fgets() function reads a single line from a file pointer in PHP. It stops reading when it encounters a newline character (\n) or reaches the end of the file.
How do you get the file size in PHP?
A). filesize()
B). get_file_size()
C). file_size()
D). size()
Which mode should be used to open a file for writing in PHP?
A). w
B). r
C). a
D). wb
How do you close a file after reading from it in PHP?
A). fclose()
B). close()
C). endfile()
D). finish()
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 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 delete a file in PHP?
A). unlink()
B). delete_file()
C). remove_file()
D). erase()
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 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
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
Which function is used to open a file in PHP?
A). fopen()
B). readfile()
C). file_get_contents()
D). file_put_contents()