SplFileObject::fwrite

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fwrite — Write to file

public int SplFileObject::fwrite ( string $str [, int $length ] )

Writes the contents of string to the file

str

The string to be written to the file.

length

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 0 on error.

Example #1 SplFileObject::fwrite() example

<?php
$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