php实现删除文件功能
<?phpfunction deldir($dirname){
if(!file_exists($dirname)){
die("文件不存在");
}
if(is_file($dirname)){
unlink($dirname);
}else{
$dir = opendir($dirname);
while ($filename = readdir($dir)) {
if($filename != "." && $filename != ".."){
$filename = $dirname."/".$filename;
if(is_dir($filename)){
deldir($filename); //用递归遍历目录
}else{
unlink($filename);
}
}
}
closedir($dir);
rmdir($dirname);
}
}
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