How to delete files and directories in php?

In php, use rmdir() to delete directories and unlink() to delete files. How to delete a directory and all the files in the directory: first use unlink() in the while() loop to delete the files in the directory until there are no files, then jump out of the while() loop; then use rmdir() to delete the directory.

In PHP, use the rmdir() method to delete a directory, and use the unlink() method to delete a file.

The rmdir() function deletes empty directories. If successful, the function returns TRUE. On failure, returns FALSE.

unlink() function deletes files. If successful, the function returns TRUE. On failure, returns FALSE.

phpDelete the directory and all files in it

In the test.php file, create a removeDir() function with the parameter $dirName (required to delete directory name).

In the removeDir() function, use the is_dir() method to determine whether $dirName is a directory. If it is not a directory, return false. If it is a directory, use opendir. () method opens this directory.

In the removeDir() function, use the while() method to read the folder. If there is a file under the folder, use the unlink() method to delete the file; if the file If there is a non-empty folder under the folder, use the folder as a parameter, recursively call the function again to delete the files in the folder, until it is an empty folder (that is, there are no files in the folder), jump out of the while() loop, and use rmdir () method deletes a folder.

In the test.php file, use the header() method to set the encoding of the file execution to utf8 to avoid garbled characters when outputting Chinese.

In the test.php file, define a $path variable to save the folder to be deleted, and delete the folder and all the files below it by calling the removeDir() function. Files and directories. Use the if statement to judge the deletion result and output a prompt whether the deletion is successful or not.

Execute the test.php file in the browser and view the output results.

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