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 superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
Which PHP function removes a directory?
A). rmdir()
B). removedir()
C). deletedir()
D). unlink()
What is the purpose of the PHP function is_file()?
A). Checks if a path is a regular file
B). Checks if a path is a directory
C). Checks if a file is writable
D). Checks if a file is readable
What attribute is required in HTML forms for file uploads?
A). enctype='multipart/form-data'
B). method='file'
C). enctype='application/x-www-form-urlencoded'
D). enctype='text/plain'
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
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
What is the purpose of the PHP function fileatime()?
A). Retrieves the last access time of a file
B). Retrieves the last modified time of a file
C). Retrieves the creation time of a file
D). Retrieves the last status change time of a file
Which PHP function is used to handle file uploads?
A). move_uploaded_file()
B). copy()
C). rename()
D). fopen()