graphonline/cgi-bin/saveGraphHelpers.php

<?php
/*
   Function to save/open graph
   */

// Only latic.
function isValidName($name)
{
	return preg_match("(^[a-zA-Z]+[_test]*$)", $name);
}

function getXMLFileName($graphName, $fromRoot=false)
{
    global $g_config;
    
	$dirName = ($fromRoot ? "" : "../") . $g_config['graphSavePath'] . substr($graphName, 0, 2);

	if(!file_exists($dirName))
	{
        mkdir($dirName, 0777, true);
	}

	return $dirName . "/$graphName.xml";
}


function getImageFileName($graphName, $fromRoot=false)
{
    global $g_config;
    
    $dirName = ($fromRoot ? "" : "../") . $g_config['graphSavePath'] . substr($graphName, 0, 2);

    if(!file_exists($dirName))
    {
        mkdir($dirName, 0777, true);
    }

    return $dirName . "/$graphName.png";
}

function getSvgFileName($graphName, $fromRoot=false)
{
    global $g_config;
    
    $dirName = ($fromRoot ? "" : "../") . $g_config['graphSavePath'] . substr($graphName, 0, 2);

    if(!file_exists($dirName))
    {
        mkdir($dirName, 0777, true);
    }

    return $dirName . "/$graphName.svg";
}

    
    function saveGraphXML($graph, $name, $fromRoot = false)
    {
        $res = false;
        if (isValidName($name))
        {
            $file = fopen(getXMLFileName($name, $fromRoot), "w");
            if ($file)
            {
                fprintf($file, "%s", gzcompress($graph, -1));
                fclose($file);
                $res = true;
            }
        }
        return $res;
    }


?>