File_Exists For Remote URL
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If you want to make sure that a file exists in PHP you can use the function file_exists(), which takes one parameter of the filename. This function will not only work for files but will also work for directories, you can pass in a filename of the directory and if this directory exists the file_exists() function will return true. The problem I've seen with this function is that people have tried to use it when they want to see if a remote . . .