umask() function sets the default file permissions for newly created files in PHP. It allows you to define the default permissions mask for file creation.
Which PHP function sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()
What does the PHP function touch() do?
A). Updates the access and modification time of a file
B). Creates a new file
C). Deletes a file
D). Changes file permissions
What PHP function is used to delete a file?
A). unlink()
B). remove()
C). delete()
D). file_delete()
Which PHP function removes a directory?
A). rmdir()
B). removedir()
C). deletedir()
D). unlink()
What PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
Which PHP function checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_file()
Which PHP function returns the size of a file?
A). filesize()
B). get_filesize()
C). file_size()
D). size()
What is the PHP function to move an uploaded file to a new location?
A). move_uploaded_file()
B). copy()
C). rename()
D). move_file()
What does the PHP function filetype() return?
A). Type of a file
B). Size of a file
C). Extension of a file
D). Permissions of a file
Which superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST