From: [EMAIL PROTECTED]
Operating system: Windows XP Pro
PHP version: 4.2.3
PHP Bug Type: Reproducible crash
Bug description: PHP crashes when trying to access 2d int matrix returned from java
I used PHP 4.2.3 zip file for windows.
The GD extension and the Java extension are used and the appropriate paths
are set for in Java in the php.ini
PHP is crashing when I try to get the value of a specific point in my 2
dimensional array. The error occurs on the second attempt in the same
script to read from the array.
Below I will include the java code used and the php code that calls the
java object.
Java Code:
/**
* Filter class designed to do computations for a php script
*
* @author (Peter Kroll)
* @version (2002-10-02)
*/
public class Filter
{
/**
* Constructor for objects of class Filter
*/
public Filter()
{
}
/**
* applyFilter
*
* @param
* filterMatrix: 2 dimensional array of integers
* imageMatrix: 2 dimensional array of integers
* @return
* newImageMatrix: 2 dimensional array of integers
*/
public int[][] applyFilter(double [][] filterMatrix, int
filterDimension, int [][] imageMatrix, int imageSizeX, int imageSizeY)
{
int countX;
int countY;
double sum = 0;
int posX;
int posY;
int pixelValue;
int temp;
int [][] newImageMatrix = new int[imageSizeX][imageSizeY];
// Apply filter to image
for(countX = 0; countX < imageSizeX; countX++)
{
for(countY = 0; countY < imageSizeY; countY++)
{
sum = 0;
for(posY = 0; posY < filterDimension; posY++)
{
for(posX = 0; posX < filterDimension; posX++)
{
if(countX - posX < 0 || countY - posY < 0)
{
pixelValue = 0;
}
else
{
pixelValue =
imageMatrix[countX-posX][countY-posY];
sum = sum +
imageMatrix[countX-posX][countY-posY] * filterMatrix[filterDimension - 1 -
posX][filterDimension - 1 - posY];
}
}
}
newImageMatrix[countX][countY] = (int) sum;
}
}
return newImageMatrix;
}
}
PHP code:
// Apply filter to image
$FilterObject = new Java("Filter");
$newImageMatrix = $FilterObject->applyFilter($filter, $filterDimension,
$imageMatrix, $imageSizeX, $imageSizeY);
$tempVal = $newImageMatrix[0][0];
print $tempVal . "<BR>\n";
$tempVal = $newImageMatrix[1][1];
print $tempVal . "<BR>\n";
The PHP code above is not my whole script but the part that calls Java and
causes the error.
Please note that the Java compiles fine and there are no errors in the
PHP.
The variables passed into the Java method are the same type as required by
the Java method.
I am able to read one value from the returned matrix and print it to the
screen on the second attempt php crashes, this bug is reproducable 100% of
the time.
--
Edit bug report at http://bugs.php.net/?id=19775&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=19775&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=19775&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=19775&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=19775&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=19775&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=19775&r=support
Expected behavior: http://bugs.php.net/fix.php?id=19775&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=19775&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=19775&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=19775&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=19775&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=19775&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=19775&r=isapi
