Форумы портала PHP.SU

PHP:
скопировать код в буфер обмена
 
<?PHP 
 
function ErrorImage ($text) {
global $maxw;
$len = strlen ($text);
if ($maxw < 154) $errw = 154;
$errh = 30;
$chrlen = intval (5.9 * $len);
$offset = intval (($errw - $chrlen) / 2);
$im = imagecreate ($errw, $errh); /* Create a blank image */
$bgc = imagecolorallocate ($im, 153, 63, 63);
$tc = imagecolorallocate ($im, 255, 255, 255);
imagefilledrectangle ($im, 0, 0, $errw, $errh, $bgc);
imagestring ($im, 2, $offset, 7, $text, $tc);
header ("Content-type: image/jpeg");
imagejpeg ($im);
imagedestroy ($im);
exit;
}
 
function thumbnail ($gdver, $src, $maxw=190) {
 
$gdarr = array (1,2);
for ($i=0; $i<count($gdarr); $i++) {
if ($gdver != $gdarr[$i]) $test.="|";
}
$exp = explode ("|", $test);
if (count ($exp) == 3) {
ErrorImage ("Incorrect GD version!");
}
 
if (!function_exists ("imagecreate") || !function_exists ("imagecreatetruecolor")) {
ErrorImage ("No image create functions!");
}
 
$size = @getimagesize ($src);
if (!$size) {
ErrorImage ("Image File Not Found!");
} else {
 
if ($size[0] > $maxw) {
$newx = intval ($maxw);
$newy = intval ($size[1] * ($maxw / $size[0]));
} else {
$newx = $size[0];
$newy = $size[1];
}
 
if ($gdver == 1) {
$destimg = imagecreate ($newx, $newy );
} else {
$destimg = @imagecreatetruecolor ($newx, $newy ) or die (ErrorImage ("Cannot use GD2 here!"));
}
 
if ($size[2] == 1) {
if (!function_exists ("imagecreatefromgif")) {
ErrorImage ("Cannot Handle GIF Format!");
} else {
$sourceimg = imagecreatefromgif ($src);
 
if ($gdver == 1)
imagecopyresized ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]);
else
@imagecopyresampled ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]) or die (ErrorImage ("Cannot use GD2 here!"));
 
header ("content-type: image/gif");
imagegif ($destimg);
}
}
elseif ($size[2]==2) {
$sourceimg = imagecreatefromjpeg ($src);
 
if ($gdver == 1)
imagecopyresized ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]);
else
@imagecopyresampled ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]) or die (ErrorImage ("Cannot use GD2 here!"));
 
header ("content-type: image/jpeg");
imagejpeg ($destimg);
}
elseif ($size[2] == 3) {
$sourceimg = imagecreatefrompng ($src);
 
if ($gdver == 1)
imagecopyresized ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]);
else
@imagecopyresampled ($destimg, $sourceimg, 0,0,0,0, $newx, $newy, $size[0], $size[1]) or die (ErrorImage ("Cannot use GD2 here!"));
 
header ("content-type: image/png");
imagepng ($destimg);
}
else {
ErrorImage ("Image Type Not Handled!");
}
}
 
imagedestroy ($destimg);
imagedestroy ($sourceimg);
}
 
thumbnail ($_GET["gd"], $_GET["src"], $_GET["maxw"]);
?>
 