19. Which function is used to delete a file in PHP?

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

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 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 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()

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()

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 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 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