fopen(), the function returns false, indicating that the file couldn't be opened.
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 is the purpose of the 'r' mode when opening a file in PHP?
A). Read data from a file
B). Write data to a file
C). Append data to a file
D). Truncate a 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 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()
What is the purpose of the 'x' mode when opening a file in PHP?
A). Create a new file and open it for writing
B). Read the file in exclusive mode
C). Execute the file as a PHP script
D). Export file contents to another format
Which mode should be used to open a file for both reading and writing in PHP?
A). r+
B). w+
C). a+
D). rb+
How do you check if a file is writable in PHP?
A). is_writable()
B). can_write()
C). is_writeable()
D). writable_file()
Which function is used to read a single line from a file in PHP?
A). fgets()
B). fread()
C). fget()
D). readline()
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()