php判断文件是否可写实例代码
来源：网络 责任编辑：栏目编辑 发表时间:2013-07-01 15:17 点击:次
php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;
}
?>
<?php
$filename = test.txt;
if (is_writable($filename)) {
echo The file is writable;
} else {
echo The file is not writable;
}
?>
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