Answer & Solution
file_put_contents() is used to write data to a file in PHP. If the file doesn't exist, it creates a new file and writes the data to it. If the file already exists, its contents are overwritten.
file_put_contents() is used to write data to a file in PHP. If the file doesn't exist, it creates a new file and writes the data to it. If the file already exists, its contents are overwritten.
Which mode should be used to open a file for writing in PHP?
A). w
B). r
C). a
D). wb
Which function is used to delete a file in PHP?
A). unlink()
B). delete_file()
C). remove_file()
D). erase()
What does the 'a' mode do when opening a file in PHP?
A). Appends data to the end of the file
B). Reads data from the file
C). Truncates the file to zero length
D). Creates a new file if it doesn't exist
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 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 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 a single line from a file in PHP?
A). fgets()
B). fread()
C). fget()
D). readline()
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 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 in PHP?
A). fwrite()
B). fput()
C). file_write()
D). put_file()