[Upcase-project-cvs] UpCase/lib uc_utils.php,NONE,1.1

[<jhe...@us...>]

Update of /cvsroot/upcase-project/UpCase/lib
In directory usw-pr-cvs1:/tmp/cvs-serv29238

Added Files:
	uc_utils.php 
Log Message:
some utility functions


--- NEW FILE: uc_utils.php ---
<?php

function checkVar($varname, $default = null)
{
	if (!empty($_GET[$varname]))
		return $_GET[$varname];
	else if (!empty($_POST[$varname]))
		return $_POST[$varname];
	else
		return $default;
}

function checkVarIn($varname, $ar, $default = null)
{
	if (!empty($_GET[$varname]) && in_array($_GET[$varname], $ar))
		return $_GET[$varname];
	else if (!empty($_POST[$varname]) && in_array($_POST[$varname]))
		return $_POST[$varname];
	else
		return $default;
}

function download($src, $dest, $blkSize = 1024)
{
	$from_fd = fopen($src, "rb");
	$to_fd = fopen($dest, "wb");
	$buffer = '';
	$byteCount = 0;
	while ($buffer = fread($from_fd, $blkSize))
	{
		$res = fwrite($to_fd, $buffer, $blkSize);
		$byteCount += $res;
		flush();
		if ($res < 0)
		{
			$byteCount = -1;
			break;
		}
		if ($res < $blkSize)
			break;
	}
	fclose($from_fd);
	fclose($to_fd);
	return $blkSize;
}

function createDirectory($path)
{
	$ar = explode("/", $path);
	$p = "";
	foreach ($ar as $a)
	{
		if (!empty($a))
		{
			$p .= "/" . $a;
			if (file_exists($p))
			{
				if (!is_dir($p))
					return false;
			}
			else
				mkdir($p, 0777);
		}
	}
	return true;
}
?>