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

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

A). w

B). r

C). a

D). wb

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

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 '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

How do you check if a file is readable in PHP?

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

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