ftruncate

ftruncate

Truncates a file to a given length

bool **ftruncate** resource $stream int $size

Takes the filepointer, , and truncates the file to length, . stream``size

streamThe file pointer.

Opmerking: > The must be open for writing. stream

sizeThe size to truncate to.

Opmerking: > If is larger than the file then the file is extended with null bytes. size

    If  is smaller than the file then the file
    is truncated to that size.
   `size`

return.success

Voorbeeld: File truncation example

<?php
$filename = 'lorem_ipsum.txt';

$handle = fopen($filename, 'r+');
ftruncate($handle, rand(1, filesize($filename)));
rewind($handle);
echo fread($handle, filesize($filename));
fclose($handle);
?>

Opmerking: > The file pointer is changed. not

fopen``fseek