$url = "http://www.google.com/path/filename.jpg";
preg_match("/^.*[\/]([^\.]+)\..+/", $url, $out);
print_r($out); //Array (  => http://www.google.com/path/filename.jpg  => filename )
If you need to find the text after las occurrence, you can use regex easily.
Sometimes you can see lots of files into /tmp folder. You can remove the files with the linux remove command but it cannot be comfortable. You cannot monitor it always.
Cloudinary.com is an end-to-end image management solution for your Web and mobile applications.
If you have Multidimensional array, you can get any value by key from all arrays. There is no need to write traditional loop. You can do it with single line code.
You can start, stop and restart Imap service with single line command on linux terminal.
If you used loop for mysql result, you cannot use a loop again unless you set the pointer again.
ls -dl `find -name error_log`
If you are tired of entering password for connection ssh, you can set a ssh key. Anymore you don’t need to enter ssh key.