改进版PHP复制文件夹及其内容

    <?php

function copydir($source="sources",$dest=“dog”)
{
if (!file_exists(KaTeX parse error: Expected '}', got 'EOF' at end of input: …{ mkdir(dest);
}
$handle=opendir($source);//打开sources文件夹
while (($item=readdir($handle)) !== false) {//读取文件夹
if ($item == ‘.’ || $item == ‘…’){
continue;
}
$_source = $source . ‘/’ . $item;
$_dest = $dest . ‘/’ . $item;if(i{s}_{f}ile($_source)) //文件
{
copy($_source, KaTeX parse error: Expected 'EOF', got '}' at position 17: …dest); }̲ …_source)) { //文件夹
copydir($_source, KaTeX parse error: Expected 'EOF', got '}' at position 21: …); }̲ } clos…handle);
}
copydir();
?>