Settings.php

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<?php
if (!defined('PHPEXCEL_ROOT')) {
    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../');
    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}


class PHPExcel_Settings
{
    const PCLZIP        = 'PHPExcel_Shared_ZipArchive';
    const ZIPARCHIVE    = 'ZipArchive';

    const CHART_RENDERER_JPGRAPH    = 'jpgraph';

    const PDF_RENDERER_TCPDF            = 'tcPDF';
    const PDF_RENDERER_DOMPDF           = 'DomPDF';
    const PDF_RENDERER_MPDF             = 'mPDF';


    private static $_chartRenderers = array(
        self::CHART_RENDERER_JPGRAPH,
    );

    private static $_pdfRenderers = array(
        self::PDF_RENDERER_TCPDF,
        self::PDF_RENDERER_DOMPDF,
        self::PDF_RENDERER_MPDF,
    );


    private static $_zipClass    = self::ZIPARCHIVE;


    private static $_chartRendererName = NULL;

    private static $_chartRendererPath = NULL;


    private static $_pdfRendererName = NULL;

    private static $_pdfRendererPath = NULL;

    private static $_libXmlLoaderOptions = null;

    public static function setZipClass($zipClass)
    {
        if (($zipClass === self::PCLZIP) ||
            ($zipClass === self::ZIPARCHIVE)) {
            self::$_zipClass = $zipClass;
            return TRUE;
        }
        return FALSE;
    } // function setZipClass()


    public static function getZipClass()
    {
        return self::$_zipClass;
    } // function getZipClass()


    public static function getCacheStorageMethod()
    {
        return PHPExcel_CachedObjectStorageFactory::getCacheStorageMethod();
    } // function getCacheStorageMethod()


    public static function getCacheStorageClass()
    {
        return PHPExcel_CachedObjectStorageFactory::getCacheStorageClass();
    } // function getCacheStorageClass()


    public static function setCacheStorageMethod(
        $method = PHPExcel_CachedObjectStorageFactory::cache_in_memory,
      $arguments = array()
    )
    {
        return PHPExcel_CachedObjectStorageFactory::initialize($method, $arguments);
    } // function setCacheStorageMethod()


    public static function setLocale($locale='en_us')
    {
        return PHPExcel_Calculation::getInstance()->setLocale($locale);
    } // function setLocale()


    public static function setChartRenderer($libraryName, $libraryBaseDir)
    {
        if (!self::setChartRendererName($libraryName))
            return FALSE;
        return self::setChartRendererPath($libraryBaseDir);
    } // function setChartRenderer()


    public static function setChartRendererName($libraryName)
    {
        if (!in_array($libraryName,self::$_chartRenderers)) {
            return FALSE;
        }

        self::$_chartRendererName = $libraryName;

        return TRUE;
    } // function setChartRendererName()


    public static function setChartRendererPath($libraryBaseDir)
    {
        if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
            return FALSE;
        }
        self::$_chartRendererPath = $libraryBaseDir;

        return TRUE;
    } // function setChartRendererPath()


    public static function getChartRendererName()
    {
        return self::$_chartRendererName;
    } // function getChartRendererName()


    public static function getChartRendererPath()
    {
        return self::$_chartRendererPath;
    } // function getChartRendererPath()


    public static function setPdfRenderer($libraryName, $libraryBaseDir)
    {
        if (!self::setPdfRendererName($libraryName))
            return FALSE;
        return self::setPdfRendererPath($libraryBaseDir);
    } // function setPdfRenderer()


    public static function setPdfRendererName($libraryName)
    {
        if (!in_array($libraryName,self::$_pdfRenderers)) {
            return FALSE;
        }

        self::$_pdfRendererName = $libraryName;

        return TRUE;
    } // function setPdfRendererName()


    public static function setPdfRendererPath($libraryBaseDir)
    {
        if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
            return FALSE;
        }
        self::$_pdfRendererPath = $libraryBaseDir;

        return TRUE;
    } // function setPdfRendererPath()


    public static function getPdfRendererName()
    {
        return self::$_pdfRendererName;
    } // function getPdfRendererName()

    public static function getPdfRendererPath()
    {
        return self::$_pdfRendererPath;
    } // function getPdfRendererPath()

    public static function setLibXmlLoaderOptions($options = null)
    {
        if (is_null($options) && defined(LIBXML_DTDLOAD)) {
            $options = LIBXML_DTDLOAD | LIBXML_DTDATTR;
        }
        if (version_compare(PHP_VERSION, '5.2.11') >= 0) {
            @libxml_disable_entity_loader($options == (LIBXML_DTDLOAD | LIBXML_DTDATTR)); 
        }
        self::$_libXmlLoaderOptions = $options;
    } // function setLibXmlLoaderOptions

    public static function getLibXmlLoaderOptions()
    {
        if (is_null(self::$_libXmlLoaderOptions) && defined(LIBXML_DTDLOAD)) {
            self::setLibXmlLoaderOptions(LIBXML_DTDLOAD | LIBXML_DTDATTR);
        }
        if (version_compare(PHP_VERSION, '5.2.11') >= 0) {
            @libxml_disable_entity_loader(self::$_libXmlLoaderOptions == (LIBXML_DTDLOAD | LIBXML_DTDATTR));
        }
        return self::$_libXmlLoaderOptions;
    } // function getLibXmlLoaderOptions
}