e2pdf / classes / helper / e2pdf-helper.php

e2pdf-helper.php in E2Pdf – Export Pdf Tool for WordPress 1.01.01, at classes/helper/e2pdf-helper.php

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1	<?php
2
3	/**
4	* E2pdf 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_Helper {
17
18	protected static $instance = NULL;
19	private $helper;
20
21	const CHMOD_DIR = 0755;
22	const CHMOD_FILE = 0644;
23
24	public static function instance() {
25	if (!isset(self::$instance)) {
26	self::$instance = new self();
27	}
28	return self::$instance;
29	}
30
31	/**
32	* Set option by Key
33	*
34	* @param string $key - Key of option
35	* @param mixed $value - Value of option
36	*/
37	public function set($key, $value) {
38	if (!$this->helper) {
39	$this->helper = new stdClass();
40	}
41	$this->helper->$key = $value;
42	}
43
44	/**
45	* Add value to option by Key
46	*
47	* @param string $key - Key of option
48	* @param mixed $value - Value of option
49	*/
50	public function add($key, $value) {
51	if (!$this->helper) {
52	$this->helper = new stdClass();
53	}
54
55	if (isset($this->helper->$key)) {
56	if (is_array($this->helper->$key)) {
57	array_push($this->helper->$key, $value);
58	}
59	} else {
60	$this->helper->$key = array();
61	array_push($this->helper->$key, $value);
62	}
63	}
64
65	/**
66	* Unset option
67	*
68	* @param string $key - Key of option
69	*/
70	public function deset($key) {
71	if (isset($this->helper->$key)) {
72	unset($this->helper->$key);
73	}
74	}
75
76	/**
77	* Set option
78	*
79	* @param string $key - Key of option
80	*
81	* @return mixed - Get value of option by Key
82	*/
83	public function get($key) {
84	if (isset($this->helper->$key)) {
85	return $this->helper->$key;
86	} else {
87	return '';
88	}
89	}
90
91	/**
92	* Get url path
93	*
94	* @param string $url - Url path
95	*
96	* @return string - Url path
97	*/
98	public function get_url_path($url) {
99	return plugins_url($url, $this->get('plugin_file_path'));
100	}
101
102	/**
103	* Get url
104	*
105	* @param array $data - Array list of url params
106	* @param string $prefix - Prefix of url
107	*
108	* @return string Url
109	*/
110	public function get_url($data = array(), $prefix = 'admin.php?') {
111	$url = $prefix . http_build_query($data);
112	return admin_url($url);
113	}
114
115	/**
116	* Get Ip address
117	*
118	* @return mixed - IP address or FALSE
119	*/
120	public function get_ip() {
121
122	if (isset($_SERVER['REMOTE_ADDR'])) {
123	$ip = $_SERVER['REMOTE_ADDR'];
124	} else {
125	$ip = false;
126	}
127
128	return $ip;
129	}
130
131	/**
132	* Convert from bytes to Human View
133	*
134	* @param int $size - Size in Bytes
135	*
136	* @return string - Converted size
137	*/
138	public function convert($size) {
139	$unit = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
140	return @round($size / pow(1024, ($i = floor(log($size, 1024)))), 2) . '' . $unit[$i];
141	}
142
143	public function hexColorAllocate($hex = '') {
144	$color = array(
145	0x00, 0x00, 0x00
146	);
147	$hex = ltrim($hex, '#');
148	if (strlen($hex) === 3) {
149	$color = array(
150	hexdec(substr($hex, 0, 1)),
151	hexdec(substr($hex, 1, 1)),
152	hexdec(substr($hex, 2, 1))
153	);
154	} elseif (strlen($hex) === 6) {
155	$color = array(
156	hexdec(substr($hex, 0, 2)),
157	hexdec(substr($hex, 2, 2)),
158	hexdec(substr($hex, 4, 2))
159	);
160	}
161	return $color;
162	}
163
164	/**
165	* Remove dir and its content
166	*
167	* @param string $dir - Path of directory to remove
168	*/
169	public function delete_dir($dir) {
170	if (!is_dir($dir)) {
171	return;
172	}
173	if (substr($dir, strlen($dir) - 1, 1) != '/') {
174	$dir .= '/';
175	}
176	$files = glob($dir . '*', GLOB_MARK);
177	foreach ($files as $file) {
178	if (is_dir($file)) {
179	$this->delete_dir($file);
180	} else {
181	unlink($file);
182	}
183	}
184	rmdir($dir);
185	}
186
187	public function create_dir($dir = false) {
188	if ($dir && !file_exists($dir)) {
189	if (mkdir($dir, self::CHMOD_DIR)) {
190	$index = $dir . 'index.php';
191	$this->create_file($index, "<?php\n// Silence is golden.\n?>");
192	}
193	}
194	return is_dir($dir);
195	}
196
197	public function create_file($file = false, $content = '') {
198	if ($file && !file_exists($file)) {
199	if (file_put_contents($file, $content)) {
200	chmod($file, self::CHMOD_FILE);
201	}
202	}
203	return is_file($file);
204	}
205
206	public function get_upload_url($path = false) {
207
208	$wp_upload_dir = wp_upload_dir();
209
210	if ($path) {
211	return $wp_upload_dir['baseurl'] . "/" . basename(untrailingslashit($this->get('upload_dir'))) . "/" . $path;
212	} else {
213	return $wp_upload_dir['baseurl'] . "/" . basename(untrailingslashit($this->get('upload_dir')));
214	}
215	}
216
217	}
218