PHP gets all the filenames in the directory and how to determine the file and directory

Open the directory under the current directory under Pic subdirectory common. $handler = Opendir (' Pic/common '); Copy Code 2. Loop through all the files in the directory /* Where $filename = Readdir ($handler) The read file name is assigned to $filename each time the loop is passed, $filename!== false. Be sure to use!==, because if a file name is called ' 0′ ', or if some is considered false by the system, the loop will stop with! = */ while (($filename = Readdir ($handler))!== false) { Skip to the Linux directory with the name '. ' and ' ... ' of the file if ($filename! = "." && $filename! = "...") { Output file name echo $filename; } } Copy Code 3. Close the Directory Closedir ($handler); Copy Code Two, PHP judgment file and directory function code: Check whether the target object logo.jpg under the parent directory is a file. $checkResult = Is_file ('.. /logo.jpg '); Copy Code Description: If the target object is a file, the system returns TRUE, otherwise false is returned. Code: Check whether the target object logo.jpg under the parent directory is a directory. $checkResult = Is_dir ('.. /logo.jpg '); Copy Code Description: Returns False if the target object is a directory system that returns TRUE.

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