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

Answer & Solution

Answer: Option A
Solution:
When opening a file in 'r' mode, PHP allows only reading data from the file. Attempts to write or modify the file will fail.
Related Questions on Average

Which function is used to write data to a file in PHP?

A). fwrite()

B). fput()

C). file_write()

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

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

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

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()

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

A). w

B). r

C). a

D). wb