php判断文件是否可写实例代码_PHP教程

http://www.bkjia.com/PHPjc/486050.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/486050.htmlTechArticlephp判断文件是否可写： ?php $filename = test.txt; if (is_writable($filename)) { echo The file is writable; } else { echo The file is not writable; } ?...