Php/docs/function.fflush
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fflush
(PHP 4 >= 4.0.1, PHP 5, PHP 7)
fflush — Flushes the output to a file
Description
fflush
( resource $handle
) : bool
This function forces a write of all buffered output to the resource
pointed to by the file handle.
Parameters
handle- The file pointer must be valid, and must point to a file successfully opened by fopen() or fsockopen() (and not yet closed by fclose()).
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 File write example using fflush()
<?php$filename = 'bar.txt';$file = fopen($filename, 'r+');rewind($file);fwrite($file, 'Foo');fflush($file);ftruncate($file, ftell($file));fclose($file);?>
