is_file() function checks if a path corresponds to a regular file and returns true if it is a file and false otherwise.
Which PHP function returns the parent directory of a file?
A). dirname()
B). realpath()
C). parentdir()
D). parent()
Which PHP function removes a directory?
A). rmdir()
B). removedir()
C). deletedir()
D). unlink()
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
Which PHP function is used to change file permissions?
A). chmod()
B). chown()
C). chgrp()
D). umask()
What is the purpose of the PHP function umask()?
A). Sets the default file permissions for new files
B). Changes file ownership
C). Checks file existence
D). Removes a 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 PHP function sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()
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
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