visualizer / vendor / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Settings.php

Settings.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.9.4, at vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Settings.php

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1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet;
4
5	use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
6	use PhpOffice\PhpSpreadsheet\Chart\Renderer\IRenderer;
7	use PhpOffice\PhpSpreadsheet\Collection\Memory;
8	use Psr\SimpleCache\CacheInterface;
9
10	class Settings
11	{
12	/**
13	* Class name of the chart renderer used for rendering charts
14	* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph.
15	*
16	* @var string
17	*/
18	private static $chartRenderer;
19
20	/**
21	* Default options for libxml loader.
22	*
23	* @var int
24	*/
25	private static $libXmlLoaderOptions = null;
26
27	/**
28	* Allow/disallow libxml_disable_entity_loader() call when not thread safe.
29	* Default behaviour is to do the check, but if you're running PHP versions
30	* 7.2 < 7.2.1
31	* 7.1 < 7.1.13
32	* 7.0 < 7.0.27
33	* 5.6 ANY
34	* then you may need to disable this check to prevent unwanted behaviour in other threads
35	* SECURITY WARNING: Changing this flag is not recommended.
36	*
37	* @var bool
38	*/
39	private static $libXmlDisableEntityLoader = true;
40
41	/**
42	* The cache implementation to be used for cell collection.
43	*
44	* @var CacheInterface
45	*/
46	private static $cache;
47
48	/**
49	* Set the locale code to use for formula translations and any special formatting.
50	*
51	* @param string $locale The locale code to use (e.g. "fr" or "pt_br" or "en_uk")
52	*
53	* @return bool Success or failure
54	*/
55	public static function setLocale($locale)
56	{
57	return Calculation::getInstance()->setLocale($locale);
58	}
59
60	/**
61	* Identify to PhpSpreadsheet the external library to use for rendering charts.
62	*
63	* @param string $rendererClass Class name of the chart renderer
64	* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
65	*
66	* @throws Exception
67	*/
68	public static function setChartRenderer($rendererClass)
69	{
70	if (!is_a($rendererClass, IRenderer::class, true)) {
71	throw new Exception('Chart renderer must implement ' . IRenderer::class);
72	}
73
74	self::$chartRenderer = $rendererClass;
75	}
76
77	/**
78	* Return the Chart Rendering Library that PhpSpreadsheet is currently configured to use.
79	*
80	* @return null\|string Class name of the chart renderer
81	* eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
82	*/
83	public static function getChartRenderer()
84	{
85	return self::$chartRenderer;
86	}
87
88	/**
89	* Set default options for libxml loader.
90	*
91	* @param int $options Default options for libxml loader
92	*/
93	public static function setLibXmlLoaderOptions($options)
94	{
95	if ($options === null && defined('LIBXML_DTDLOAD')) {
96	$options = LIBXML_DTDLOAD \| LIBXML_DTDATTR;
97	}
98	self::$libXmlLoaderOptions = $options;
99	}
100
101	/**
102	* Get default options for libxml loader.
103	* Defaults to LIBXML_DTDLOAD \| LIBXML_DTDATTR when not set explicitly.
104	*
105	* @return int Default options for libxml loader
106	*/
107	public static function getLibXmlLoaderOptions()
108	{
109	if (self::$libXmlLoaderOptions === null && defined('LIBXML_DTDLOAD')) {
110	self::setLibXmlLoaderOptions(LIBXML_DTDLOAD \| LIBXML_DTDATTR);
111	} elseif (self::$libXmlLoaderOptions === null) {
112	self::$libXmlLoaderOptions = true;
113	}
114
115	return self::$libXmlLoaderOptions;
116	}
117
118	/**
119	* Enable/Disable the entity loader for libxml loader.
120	* Allow/disallow libxml_disable_entity_loader() call when not thread safe.
121	* Default behaviour is to do the check, but if you're running PHP versions
122	* 7.2 < 7.2.1
123	* 7.1 < 7.1.13
124	* 7.0 < 7.0.27
125	* 5.6 ANY
126	* then you may need to disable this check to prevent unwanted behaviour in other threads
127	* SECURITY WARNING: Changing this flag to false is not recommended.
128	*
129	* @param bool $state
130	*/
131	public static function setLibXmlDisableEntityLoader($state)
132	{
133	self::$libXmlDisableEntityLoader = (bool) $state;
134	}
135
136	/**
137	* Return the state of the entity loader (disabled/enabled) for libxml loader.
138	*
139	* @return bool $state
140	*/
141	public static function getLibXmlDisableEntityLoader()
142	{
143	return self::$libXmlDisableEntityLoader;
144	}
145
146	/**
147	* Sets the implementation of cache that should be used for cell collection.
148	*
149	* @param CacheInterface $cache
150	*/
151	public static function setCache(CacheInterface $cache)
152	{
153	self::$cache = $cache;
154	}
155
156	/**
157	* Gets the implementation of cache that should be used for cell collection.
158	*
159	* @return CacheInterface
160	*/
161	public static function getCache()
162	{
163	if (!self::$cache) {
164	self::$cache = new Memory();
165	}
166
167	return self::$cache;
168	}
169	}
170