file_get_contents() is used to read the entire content of a file into a string in PHP. It simplifies file reading by handling the opening, reading, and closing of the file automatically.
Which function is used to open a file in PHP?
A). fopen()
B). readfile()
C). file_get_contents()
D). file_put_contents()
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
What is the purpose of the 'w+' mode when opening a file in PHP?
A). Read and write mode, truncates file to zero length
B). Append mode, creates new file if it doesn't exist
C). Write mode, appends data to end of file
D). Read mode, creates new file if it doesn't exist
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 '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 write data to a file if the file doesn't exist in PHP?
A). file_put_contents()
B). fwrite()
C). fput()
D). put_file()
How do you get the file size in PHP?
A). filesize()
B). get_file_size()
C). file_size()
D). size()
How do you check if a file is writable in PHP?
A). is_writable()
B). can_write()
C). is_writeable()
D). writable_file()
Which mode should be used to open a file for both reading and writing in PHP?
A). r+
B). w+
C). a+
D). rb+