FFLUSH(3) 1 FFLUSH(3)
fflush - Flushes the output to a file
SYNOPSIS
bool fflush (resource $handle)
DESCRIPTION
This function forces a write of all buffered output to the resource pointed to by the file $handle.
PARAMETERS
o $handle
-The file pointer must be valid, and must point to a file successfully opened by fopen(3) or fsockopen(3) (and not yet closed by
fclose(3)).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
File write example using fflush(3)
<?php
$filename = 'bar.txt';
$file = fopen($filename, 'r+');
rewind($file);
fwrite($file, 'Foo');
fflush($file);
ftruncate($file, ftell($file));
fclose($file);
?>
SEE ALSO
clearstatcache(3), fwrite(3).
PHP Documentation Group FFLUSH(3)
