(PHP 5 >= 5.1.0)
SplFileObject::fwrite — Write to file
Writes the contents of string to the file
The string to be written to the file.
If the length argument is given, writing will stop after length bytes have been written or the end of string is reached, whichever comes first.
Returns the number of bytes written, or NULL on error.
Example #1 SplFileObject::fwrite() example
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
The above example will output something similar to:
Wrote 5 bytes to file