Файл: classes/file.class.php
Строк: 52
<?php
defined('_VALID') or die('Restricted Access!');
class VFile
{
static function getExtension( $file )
{
return strtolower(substr($file, strrpos($file, '.')+1));
}
static function getFilename( $file )
{
return substr($file, strrpos($file, DIRECTORY_SEPARATOR)+1);
}
static function read( $path, $amount=0, $chunksize=8192, $offset=0 )
{
$data = NULL;
if ( $amount && $chunksize > $amount ) {
$chunksize = $amount;
}
if ( false === $handle = fopen($path, 'rb') ) {
return false;
}
clearstatcache();
if ( $offset ) {
fseek($handle, $offset);
}
if ( $fsize = @filesize($path)) {
if($amount && $fsize > $amount) {
$data = fread($handle, $amount);
} else {
$data = fread($handle, $fsize);
}
} else {
$data = '';
$x = 0;
while ( !feof($handle) && (!$amount || strlen($data) < $amount) ) {
$data .= fread($handle, $chunksize);
}
}
fclose($handle);
return $data;
}
static function write( $path, $data )
{
if ( !file_exists($path) ) {
$dir = dirname($path);
if ( !file_exists($dir) || !is_dir($dir) || !is_writable($dir) ) {
return false;
}
} else {
if ( !is_file($path) || !is_writable($path) ) {
return false;
}
$mode = 'a';
}
if ( !$handle = fopen($path, $mode) ) {
return false;
}
if ( fwrite($handle, $data) == FALSE ) {
return false;
}
fclose($handle);
}
static function delete( $path )
{
if ( file_exists($path) && is_file($path) ) {
@unlink($path);
}
}
}
?>