fflush
Flushes the output to a file
Description
bool fflush(resource $stream)
Parameters
-
stream
-
The file pointer must be valid, and must point to
a file successfully opened by fopen or
fsockopen (and not yet closed by
fclose).
Return Values
Returns true on success or false on failure.
Examples
Example #1 File write example using fflush
<?php
$filename = 'bar.txt';
$file = fopen($filename, 'r+');
rewind($file);
fwrite($file, 'Foo');
fflush($file);
ftruncate($file, ftell($file));
fclose($file);
?>