Settings.php
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<?php
namespace PhpOffice\PhpSpreadsheet;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Chart\Renderer\IRenderer;
use PhpOffice\PhpSpreadsheet\Collection\Memory;
use Psr\SimpleCache\CacheInterface;
class Settings
{
/**
* Class name of the chart renderer used for rendering charts
* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph.
*
* @var string
*/
private static $chartRenderer;
/**
* Default options for libxml loader.
*
* @var int
*/
private static $libXmlLoaderOptions = null;
/**
* The cache implementation to be used for cell collection.
*
* @var CacheInterface
*/
private static $cache;
/**
* Set the locale code to use for formula translations and any special formatting.
*
* @param string $locale The locale code to use (e.g. "fr" or "pt_br" or "en_uk")
*
* @return bool Success or failure
*/
public static function setLocale($locale)
{
return Calculation::getInstance()->setLocale($locale);
}
/**
* Identify to PhpSpreadsheet the external library to use for rendering charts.
*
* @param string $rendererClass Class name of the chart renderer
* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
*
* @throws Exception
*/
public static function setChartRenderer($rendererClass)
{
if (!is_a($rendererClass, IRenderer::class, true)) {
throw new Exception('Chart renderer must implement ' . IRenderer::class);
}
self::$chartRenderer = $rendererClass;
}
/**
* Return the Chart Rendering Library that PhpSpreadsheet is currently configured to use.
*
* @return null|string Class name of the chart renderer
* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
*/
public static function getChartRenderer()
{
return self::$chartRenderer;
}
/**
* Set default options for libxml loader.
*
* @param int $options Default options for libxml loader
*/
public static function setLibXmlLoaderOptions($options)
{
if ($options === null && defined('LIBXML_DTDLOAD')) {
$options = LIBXML_DTDLOAD | LIBXML_DTDATTR;
}
self::$libXmlLoaderOptions = $options;
}
/**
* Get default options for libxml loader.
* Defaults to LIBXML_DTDLOAD | LIBXML_DTDATTR when not set explicitly.
*
* @return int Default options for libxml loader
*/
public static function getLibXmlLoaderOptions()
{
if (self::$libXmlLoaderOptions === null && defined('LIBXML_DTDLOAD')) {
self::setLibXmlLoaderOptions(LIBXML_DTDLOAD | LIBXML_DTDATTR);
} elseif (self::$libXmlLoaderOptions === null) {
self::$libXmlLoaderOptions = true;
}
return self::$libXmlLoaderOptions;
}
/**
* Sets the implementation of cache that should be used for cell collection.
*
* @param CacheInterface $cache
*/
public static function setCache(CacheInterface $cache)
{
self::$cache = $cache;
}
/**
* Gets the implementation of cache that should be used for cell collection.
*
* @return CacheInterface
*/
public static function getCache()
{
if (!self::$cache) {
self::$cache = new Memory();
}
return self::$cache;
}
}