SplFileObject::fflush

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fflush — Flushes the output to the file

public bool SplFileObject::fflush ( void )

Forces a write of all buffered output to the file.

This function has no parameters.

Returns TRUE on success or FALSE on failure.

Example #1 SplFileObject::fflush() example


<?php
$file = new SplFileObject('misc.txt', 'r+');
$file->rewind();
$file->fwrite("Foo");
$file->fflush();
$file->ftruncate($file->ftell());
?>