getimagesize

PHP - getimagesize Function

Does getimagesize use an extra HTTP request or can it find out the size remotely? NOTE: The image is external ...

What kind of file types does PHP getimagesize() return?

Does anyone know all the possible results for the 3rd value returned from PHP's getimagesize() function? Example this code below will return $imageinfo['2'] = 2; for a jpg image $imageinfo['2'] = 3; for a png image $imageinfo['2'] = 0; for a gif image the numbers might not be correct above but you get the idea. I can not find on ph...

Handle error when getimagesize can't find file

Hi, when I'm trying to getimagesize($img) and the image dos't exist I get an error. I don't wont to first check if the file exist, just handle the error. I'm not sure how try-catch works, but I wont to do like: try: getimagesize($img) $works = true catch: $works = flase ...

getimagesize() returns false on some images

I'm running getimagesize() to determine whether or not an uploaded file is a valid image and also it's MIME type. A user of my webapp reported that some of his images where getting an "invalid filetype" error after uploading them. So I asked him to send me some of them to check. Here's one. The error string itself is meaningless as it's...

Not able to get image file extension

I'm using Uploadify to upload an image to the server. The image is uploaded, and placed in the temp folder of the web server. Now I need to work with the file beore moving it to it's real location, and I have the following code: // Get the filepath and filename from server temp dir $sourceFile = $_FILES[ 'Filedata' ][ 'tmp_name' ]; /...

Using max-width = 100% and max-height = 100% on an image, calculate the display width/height

I am creating a slideshow for images of various sizes to display centered vertically and horizontally within a canvas area. In my CSS, I set the width and height of the image to 100% so that each image would proportionally fill the canvas. I want the canvas to auto-size itself to fit within the viewer's screensize as the original size o...

PHP getimagesize with ampersand in string creates errors

I'm using the getimagesize function in PHP, and the path string contains an ampersand, which otherwise is fine. The page gives me errors where getimagesize() is called. Looking at the source code, though, I see the ampersand is being passed through as & rather than just & I presume this is causing errors because PHP doesn't need to conv...

PHP problem with getimagesize()

I'm using the getimagesize() function in PHP and it keeps returning an error: getimagesize(image.php?name=username&pic=picture) [function.getimagesize]: failed to open stream: No such file or directory I'm not doing anything strange with it. The only problem I can imagine is that the path URL is another PHP script that returns a pa...

How to get the height of an Image in Silverlight?

I have this code in Silverlight: Image image = new Image(); BitmapImage bitmapImage= TheDatasourceManager.GetBitmapImage("blackPencil"); image.Source = bitmapImage; image.Stretch = Stretch.None; image.HorizontalAlignment = HorizontalAlignment.Left; image.VerticalAlignment = VerticalAlignment.Top; image.Margin = new Thickness(88, 88, 0, ...

Automatically adding width and height attributes to <img> tags with a PHP function

What I want is a function I can run on user input that will intelligently find and add the width and height attributes to any <img> tag in a blob of HTML so as to avoid page-reflowing issues while images load. I am writing the posting script for a PHP forum, where a user's input is sanitised and generally made nicer before writing it to...

PHP newbie CURL and array question

UPDATED: I've simplified the code (tried to) I'm trying to download a series of images as set in an array, but something is clearly not right: function savePhoto($remoteImage,$fname) { $ch = curl_init(); curl_setopt ($ch, CURLOPT_NOBODY, true); curl_setopt ($ch, CURLOPT_URL, $remoteImage); curl_setopt ($ch, CURLOPT_RETU...

Getting size of javascript preloaded image

Hi I'm trying to preload a number of images generated on the server to a small website. The preloading is done using setWindowTimeout and uses an Image object, sets the onload callback and then applies the new request uri. For some requests, the server may have to signal that the image is 'unchanged' and I'm doing it by sending done a...

Slow getimagesize

Hi all, I need to show multiple posts on my website. These posts are combined of internal and external posts. The external posts are periodically imported and saved in my DB using a cronjob. Before showing the posts I extract the text from all HTML. In addition I try to locate the first image contained in the post, continuing until I f...

php get the KB size of an image

i've been googleing but all i get is getimagesize and filesize. getimagesize dosent get the KB size just width and height which is not what im looking for. filesize give me the message Warning: filesize() [function.filesize]: stat failed for the file in question is 51kb .jpg file $imgsize=filesize("http://localhost/projects/site/schwe...