What function can be used in PHP to delete a file from a directory?

To delete a file from a directory in PHP, you can use the `unlink()` function. This function takes the file path as an argument and removes the specified file from the directory. It is important to note that once a file is deleted using `unlink()`, it cannot be recovered, so it is recommended to double-check the file path before calling this function. 

$file_path = 'path/to/file.txt';

if (file_exists($file_path)) {
    if (unlink($file_path)) {
        echo 'File deleted successfully.';
    } else {
        echo 'Unable to delete file.';
    }
} else {
    echo 'File does not exist.';
}

Keywords

PHP function delete file directory

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