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
Which mode should be used to open a file for writing in PHP?
A). w
B). r
C). a
D). wb
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 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 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 readable in PHP?
A). is_readable()
B). can_read()
C). is_read()
D). readable_file()
How do you close a file after reading from it in PHP?
A). fclose()
B). close()
C). endfile()
D). finish()
What is the purpose of the 'b' mode when opening a file in PHP?
A). Binary mode for reading and writing data
B). Read mode for large files
C). Backup mode for file operations
D). Buffer mode for file handling