After some efforts Finally i made it worked. Here is the working code:
- (void)sendImageUploadRequest:(NSMutableArray *)arrImage
{
if(arrImage){
NSString *strUrl = [NSString stringWithFormat:@"upload.php"];
NSString *urlString = [NSString stringWithFormat:ServerURL,strUrl];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:urlString]];
[request setHTTPMethod:@"POST"];
NSString *boundary = [NSString stringWithFormat:@"---------------------------14737809831466499882746641449"];
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary]; //initial boundary
[request setValue:contentType forHTTPHeaderField:@"Content-Type"];
NSMutableArray *arrImgData = [[NSMutableArray alloc] init];
for (int i = 0; i < [arrImage count]; i++)
{
NSData *imageData = UIImageJPEGRepresentation([arrImagesUpload objectAtIndex:i], 0.8);
[arrImgData insertObject:imageData atIndex:i];
}
NSMutableData *body = [NSMutableData data];
for(int i = 0; i < [arrImage count] ; i++)
{
[body appendData:[[NSString stringWithFormat:@"--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSString *strNameImage = [NSString stringWithFormat:@"%@%d.jpg",[self DateTimeWithMilliSeconds],i];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"images[%d]\"; filename=\"%@\"\r\n", i, strNameImage] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:arrImgData[i]]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
}
// parameter username
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"email\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[appDelegate.credEmail dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; //final boundary
[request setHTTPBody:body];
[request setValue:[NSString stringWithFormat:@"%lu",(unsigned long)[body length]] forHTTPHeaderField:@"Content-Length"];
// now lets make the connection to the web
NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
}
}