filesize

(PHP 3, PHP 4 , PHP 5)

filesize -- Gets file size

Description

int filesize ( string filename)

Returns the size of the file in bytes, or FALSE in case of an error.

Bemærk: Because PHP's integer type is signed and many platforms use 32bit integers, filesize() may return unexpected results for files which are larger than 2GB. For files between 2GB and 4GB in size this can usually be overcome by using sprintf("%u", filesize($file)).

Bemærk: Resultatet af denne funktion er cached. Se clearstatcache() for flere detaljer.

Vink: Fra og med PHP 5.0.0 kan denne funktion også bruges med nogle URL wrappers. Se Appendiks L for en liste over hvilke wrappers understøtter stat() familiens funktionalitet.

Eksempel 1. filesize() example

<?php

// outputs e.g.  somefile.txt: 1024 bytes

$filename = 'somefile.txt';
echo
$filename . ': ' . filesize($filename) . ' bytes';

?>

See also file_exists()