Which function is used to open a file in PHP?
A). fopen()
B). readfile()
C). file_get_contents()
D). file_put_contents()
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
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 function is used to write data to a file in PHP?
A). fwrite()
B). fput()
C). file_write()
D). put_file()
Which function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). file_check()
D). check_file()
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 read the entire content of a file into a string in PHP?
A). file_get_contents()
B). fread()
C). fget_contents()
D). read_file()
Which function is used to read a single line from a file in PHP?
A). fgets()
B). fread()
C). fget()
D). readline()
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