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 function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). file_check()
D). check_file()
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
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 '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
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 function is used to delete a file in PHP?
A). unlink()
B). delete_file()
C). remove_file()
D). erase()
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 open a file in PHP?
A). fopen()
B). readfile()
C). file_get_contents()
D). file_put_contents()
Which mode should be used to open a file for both reading and writing in PHP?
A). r+
B). w+
C). a+
D). rb+