dependency.php

web2.0完美实现框架

<?
// from php manual page
function formatBytes($val, $digits = 3, $mode = "SI", $bB = "B"){ //$mode == "SI"|"IEC", $bB == "b"|"B"
   $si = array("", "K", "M", "G", "T", "P", "E", "Z", "Y");
   $iec = array("", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi");
   switch(strtoupper($mode)) {
       case "SI" : $factor = 1000; $symbols = $si; break;
       case "IEC" : $factor = 1024; $symbols = $iec; break;
       default : $factor = 1000; $symbols = $si; break;
   }
   switch($bB) {
       case "b" : $val *= 8; break;
       default : $bB = "B"; break;
   }
   for($i=0;$i<count($symbols)-1 && $val>=$factor;$i++)
       $val /= $factor;
   $p = strpos($val, ".");
   if($p !== false && $p > $digits) $val = round($val);
   elseif($p !== false) $val = round($val, $digits-$p);
   return round($val, $digits) . " " . $symbols[$i] . $bB;
}


$dir = $_REQUEST['lib'] == 'yui' ? '../../../' : '../../';
$node = $_REQUEST['node'];
if(strpos($node, '..') !== false){
	die('Nice try buddy.');
}

$nodes = array();
$d = dir($dir.$node);
while($f = $d->read()){
    if($f == '.' || $f == '..' || substr($f, 0, 1) == '.')continue;
    $lastmod = date('M j, Y, g:i a',filemtime($dir.$node.'/'.$f));
    if(is_dir($dir.$node.'/'.$f)){
    	$qtip = 'Type: Folder<br />Last Modified: '.$lastmod;
    	$nodes[] = array('text'=>$f, id=>$node.'/'.$f, qtip=>$qtip, iconCls=>'folder', allowDrag=>false);
    }else{
    	$size = formatBytes(filesize($dir.$node.'/'.$f), 2);
    	$qtip = 'Type: JavaScript File<br />Last Modified: '.$lastmod.'<br />Size: '.$size;
    	$nodes[] = array('text'=>$f, id=>$node.'/'.$f, leaf=>true, qtip=>$qtip, qtipTitle=>$f, cls=>'file');
    }
}
$d->close();
echo json_encode($nodes);
?>