Q
What is the purpose of the 'w+' mode when opening a file in PHP?

Answer & Solution

Answer: Option A
Solution:
The 'w+' mode is used to open a file for reading and writing in PHP. It truncates the file to zero length if it already exists or creates a new file if it doesn't exist.
Related Questions on Average

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 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 '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

Which mode should be used to open a file for both reading and writing in PHP?

A). r+

B). w+

C). a+

D). rb+

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 delete a file in PHP?

A). unlink()

B). delete_file()

C). remove_file()

D). erase()

Which mode should be used to open a file for writing in PHP?

A). w

B). r

C). a

D). wb

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 read the entire content of a file into a string in PHP?

A). file_get_contents()

B). fread()

C). fget_contents()

D). read_file()