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101 lines
2.7 KiB
101 lines
2.7 KiB
<?php
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/**
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* Created by PhpStorm.
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* User: Wind
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* Date: 2017/10/25
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* Time: 13:46
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*/
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$arr = [
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['id'=>1,'title'=>'first','pid'=>0,'level'=>1],
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['id'=>2,'title'=>'second','pid'=>0,'level'=>1],
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['id'=>3,'title'=>'third','pid'=>1,'level'=>2],
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['id'=>4,'title'=>'fourth','pid'=>1,'level'=>2],
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['id'=>5,'title'=>'fifth','pid'=>2,'level'=>2],
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['id'=>6,'title'=>'sixth','pid'=>3,'level'=>3],
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['id'=>7,'title'=>'seventh','pid'=>6,'level'=>4],
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['id'=>8,'title'=>'seventh','pid'=>7,'level'=>5],
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['id'=>9,'title'=>'seventh','pid'=>8,'level'=>6],
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['id'=>10,'title'=>'seventh','pid'=>8,'level'=>6],
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['id'=>11,'title'=>'seventh','pid'=>8,'level'=>6],
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];
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function tree($arr, $pid = 0, $level = 1){
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$child = [];
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foreach($arr as $v){
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// $child:孩子 $v:孩子的孩子 $childNodes:孩子的孩子的孩子，也就是说，在这个函数里，要处理子孙三代
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if($v['pid'] == $pid){ // 得到子节点后递归得到子节点的子节点
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$childNodes = tree($arr, $v['id'], $level + 1); // get childNodes's childNodes
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if($childNodes){
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$v['child'] = $childNodes;
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$v['level'] = $level;
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}
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$child[] = $v; // $v is $child's child
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}
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}
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return $child;
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}
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$tree = tree($arr,0);
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function html($tree, $level = 0){
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$str = '<ul>';
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foreach($tree as $v){
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if(isset($v['child'])){
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$str .= "<li level=\"{$v['level']}\">{$v['title']}<ul>";
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$str .= html($v['child']);
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$str .= "</ul></li>";
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}else{
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$str .= "<li level=\"{$v['level']}\">{$v['title']}</li>";
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}
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}
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return $str .= '</ul>';
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}
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html($tree);
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die;
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function file_tree($directory)
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{
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$mydir = dir($directory);
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echo "<ul>\n";
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while ($file = $mydir->read()) {
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if ($directory == '/') {
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$child = $directory . $file;
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} else {
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$child = "$directory/$file";
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}
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if ((is_dir($child)) AND ($file != ".") AND ($file != "..") AND ($file != '$RECYCLE.BIN') AND ($file != 'System Volume Information')) {
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var_dump("directory: " . $child);
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echo "<li><font color=\"#ff00cc\"><b>$file</b></font></li>\n";
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file_tree($child);
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} else
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echo "<li>$file</li>\n";
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}
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echo "</ul>\n";
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$mydir->close();
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}
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function getChmod($filepath)
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{
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return substr(base_convert(@fileperms($filepath), 10, 8), -4);
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}
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$dirs = file_tree('/');
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var_dump($dirs);
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var_dump(is_writable('/test'));
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$perms = getChmod('/test/');
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var_dump(fileperms('/test'));
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var_dump(scandir('/'));
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var_dump($_SERVER['DOCUMENT_ROOT']);
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chdir('d:/www');
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var_dump(scandir('/'));
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echo getcwd();
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