utils.php — Element Pack – Widgets, Templates & Addons for Elementor 5.10.21

bdthemes-element-pack-lite / includes / utils.php

bdthemes-element-pack-lite / includes Last commit date

utils.php

179 lines

1	<?php
2	namespace ElementPack;
3
4	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
5
6	class Utils {
7
8	/**
9	* A list of safe tage for `get_valid_html_tag` method.
10	*/
11	const ALLOWED_HTML_WRAPPER_TAGS = [
12	'article',
13	'aside',
14	'div',
15	'footer',
16	'h1',
17	'h2',
18	'h3',
19	'h4',
20	'h5',
21	'h6',
22	'header',
23	'main',
24	'nav',
25	'p',
26	'section',
27	'span',
28	];
29
30	public static function get_client_ip() {
31	$server_ip_keys = [
32	'HTTP_CLIENT_IP',
33	'HTTP_X_FORWARDED_FOR',
34	'HTTP_X_FORWARDED',
35	'HTTP_X_CLUSTER_CLIENT_IP',
36	'HTTP_FORWARDED_FOR',
37	'HTTP_FORWARDED',
38	'REMOTE_ADDR',
39	];
40
41	foreach ( $server_ip_keys as $key ) {
42	if ( isset( $_SERVER[ $key ] ) && filter_var( $_SERVER[ $key ], FILTER_VALIDATE_IP ) ) {
43	return $_SERVER[ $key ];
44	}
45	}
46
47	// Fallback local ip.
48	return '127.0.0.1';
49	}
50
51	public static function get_site_domain() {
52	return str_ireplace( 'www.', '', parse_url( home_url(), PHP_URL_HOST ) );
53	}
54
55	public static function readable_num( $size ) {
56	$l = substr( $size, -1 );
57	$ret = substr( $size, 0, -1 );
58
59	switch ( strtoupper( $l ) ) {
60	case 'P':
61	$ret *= 1024;
62	break;
63	case 'T':
64	$ret *= 1024;
65	break;
66	case 'G':
67	$ret *= 1024;
68	break;
69	case 'M':
70	$ret *= 1024;
71	break;
72	case 'K':
73	$ret *= 1024;
74	}
75	return $ret;
76	}
77
78	/**
79	* Validate an HTML tag against a safe allowed list.
80	* @param string $tag
81	* @return string
82	*/
83	public static function get_valid_html_tag( $tag ) {
84	return in_array( strtolower( $tag ), self::ALLOWED_HTML_WRAPPER_TAGS ) ? $tag : 'div';
85	}
86
87	/**
88	* Get placeholder image source.
89	* Retrieve the source of the placeholder image.
90	* @since 5.7.6
91	* @access public
92	* @static
93	* @return string The source of the default placeholder image used by Elementor.
94	*/
95	public static function get_placeholder_image_src() {
96	$placeholder_image = ELEMENTOR_ASSETS_URL . 'images/placeholder.png';
97
98	return $placeholder_image;
99	}
100
101	/**
102	* For get wp environment for element pack
103	* @return [type] [description]
104	*/
105	public static function get_environment_info(){
106
107	// Figure out cURL version, if installed.
108	$curl_version = '';
109	if ( function_exists( 'curl_version' ) ) {
110	$curl_version = curl_version();
111	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
112	}
113
114
115	// WP memory limit.
116	$wp_memory_limit = self::readable_num(WP_MEMORY_LIMIT);
117	if ( function_exists( 'memory_get_usage' ) ) {
118	$wp_memory_limit = max( $wp_memory_limit, self::readable_num( @ini_get( 'memory_limit' ) ) );
119	}
120
121
122	return array(
123	'home_url' => get_option( 'home' ),
124	'site_url' => get_option( 'siteurl' ),
125	'version' => BDTEP_VER,
126	'wp_version' => get_bloginfo( 'version' ),
127	'wp_multisite' => is_multisite(),
128	'wp_memory_limit' => $wp_memory_limit,
129	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
130	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
131	'language' => get_locale(),
132	'external_object_cache' => wp_using_ext_object_cache(),
133	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
134	'php_version' => phpversion(),
135	'php_post_max_size' => self::readable_num( ini_get( 'post_max_size' ) ),
136	'php_max_execution_time' => ini_get( 'max_execution_time' ),
137	'php_max_input_vars' => ini_get( 'max_input_vars' ),
138	'curl_version' => $curl_version,
139	'suhosin_installed' => extension_loaded( 'suhosin' ),
140	'max_upload_size' => wp_max_upload_size(),
141	'default_timezone' => date_default_timezone_get(),
142	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
143	'soapclient_enabled' => class_exists( 'SoapClient' ),
144	'domdocument_enabled' => class_exists( 'DOMDocument' ),
145	'gzip_enabled' => is_callable( 'gzopen' ),
146	'mbstring_enabled' => extension_loaded( 'mbstring' ),
147	);
148
149	}
150
151	/**
152	* Get timezone string.
153	*
154	* Retrieve timezone string from the WordPress database.
155	*
156	* @since 1.0.0
157	* @access public
158	* @static
159	*
160	* @return string Timezone string.
161	*/
162	public static function get_timezone_string() {
163	$current_offset = (float) get_option( 'gmt_offset' );
164	$timezone_string = get_option( 'timezone_string' );
165
166	// Create a UTC+- zone if no timezone string exists.
167	if ( empty( $timezone_string ) ) {
168	if ( $current_offset < 0 ) {
169	$timezone_string = 'UTC' . $current_offset;
170	} else {
171	$timezone_string = 'UTC+' . $current_offset;
172	}
173	}
174
175	return $timezone_string;
176	}
177
178	}
179