump( imagecolorallocate($im, $value, $green, $blue) ); var_dump( imagecolorallocate($im, $red, $value, $blue) ); var_dump( imagecolorallocate($im, $red, $green, $value) ); }; ?> ===DONE=== --EXPECTF-- *** Testing imagecolorallocate() : usage variations *** --Octal 000-- int(2570) int(655370) int(657920) --Octal 012-- int(657930) int(657930) int(657930) --Octal -012-- bool(false) int(652810) int(657910) --Octal 0377-- int(16714250) int(720650) int(658175) --Hexa-decimal 0x0-- int(2570) int(655370) int(657920) --Hexa-decimal 0xA-- int(657930) int(657930) int(657930) --Hexa-decimal -0xA-- bool(false) int(652810) int(657910) --Hexa-decimal 0xFF-- int(16714250) int(720650) int(658175) ===DONE===