PhpRiot
Become Zend Certified

Prepare for the ZCE exam using our quizzes (web or iPad/iPhone). More info...


When you're ready get 7.5% off your exam voucher using voucher CJQNOV23 at the Zend Store

SplFileObject::ftruncate

(PHP 5 >= 5.1.0)

SplFileObject::ftruncateTruncates the file to a given length

Description

public bool SplFileObject::ftruncate ( int $size )

Truncates the file to size bytes.

Parameters

size

The size to truncate to.

Note:

If size is larger than the file it is extended with null bytes.

If size is smaller than the file, the extra data will be lost.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 SplFileObject::ftruncate example

<?php
// Create file containing "Hello World!"
$file = new SplFileObject("/tmp/ftruncate""w+");
$file->fwrite("Hello World!");

// Truncate to 5 bytes
$file->ftruncate(5);

// Rewind and read data
$file->rewind();
echo 
$file->fgets();
?>

The above example will output something similar to:

Hello

See Also

PHP Manual