chmod() function is used to change file permissions in PHP. It allows you to set read, write, and execute permissions for the owner, group, and others on a file.
Which PHP function checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_file()
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
What PHP function is used to delete a file?
A). unlink()
B). remove()
C). delete()
D). file_delete()
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 returns the size of a file?
A). filesize()
B). get_filesize()
C). file_size()
D). size()
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 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 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
Which PHP function sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()