e2pdf / classes / helper / e2pdf-xml.php

e2pdf-xml.php in E2Pdf – Export Pdf Tool for WordPress 1.08.06, at classes/helper/e2pdf-xml.php

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1	<?php
2
3	/**
4	* E2pdf Zip Helper
5	*
6	* @copyright Copyright 2017 https://e2pdf.com
7	* @license GPL v2
8	* @version 1
9	* @link https://e2pdf.com
10	* @since 0.00.01
11	*/
12	if (!defined('ABSPATH')) {
13	die('Access denied.');
14	}
15
16	class Helper_E2pdf_Xml {
17
18	private $xml;
19
20	/**
21	* Check if extension simplexml available
22	*
23	* @return bool
24	*/
25	public function check() {
26	if (extension_loaded('simplexml')) {
27	return true;
28	} else {
29	return false;
30	}
31	}
32
33	/**
34	* Create new XML
35	*
36	* @param string $key - Wrapper of XML
37	*
38	* @return object - XML Object
39	*/
40	public function create($key = false) {
41	$this->set('xml', new Helper_E2pdf_SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><' . $key . '></' . $key . '>'));
42	return $this->get('xml');
43	}
44
45	/**
46	* Get XML file in Base64
47	*
48	* @return string
49	*/
50	public function get_xml() {
51	if ($this->get('xml')) {
52	return base64_encode($this->get('xml')->asXML());
53	}
54	return '';
55	}
56
57	/**
58	* Set option
59	*
60	* @param string $key - Key of option
61	* @param string $value - Value of option
62	*
63	* @return bool - Status of setting option
64	*/
65	public function set($key, $value) {
66	if (!isset($this->xml)) {
67	$this->xml = new stdClass();
68	}
69	$this->xml->$key = $value;
70	}
71
72	/**
73	* Get option by key
74	*
75	* @param string $key - Key to get assigned option value
76	*
77	* @return mixed
78	*/
79	public function get($key) {
80	if (isset($this->xml->$key)) {
81	return $this->xml->$key;
82	} else {
83	return false;
84	}
85	}
86
87	/**
88	* Get Element Attribute Value
89	*
90	* @param object $element - XML Element
91	* @param string $attribute - Attribute Name
92	*
93	* @return string\|bool
94	*/
95	public function get_node_value($element, $attribute = '') {
96	$value = "";
97	if (is_object($element) && $attribute && isset($element->attributes) && $element->attributes->getNamedItem($attribute)) {
98	$value = $element->attributes->getNamedItem($attribute)->nodeValue;
99	}
100	return $value;
101	}
102
103	/**
104	* Check Element Attribute
105	*
106	* @param object $element - XML Element
107	* @param string $attribute - Attribute Name
108	*
109	* @return string\|bool
110	*/
111	public function check_node_value($element, $attribute = '') {
112	if (is_object($element) && $attribute && isset($element->attributes) && $element->attributes->getNamedItem($attribute)) {
113	return true;
114	}
115	return false;
116	}
117
118	/**
119	* Set Element Attribute
120	*
121	* @param object $element - XML Element
122	* @param string $attribute - Attribute Name
123	* @param string $value - Attribute Value
124	* @param bool $parent - if need to modify parent node
125	*
126	* @return object
127	*/
128	public function set_node_value($element, $attribute = '', $value = '', $parent = false) {
129
130	if ($parent) {
131	if (is_object($element) && $attribute && isset($element->parentNode->attributes)) {
132	if ($element->parentNode->attributes->getNamedItem($attribute)) {
133	$element->parentNode->attributes->getNamedItem($attribute)->nodeValue = $value;
134	} elseif ($this->get('dom')) {
135	$attr = $this->get('dom')->createAttribute($attribute);
136	$attr->value = $value;
137	$element->parentNode->appendChild($attr);
138	}
139	}
140	} else {
141	if (is_object($element) && $attribute && isset($element->attributes)) {
142	if ($element->attributes->getNamedItem($attribute)) {
143	$element->attributes->getNamedItem($attribute)->nodeValue = $value;
144	} elseif ($this->get('dom')) {
145	$attr = $this->get('dom')->createAttribute($attribute);
146	$attr->value = $value;
147	$element->appendChild($attr);
148	}
149	}
150	}
151
152	return $element;
153	}
154
155	}
156