1. Which function is used to open a file in PHP?

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

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

Which function is used to check if a file exists in PHP?

A). file_exists()

B). is_file()

C). file_check()

D). check_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

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 write data to a file if the file doesn't exist in PHP?

A). file_put_contents()

B). fwrite()

C). fput()

D). put_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 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 writing in PHP?

A). w

B). r

C). a

D). wb

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

A). r+

B). w+

C). a+

D). rb+