How do you check if a file is readable in PHP?
A). is_readable()
B). can_read()
C). is_read()
D). readable_file()
Which function is used to read the entire content of a file into a string in PHP?
A). file_get_contents()
B). fread()
C). fget_contents()
D). read_file()
What happens if you try to open a non-existent file in 'r' mode?
A). fopen() returns false
B). A new file is created
C). The script throws an error
D). The file is opened in read mode
How do you get the file size in PHP?
A). filesize()
B). get_file_size()
C). file_size()
D). size()
Which function is used to write data to a file if the file doesn't exist in PHP?
A). file_put_contents()
B). fwrite()
C). fput()
D). put_file()
Which function is used to delete a file in PHP?
A). unlink()
B). delete_file()
C). remove_file()
D). erase()
What does the 'a' mode do when opening a file in PHP?
A). Appends data to the end of the file
B). Reads data from the file
C). Truncates the file to zero length
D). Creates a new file if it doesn't exist
Which function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). file_check()
D). check_file()
What does the 'rb' mode do when opening a file in PHP?
A). Read mode for binary files
B). Read mode for large files
C). Read mode with buffering
D). Read mode with backup
How do you check if a file is writable in PHP?
A). is_writable()
B). can_write()
C). is_writeable()
D). writable_file()