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.
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 mode should be used to open a file for both reading and writing in PHP?
A). r+
B). w+
C). a+
D). rb+
How do you get the file size in PHP?
A). filesize()
B). get_file_size()
C). file_size()
D). size()
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
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 function is used to delete a file in PHP?
A). unlink()
B). delete_file()
C). remove_file()
D). erase()
How do you check if a file is writable in PHP?
A). is_writable()
B). can_write()
C). is_writeable()
D). writable_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