(PHP 4 >= 4.0.1, PHP 5, PHP 7)
Flushes the output to a file
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()).
Returns:
Returns TRUE
on success or FALSE
on failure.
Examples:
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); ?>
See also:
fwrite() -
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