php安装php_rar扩展实现rar文件读取和解压的方法

<?php$archive_name = '/full/path/to/file.rar'$entry_name = 'path/to/archive/entry.txt'; //notice: no slash at the beginning$dir_to_extract_to = '/path/to/extract/dir';$new_entry_name = 'some.txt';$rar = rar_open($archive_name) OR die('failed to open ' . $archive_name);$entry = rar_entry_get($rar, $entry_name) OR die('failed to find ' . $entry_name . ' in ' . $archive_name);// this will create all necessary subdirs under $dir_to_extract_to$entry->extract($dir_to_extract_to); /* OR */// this will create only one new file $new_entry_name in $dir_to_extract_to$entry->extract('', $dir_to_extract_to.'/'.$new_entry_name); // this line is really not necessaryrar_close($rar);?>