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help with error messages.. please
Hello, In my cPanel error logs, i see a lt of repeated errors like the one below. I have pasted the makethumb1.php code as well.. can anyone figure out why i'm getting this error message?
error:
Quote:
[Tue Oct 3 20:45:41 2006] [error] PHP Warning: Division by zero in /home/bad/public_html/car/makethumb1.php on line 315
[Tue Oct 3 20:45:41 2006] [error] PHP Warning: Division by zero in /home/bad/public_html/car/makethumb1.php on line 311
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagedestroy(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 347
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagejpeg(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 345
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagestring(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 343
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagefilledrectangle(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 339
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 337
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 335
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: imagecreate() [<a href='function.imagecreate'>function.imagecreate</a>]: Invalid image dimensions in /home/bad/public_html/car/makethumb1.php on line 333
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: Division by zero in /home/bad/public_html/car/makethumb1.php on line 315
[Tue Oct 3 20:45:35 2006] [error] PHP Warning: Division by zero in /home/bad/public_html/car/makethumb1.php on line 311
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagedestroy(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 347
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagejpeg(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 345
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagestring(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 343
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagefilledrectangle(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 339
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 337
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/bad/public_html/car/makethumb1.php on line 335
[Tue Oct 3 20:45:29 2006] [error] PHP Warning: imagecreate() [<a href='function.imagecreate'>function.imagecreate</a>]: Invalid image dimensions in /home/bad/public_html/car/makethumb1.php on line 333
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makethumb1.php:
PHP Code:
<?
##
$code = 'function gd_info() {
$array = Array(
"GD Version" => "",
"FreeType Support" => 0,
"FreeType Support" => 0,
"FreeType Linkage" => "",
"T1Lib Support" => 0,
"GIF Read Support" => 0,
"GIF Create Support" => 0,
"JPG Support" => 0,
"PNG Support" => 0,
"WBMP Support" => 0,
"XBM Support" => 0
);
$gif_support = 0;
ob_start();
eval("phpinfo();");
$info = ob_get_contents();
ob_end_clean();
foreach(explode("\n", $info) as $line) {
if(strpos($line, "GD Version")!==false)
$array["GD Version"] = trim(str_replace("GD Version", "", strip_tags($line)));
if(strpos($line, "FreeType Support")!==false)
$array["FreeType Support"] = trim(str_replace("FreeType Support", "", strip_tags($line)));
if(strpos($line, "FreeType Linkage")!==false)
$array["FreeType Linkage"] = trim(str_replace("FreeType Linkage", "", strip_tags($line)));
if(strpos($line, "T1Lib Support")!==false)
$array["T1Lib Support"] = trim(str_replace("T1Lib Support", "", strip_tags($line)));
if(strpos($line, "GIF Read Support")!==false)
$array["GIF Read Support"] = trim(str_replace("GIF Read Support", "", strip_tags($line)));
if(strpos($line, "GIF Create Support")!==false)
$array["GIF Create Support"] = trim(str_replace("GIF Create Support", "", strip_tags($line)));
if(strpos($line, "GIF Support")!==false)
$gif_support = trim(str_replace("GIF Support", "", strip_tags($line)));
if(strpos($line, "JPG Support")!==false)
$array["JPG Support"] = trim(str_replace("JPG Support", "", strip_tags($line)));
if(strpos($line, "PNG Support")!==false)
$array["PNG Support"] = trim(str_replace("PNG Support", "", strip_tags($line)));
if(strpos($line, "WBMP Support")!==false)
$array["WBMP Support"] = trim(str_replace("WBMP Support", "", strip_tags($line)));
if(strpos($line, "XBM Support")!==false)
$array["XBM Support"] = trim(str_replace("XBM Support", "", strip_tags($line)));
}
if($gif_support==="enabled") {
$array["GIF Read Support"] = 1;
$array["GIF Create Support"] = 1;
}
if($array["FreeType Support"]==="enabled"){
$array["FreeType Support"] = 1; }
if($array["T1Lib Support"]==="enabled")
$array["T1Lib Support"] = 1;
if($array["GIF Read Support"]==="enabled"){
$array["GIF Read Support"] = 1; }
if($array["GIF Create Support"]==="enabled")
$array["GIF Create Support"] = 1;
if($array["JPG Support"]==="enabled")
$array["JPG Support"] = 1;
if($array["PNG Support"]==="enabled")
$array["PNG Support"] = 1;
if($array["WBMP Support"]==="enabled")
$array["WBMP Support"] = 1;
if($array["XBM Support"]==="enabled")
$array["XBM Support"] = 1;
return $array;
}';
function gd_version() {
global $code;
if (empty($result)) {
if (!function_exists('gd_info')) $gd_info = eval($code);
else $gd_info = gd_info();
if (substr($gd_info['GD Version'], 0, strlen('bundled (')) == 'bundled (') {
$result = (float) substr($gd_info['GD Version'], strlen('bundled ('), 3);
} else {
$result = (float) substr($gd_info['GD Version'], 0, 3);
}
}
return $result;
}
function ImageCreateFunction($x_size, $y_size) {
$ImageCreateFunction = 'ImageCreate';
if (gd_version() >= 2.0) {
$ImageCreateFunction = 'ImageCreateTrueColor';
}
if (!function_exists($ImageCreateFunction)) {
return FALSE;
}
return $ImageCreateFunction($x_size, $y_size);
}
function ImageCopyFunction($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH) {
$ImageCopyFunction = 'ImageCopyResized';
if (gd_version() >= 2.0) {
$ImageCopyFunction = 'ImageCopyResampled';
}
if (!function_exists($ImageCopyFunction)) {
return FALSE;
}
return $ImageCopyFunction($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
function generateThumb($sourceFilename, $thumb_x, $square=FALSE, $border=FALSE) {
$image_info = getimagesize($sourceFilename);
$image_width = $image_info[0];
$image_height = $image_info[1];
if ($image_width<$thumb_x) $thumb_x = $image_width;
if ($square) {
$thumb_image_x = 468;
$thumb_image_y = 60;
}
// workaround for v1.6.2 where the GIF images arent recognized.
$ImgCreate = 'ImageCreateFromJPEG';
switch ($image_info['mime']) {
case 'image/gif':
$ImgCreate = 'ImageCreateFromGIF';
break;
case 'image/jpeg':
$ImgCreate = 'ImageCreateFromJPEG';
break;
case 'image/png':
$ImgCreate = 'ImageCreateFromPNG';
break;
}
if (!$square) {
$shrinkratio = $image_width/$thumb_x;
$thumb_y = $image_height/$shrinkratio;
$start_x = 0;
$start_y = 0;
} else if ($square) {
if ($image_width>$image_height) {
$shrinkratio = $image_width/$thumb_x;
$thumb_y = $image_height/$shrinkratio;
$start_x = 0;
$start_y = (abs($thumb_image_y - $thumb_y)) / 2;
} else if ($image_width<=$image_height) {
$shrinkratio = $image_height/$thumb_x;
$thumb_y =$thumb_x;
$thumb_x = $image_width/$shrinkratio;
$start_y = 0;
$start_x = (abs($thumb_image_x - $thumb_x)) / 2;
}
}
$thumbInput = @$ImgCreate($sourceFilename);
if (!$thumbInput) { /* See if it failed */
$thumbInput = imagecreate($thumb_x, $thumb_y); /* Create a blank image */
$bgc = imagecolorallocate($thumbInput, 255, 255, 255);
$tc = imagecolorallocate($thumbInput, 0, 0, 0);
imagefilledrectangle($thumbInput, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring($thumbInput, 1, 5, 5, "Error loading $sourceFilename", $tc);
imagejpeg($thumbInput,'',90);
imagedestroy($thumbInput);
} else {
if ($square) {
$thumbOutput = ImageCreateFunction($thumb_image_x,$thumb_image_y) or die("couldn't create image");
$border_x = $thumb_image_x - 1;
$border_y = $thumb_image_y - 1;
} else {
$thumbOutput = ImageCreateFunction($thumb_x,$thumb_y) or die("couldn't create image");
$border_x = $thumb_x - 1;
$border_y = $thumb_y - 1;
}
$background_color = imagecolorallocate($thumbOutput, 255, 255, 255);
imagefill($thumbOutput,0,0,$background_color);
ImageCopyFunction($thumbOutput,$thumbInput,$start_x,$start_y,0,0,$thumb_x,$thumb_y,$image_width,$image_height) or die("coudln't resize image");
if ($border) {
$border_color = imagecolorallocate($thumbOutput, 0, 0, 0);
imagerectangle($thumbOutput,0,0,$border_x,$border_y,$border_color) or die("couldn't create image");
}
imagejpeg($thumbOutput,'',90);
imagedestroy($thumbOutput);
}
}
### here we call the function, and we get the GET parameters;
$pic = $_GET['pic'];
$thumbWidth = $_GET['w'];
$isSquare = ($_GET['sq']=='Y')? TRUE : FALSE;
$isBorder = ($_GET['b']=='Y') ? TRUE : FALSE;
## if check is submitted then do the queries needed, otherwise create the pics
if ($_GET['check']=="phpinfo") {
phpinfo();
} else if ($_GET['check']=="gdinfo") {
gd_info();
} if ($_GET['check']=="") {
if (isset($pic)&&$thumbWidth>0) {
header("Content-type: image/jpeg");
generateThumb($pic, $thumbWidth, $isSquare, $isBorder);
} else if (!isset($pic)) {
echo "<strong>ERROR:</strong> No image submitted";
} else if ($thumbWidth<=0) {
echo "<strong>ERROR:</strong> Invalid resizing option";
}
}
?>
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