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Mini Shell
<?php
namespace ElementPack;
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
class Utils {
/**
* A list of safe tage for `get_valid_html_tag` method.
*/
const ALLOWED_HTML_WRAPPER_TAGS = [
'article',
'aside',
'div',
'footer',
'h1',
'h2',
'h3',
'h4',
'h5',
'h6',
'header',
'main',
'nav',
'p',
'section',
'span',
];
public static function get_client_ip() {
$server_ip_keys = [
'HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'REMOTE_ADDR',
];
foreach ( $server_ip_keys as $key ) {
if ( isset( $_SERVER[ $key ] ) && filter_var( $_SERVER[ $key ], FILTER_VALIDATE_IP ) ) {
return $_SERVER[ $key ];
}
}
// Fallback local ip.
return '127.0.0.1';
}
public static function get_site_domain() {
return str_ireplace( 'www.', '', parse_url( home_url(), PHP_URL_HOST ) );
}
public static function readable_num( $size ) {
$l = substr( $size, -1 );
$ret = substr( $size, 0, -1 );
switch ( strtoupper( $l ) ) {
case 'P':
$ret *= 1024;
break;
case 'T':
$ret *= 1024;
break;
case 'G':
$ret *= 1024;
break;
case 'M':
$ret *= 1024;
break;
case 'K':
$ret *= 1024;
}
return $ret;
}
/**
* Validate an HTML tag against a safe allowed list.
* @param string $tag
* @return string
*/
public static function get_valid_html_tag( $tag ) {
return in_array( strtolower( $tag ), self::ALLOWED_HTML_WRAPPER_TAGS ) ? $tag : 'div';
}
/**
* Get placeholder image source.
* Retrieve the source of the placeholder image.
* @since 5.7.6
* @access public
* @static
* @return string The source of the default placeholder image used by Elementor.
*/
public static function get_placeholder_image_src() {
$placeholder_image = ELEMENTOR_ASSETS_URL . 'images/placeholder.png';
return $placeholder_image;
}
/**
* For get wp environment for element pack
* @return [type] [description]
*/
public static function get_environment_info(){
// Figure out cURL version, if installed.
$curl_version = '';
if ( function_exists( 'curl_version' ) ) {
$curl_version = curl_version();
$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
}
// WP memory limit.
$wp_memory_limit = self::readable_num(WP_MEMORY_LIMIT);
if ( function_exists( 'memory_get_usage' ) ) {
$wp_memory_limit = max( $wp_memory_limit, self::readable_num( @ini_get( 'memory_limit' ) ) );
}
return array(
'home_url' => get_option( 'home' ),
'site_url' => get_option( 'siteurl' ),
'version' => BDTEP_VER,
'wp_version' => get_bloginfo( 'version' ),
'wp_multisite' => is_multisite(),
'wp_memory_limit' => $wp_memory_limit,
'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
'language' => get_locale(),
'external_object_cache' => wp_using_ext_object_cache(),
'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
'php_version' => phpversion(),
'php_post_max_size' => self::readable_num( ini_get( 'post_max_size' ) ),
'php_max_execution_time' => ini_get( 'max_execution_time' ),
'php_max_input_vars' => ini_get( 'max_input_vars' ),
'curl_version' => $curl_version,
'suhosin_installed' => extension_loaded( 'suhosin' ),
'max_upload_size' => wp_max_upload_size(),
'default_timezone' => date_default_timezone_get(),
'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) || function_exists( 'curl_init' ) ),
'soapclient_enabled' => class_exists( 'SoapClient' ),
'domdocument_enabled' => class_exists( 'DOMDocument' ),
'gzip_enabled' => is_callable( 'gzopen' ),
'mbstring_enabled' => extension_loaded( 'mbstring' ),
);
}
/**
* Get timezone string.
*
* Retrieve timezone string from the WordPress database.
*
* @since 1.0.0
* @access public
* @static
*
* @return string Timezone string.
*/
public static function get_timezone_string() {
$current_offset = (float) get_option( 'gmt_offset' );
$timezone_string = get_option( 'timezone_string' );
// Create a UTC+- zone if no timezone string exists.
if ( empty( $timezone_string ) ) {
if ( $current_offset < 0 ) {
$timezone_string = 'UTC' . $current_offset;
} else {
$timezone_string = 'UTC+' . $current_offset;
}
}
return $timezone_string;
}
}
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