php check if image url exists
Then, if it is, I want to check if that URL is an image.You can never be 100 sure but i would at least check for: Content Headers rather than extension (works even if the image is being served dynamically with the extension of ".php" or anything else) Check the content length header to make function imageexist(url) .function imageexist(url) return fileexists(url) Edit: youre correct that this does not work for remote files over HTTP(S). Use Curl for returning status to identify existence of image.
Pingback: PHP: URL auf Existenz prfen « devgeek.de: news, tutorials und links by Mark Buch(). To check if a file exists, use the fileexists method. As of PHP 5.0.0, this function can also be used with some URL wrappers.How do I remove the background from this kind of image? How to compare each item in a list with the rest, only once? if (exists(imageURL)) display image else display placeholder . But all this does is check the url exists, which it does there is just no image there.PHP mysqlrealescapestring returns empty string. Symfony2 / Twig : Generate Alternate Absolute URL Path for use with CDN? Sets three variables: protocol, robots, and exists.