fflush
(PHP 4 >= 4.0.1, PHP 5)
fflush — Flushes the output to a file
Description
bool fflush
( resource
$handle
)
This function forces a write of all buffered output to the resource
pointed to by the file handle.
Parameters
-
handle -
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);
?>
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