unset_superglobal() - Code Metrics - Inspection of "Improve code quality." - terrylinooo/shieldon - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — 2.x ( 23da62...4d98bd )

by Terry

created 2020-07-22 13:52 UTC

unset_superglobal() A

↳ Parent: Project

Complexity

Conditions	2
Paths	2

Size

Total Lines	15
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	9
c	0
b	0
f	0
nc	2
nop	2
dl	0
loc	15
rs	9.9666

<?php
/*
 * This file is part of the Shieldon package.
 *
 * (c) Terry L. <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Shieldon\Firewall;

use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\ResponseInterface;
use Shieldon\Firewall\HttpFactory;
use Shieldon\Firewall\Utils\Collection;
use Shieldon\Firewall\Utils\Container;

use function explode;
use function file_exists;
use function func_get_arg;
use function func_num_args;
use function implode;
use function is_array;
use function is_null;
use function preg_split;
use function round;
use function shell_exec;
use function str_repeat;
use function str_replace;
use function stripos;
use function strtoupper;
use function substr;
use function sys_getloadavg;
use function trim;
use const PHP_OS;

/**
 * This value will be only displayed on Firewall Panel.
 */
define('SHIELDON_FIREWALL_VERSION', '2.0');

/**
 * Just use PSR-4 autoloader to load those helper functions.
 */
class Helpers
{

}

/**
 * Get user lang.
 * 
 * This method is a part of  __()
 *
 * @return string
 */
function get_user_lang(): string
{
    static $lang;

    if (!$lang) {
        $lang = 'en';

        // Fetch session variables.
        $session = get_session();
        $panelLang = $session->get('shieldon_panel_lang');
        $uiLang = $session->get('shieldon_ui_lang');
    
        if (!empty($panelLang)) {
            $lang = $panelLang;
        } elseif (!empty($uiLang)) {
            $lang = $uiLang;
        }
    }

    return $lang;
}

/**
 * Include i18n file.
 * 
 * This method is a part of  __()
 *
 * @param string $lang
 * @param string $filename
 *
 * @return void
 */
function include_i18n_file(string $lang, string $filename): array
{
    $content = [];
    $lang = str_replace('-', '_', $lang);

    if (stripos($lang, 'zh_') !== false) {
        if (stripos($lang, 'zh_CN') !== false) {
            $lang = 'zh_CN';
        } else {
            $lang = 'zh';
        }
    }

    $file = __DIR__ . '/../../localization/' . $lang . '/' . $filename . '.php';
    
    if (file_exists($file)) {
        $content = include $file;
    }

    return $content;
}

/**
 * Get locale message.
 *
 * @return string
 */
function __(): string
{
    /**
     * Load locale string from i18n files and store them into this array 
     * for further use.
     * 
     * @var array 
     */
    static $i18n;

    /**
     * Check the file exists for not.
     *
     * @var array 
     */
    static $fileChecked;

    $num = func_num_args();

    $filename    = func_get_arg(0); // required.
    $langcode    = func_get_arg(1); // required.
    $placeholder = ($num > 2) ? func_get_arg(2) : '';
    $replacement = ($num > 3) ? func_get_arg(3) : [];
    $lang        = get_user_lang();

    if (empty($i18n[$filename]) && empty($fileChecked[$filename])) {
        $fileChecked[$filename] = true;
        $i18n[$filename] = include_i18n_file($lang, $filename);
    }

    // If we don't get the string from the localization file, use placeholder instead.
    $resultString = $placeholder;

    if (!empty($i18n[$filename][$langcode])) {
        $resultString = $i18n[$filename][$langcode];
    }

    if (is_array($replacement)) { 
        /**
         * Example:
         *     __('test', 'example_string', 'Search results: {0} items. Total items: {1}.', [5, 150]);
         * 
         * Result:
         *     Search results: 5 items. Total items: 150.
         */
        foreach ($replacement as $i => $r) {
            $resultString = str_replace('{' . $i . '}', $replacement[$i], $resultString);
        }
    }
    
    return str_replace("'", '’', $resultString);
}

/**
 * Echo string from __()
 *
 * @return void
 */
function _e(): void
{
    $num = func_num_args();

    $filename    = func_get_arg(0); // required.
    $langcode    = func_get_arg(1); // required.
    $placeholder = ($num > 2) ? func_get_arg(2) : '';
    $replacement = ($num > 3) ? func_get_arg(3) : [];

    echo __($filename, $langcode, $placeholder, $replacement);
}

/**
 * Mask strings with asterisks.
 *
 * @param string $str
 *
 * @return string
 */
function mask_string($str): string
{
    if (filter_var($str, FILTER_VALIDATE_IP) !== false) {
        $tmp = explode('.', $str);
        $tmp[0] = '*';
        $tmp[1] = '*';
        $masked = implode('.', $tmp);

    } else {
        $masked =  str_repeat('*', strlen($str) - 6) . substr(str, -6);

    }

    return $masked;
}

/**
 * Get current CPU usage information.
 *
 * This function is only used in sending notifications and it is unavailable on Win system.
 * If you are using shared hosting and your hosting provider has disabled `sys_getloadavg`
 * and `shell_exec`, it won't work either.
 *
 * @return string
 */
function get_cpu_usage(): string
{
    $return = '';

    // This feature is not available on Windows platform.
    if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
        return $return;
    }

    $cpuLoads = @sys_getloadavg();
    $cpuCores = trim(@shell_exec("grep -P '^processor' /proc/cpuinfo|wc -l"));

    if (!empty($cpuCores) && !empty($cpuLoads)) {
        $return = round($cpuLoads[1] / ($cpuCores + 1) * 100, 0) . '%';
    }
    return $return;
}

/**
 * Get current RAM usage information. 
 *
 * If you are using shared hosting and your hosting provider has disabled `shell_exec`, 
 * This function may not work.
 *
 * @return string
 */
function get_memory_usage(): string
{
    $return = '';

    // This feature is not available on Windows platform.
    if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
        return $return;
    }

    $freeResult = explode("\n", trim(@shell_exec('free')));

    if (!empty($freeResult)) {
        $parsed = preg_split("/[\s]+/", $freeResult[1]);
        $return = round($parsed[2] / $parsed[1] * 100, 0) . '%';
    }
    return $return;
}

/**
 * The default settings of Shieldon core.
 *
 * @return array
 */
function get_default_properties(): array
{
    return [

        'time_unit_quota' => [
            's' => 2,
            'm' => 10,
            'h' => 30,
            'd' => 60
        ],

        'time_reset_limit'       => 3600,
        'interval_check_referer' => 5,
        'interval_check_session' => 30,
        'limit_unusual_behavior' => [
            'cookie'  => 5,
            'session' => 5,
            'referer' => 10
        ],

        'cookie_name'         => 'ssjd',
        'cookie_domain'       => '',
        'cookie_value'        => '1',
        'display_online_info' => true,
        'display_user_info'   => false,

        /**
         * If you set this option enabled, Shieldon will record every CAPTCHA fails in a row, 
         * Once that user have reached the limitation number, Shieldon will put it as a blocked IP in rule table,
         * until the new data cycle begins.
         * 
         * Once that user have been blocked, they are still access the warning page, it means that they are not
         * humain for sure, so let's throw them into the system firewall and say goodbye to them forever.
         */
        'deny_attempt_enable' => [
            'data_circle'     => false,
            'system_firewall' => false,
        ],
        'deny_attempt_notify' => [
            'data_circle'     => false,
            'system_firewall' => false,
        ],
        'deny_attempt_buffer' => [
            'data_circle'     => 10,
            'system_firewall' => 10,
        ],

        /**
         * To prevent dropping social platform robots into iptables firewall, such as Facebook, Line, 
         * and others who scrape snapshots from your web pages, you should adjust the values below 
         * to fit your needs. (unit: second)
         */
        'record_attempt_detection_period' => 5, // 5 seconds.

        // Reset the counter after n second.
        'reset_attempt_counter' => 1800, // 30 minutes.

        // System-layer firewall, ip6table service watches this folder to 
        // receive command created by Shieldon Firewall.
        'iptables_watching_folder' => '/tmp/',
    ];
}

/**
 * PSR-7 HTTP server request
 *
 * @return ServerRequestInterface
 */
function get_request(): ServerRequestInterface
{
    $request = Container::get('request');

    if (is_null($request)) {
        $request = HttpFactory::createRequest();
        Container::set('request', $request);
    }

    return $request;
}

/**
 * PSR-7 HTTP response.
 *
 * @return ResponseInterface
 */
function get_response(): ResponseInterface
{
    $response = Container::get('response');

    if (is_null($response)) {
        $response = HttpFactory::createResponse();
        Container::set('response', $response);
    }

    return $response;
}

/**
 * Session
 *
 * @return Collection
 */
function get_session(): Collection
{
    $session = Container::get('session');

    if (is_null($session)) {
        $session = HttpFactory::createSession();
        Container::set('session', $session);
    }

    return $session;
}

/**
 * Set a PSR-7 HTTP server request into container.
 *
 * @param ServerRequestInterface $request
 *
 * @return void
 */
function set_request(ServerRequestInterface $request): void
{
    Container::set('request', $request, true);
}

/**
 * Set a PSR-7 HTTP response into container.
 *
 * @param ResponseInterface $response
 *
 * @return void
 */
function set_response(ResponseInterface $response): void
{
    Container::set('response', $response, true);
}

/**
 * Unset cookie.
 *
 * @param string|null $name The name (key) in the array of the superglobal.
 *
 * @return void
 */
function unset_global_cookie($name = null): void
{
    if (empty($name)) {
        $cookieParams = get_request()->getCookieParams();
        set_request(get_request()->withCookieParams([]));
        foreach (array_keys($cookieParams) as $name) {
            set_response(get_response()->withHeader(
                'Set-Cookie',
                "$name=; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0"
            ));
        }
        $_COOKIE = [];

        return;
    }

    $cookieParams = get_request()->getCookieParams();
    unset($cookieParams[$name]);
    set_request(get_request()->withCookieParams($cookieParams));
    set_response(get_response()->withHeader(
        'Set-Cookie',
        "$name=; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0"
    ));
    // Prevent direct access to superglobal.
    unset($_COOKIE[$name]);
}

/**
 * Unset post.
 *
 * @param string|null $name The name (key) in the array of the superglobal.
 *
 * @return void
 */
function unset_global_post($name = null): void
{
    if (empty($name)) {
        set_request(get_request()->withParsedBody([]));
        $_POST = [];

        return;
    }

    $postParams = get_request()->getParsedBody();
    unset($postParams[$name]);
    set_request(get_request()->withParsedBody($postParams));
    unset($_POST[$name]);
}

/**
 * Unset get.
 *
 * @param string|null $name The name (key) in the array of the superglobal.
 *
 * @return void
 */
function unset_global_get($name = null): void
{
    if (empty($name)) {
        set_request(get_request()->withQueryParams([]));
        $_GET = [];

        return;
    }

    $getParams = get_request()->getQueryParams();
    unset($getParams[$name]);
    set_request(get_request()->withQueryParams($getParams));
    unset($_GET[$name]);
}

/**
 * Unset session.
 *
 * @param string|null $name The name (key) in the array of the superglobal.
 *
 * @return void
 */
function unset_global_session($name = null): void
{
    if (empty($name)) {
        get_session()->clear();
        $_SESSION = [];

        return;
    }

    get_session()->remove($name);
    unset($_SESSION[$name]);
}

/**
 * Unset a variable of superglobal.
 *
 * @param string|null $name The name (key) in the array of the superglobal.
 *                          If $name is null that means clear all.
 * @return void
 */
function unset_superglobal($name, string $type): void
{
    $types = [
        'get',
        'post',
        'cookie',
        'session',
    ];

    if (!in_array($type, $types)) {
        return;
    }

    $method = '\Shieldon\Firewall\unset_global_' . $type;
    $method($name, $type);
}

1			<?php
2			/*
3			* This file is part of the Shieldon package.
4			*
5			* (c) Terry L. <[email protected]>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			declare(strict_types=1);
12
13			namespace Shieldon\Firewall;
14
15			use Psr\Http\Message\ServerRequestInterface;
16			use Psr\Http\Message\ResponseInterface;
17			use Shieldon\Firewall\HttpFactory;
18			use Shieldon\Firewall\Utils\Collection;
19			use Shieldon\Firewall\Utils\Container;
20
21			use function explode;
22			use function file_exists;
23			use function func_get_arg;
24			use function func_num_args;
25			use function implode;
26			use function is_array;
27			use function is_null;
28			use function preg_split;
29			use function round;
30			use function shell_exec;
31			use function str_repeat;
32			use function str_replace;
33			use function stripos;
34			use function strtoupper;
35			use function substr;
36			use function sys_getloadavg;
37			use function trim;
38			use const PHP_OS;
39
40			/**
41			* This value will be only displayed on Firewall Panel.
42			*/
43			define('SHIELDON_FIREWALL_VERSION', '2.0');
44
45			/**
46			* Just use PSR-4 autoloader to load those helper functions.
47			*/
48			class Helpers
49			{
50
51			}
52
53			/**
54			* Get user lang.
55			*
56			* This method is a part of __()
57			*
58			* @return string
59			*/
60			function get_user_lang(): string
61			{
62			static $lang;
63
64			if (!$lang) {
65			$lang = 'en';
66
67			// Fetch session variables.
68			$session = get_session();
69			$panelLang = $session->get('shieldon_panel_lang');
70			$uiLang = $session->get('shieldon_ui_lang');
71
72			if (!empty($panelLang)) {
73			$lang = $panelLang;
74			} elseif (!empty($uiLang)) {
75			$lang = $uiLang;
76			}
77			}
78
79			return $lang;
80			}
81
82			/**
83			* Include i18n file.
84			*
85			* This method is a part of __()
86			*
87			* @param string $lang
88			* @param string $filename
89			*
90			* @return void
91			*/
92			function include_i18n_file(string $lang, string $filename): array
93			{
94			$content = [];
95			$lang = str_replace('-', '_', $lang);
96
97			if (stripos($lang, 'zh_') !== false) {
98			if (stripos($lang, 'zh_CN') !== false) {
99			$lang = 'zh_CN';
100			} else {
101			$lang = 'zh';
102			}
103			}
104
105			$file = __DIR__ . '/../../localization/' . $lang . '/' . $filename . '.php';
106
107			if (file_exists($file)) {
108			$content = include $file;
109			}
110
111			return $content;
112			}
113
114			/**
115			* Get locale message.
116			*
117			* @return string
118			*/
119			function __(): string
120			{
121			/**
122			* Load locale string from i18n files and store them into this array
123			* for further use.
124			*
125			* @var array
126			*/
127			static $i18n;
128
129			/**
130			* Check the file exists for not.
131			*
132			* @var array
133			*/
134			static $fileChecked;
135
136			$num = func_num_args();
137
138			$filename = func_get_arg(0); // required.
139			$langcode = func_get_arg(1); // required.
140			$placeholder = ($num > 2) ? func_get_arg(2) : '';
141			$replacement = ($num > 3) ? func_get_arg(3) : [];
142			$lang = get_user_lang();
143
144			if (empty($i18n[$filename]) && empty($fileChecked[$filename])) {
145			$fileChecked[$filename] = true;
146			$i18n[$filename] = include_i18n_file($lang, $filename);
147			}
148
149			// If we don't get the string from the localization file, use placeholder instead.
150			$resultString = $placeholder;
151
152			if (!empty($i18n[$filename][$langcode])) {
153			$resultString = $i18n[$filename][$langcode];
154			}
155
156			if (is_array($replacement)) {
157			/**
158			* Example:
159			* __('test', 'example_string', 'Search results: {0} items. Total items: {1}.', [5, 150]);
160			*
161			* Result:
162			* Search results: 5 items. Total items: 150.
163			*/
164			foreach ($replacement as $i => $r) {
165			$resultString = str_replace('{' . $i . '}', $replacement[$i], $resultString);
166			}
167			}
168
169			return str_replace("'", '’', $resultString);
170			}
171
172			/**
173			* Echo string from __()
174			*
175			* @return void
176			*/
177			function _e(): void
178			{
179			$num = func_num_args();
180
181			$filename = func_get_arg(0); // required.
182			$langcode = func_get_arg(1); // required.
183			$placeholder = ($num > 2) ? func_get_arg(2) : '';
184			$replacement = ($num > 3) ? func_get_arg(3) : [];
185
186			echo __($filename, $langcode, $placeholder, $replacement);
187			}
188
189			/**
190			* Mask strings with asterisks.
191			*
192			* @param string $str
193			*
194			* @return string
195			*/
196			function mask_string($str): string
197			{
198			if (filter_var($str, FILTER_VALIDATE_IP) !== false) {
199			$tmp = explode('.', $str);
200			$tmp[0] = '*';
201			$tmp[1] = '*';
202			$masked = implode('.', $tmp);
203
204			} else {
205			$masked = str_repeat('*', strlen($str) - 6) . substr(str, -6);
			0 ignored issues – show Bug introduced 2020-07-15 19:08 UTC by Report Bug Copy Issue Report The constant `Shieldon\Firewall\str` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
206			}
207
208			return $masked;
209			}
210
211			/**
212			* Get current CPU usage information.
213			*
214			* This function is only used in sending notifications and it is unavailable on Win system.
215			* If you are using shared hosting and your hosting provider has disabled `sys_getloadavg`
216			* and `shell_exec`, it won't work either.
217			*
218			* @return string
219			*/
220			function get_cpu_usage(): string
221			{
222			$return = '';
223
224			// This feature is not available on Windows platform.
225			if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
226			return $return;
227			}
228
229			$cpuLoads = @sys_getloadavg();
230			$cpuCores = trim(@shell_exec("grep -P '^processor' /proc/cpuinfo\|wc -l"));
231
232			if (!empty($cpuCores) && !empty($cpuLoads)) {
233			$return = round($cpuLoads[1] / ($cpuCores + 1) * 100, 0) . '%';
234			}
235			return $return;
236			}
237
238			/**
239			* Get current RAM usage information.
240			*
241			* If you are using shared hosting and your hosting provider has disabled `shell_exec`,
242			* This function may not work.
243			*
244			* @return string
245			*/
246			function get_memory_usage(): string
247			{
248			$return = '';
249
250			// This feature is not available on Windows platform.
251			if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
252			return $return;
253			}
254
255			$freeResult = explode("\n", trim(@shell_exec('free')));
256
257			if (!empty($freeResult)) {
258			$parsed = preg_split("/[\s]+/", $freeResult[1]);
259			$return = round($parsed[2] / $parsed[1] * 100, 0) . '%';
260			}
261			return $return;
262			}
263
264			/**
265			* The default settings of Shieldon core.
266			*
267			* @return array
268			*/
269			function get_default_properties(): array
270			{
271			return [
272
273			'time_unit_quota' => [
274			's' => 2,
275			'm' => 10,
276			'h' => 30,
277			'd' => 60
278			],
279
280			'time_reset_limit' => 3600,
281			'interval_check_referer' => 5,
282			'interval_check_session' => 30,
283			'limit_unusual_behavior' => [
284			'cookie' => 5,
285			'session' => 5,
286			'referer' => 10
287			],
288
289			'cookie_name' => 'ssjd',
290			'cookie_domain' => '',
291			'cookie_value' => '1',
292			'display_online_info' => true,
293			'display_user_info' => false,
294
295			/**
296			* If you set this option enabled, Shieldon will record every CAPTCHA fails in a row,
297			* Once that user have reached the limitation number, Shieldon will put it as a blocked IP in rule table,
298			* until the new data cycle begins.
299			*
300			* Once that user have been blocked, they are still access the warning page, it means that they are not
301			* humain for sure, so let's throw them into the system firewall and say goodbye to them forever.
302			*/
303			'deny_attempt_enable' => [
304			'data_circle' => false,
305			'system_firewall' => false,
306			],
307			'deny_attempt_notify' => [
308			'data_circle' => false,
309			'system_firewall' => false,
310			],
311			'deny_attempt_buffer' => [
312			'data_circle' => 10,
313			'system_firewall' => 10,
314			],
315
316			/**
317			* To prevent dropping social platform robots into iptables firewall, such as Facebook, Line,
318			* and others who scrape snapshots from your web pages, you should adjust the values below
319			* to fit your needs. (unit: second)
320			*/
321			'record_attempt_detection_period' => 5, // 5 seconds.
322
323			// Reset the counter after n second.
324			'reset_attempt_counter' => 1800, // 30 minutes.
325
326			// System-layer firewall, ip6table service watches this folder to
327			// receive command created by Shieldon Firewall.
328			'iptables_watching_folder' => '/tmp/',
329			];
330			}
331
332			/**
333			* PSR-7 HTTP server request
334			*
335			* @return ServerRequestInterface
336			*/
337			function get_request(): ServerRequestInterface
338			{
339			$request = Container::get('request');
340
341			if (is_null($request)) {
342			$request = HttpFactory::createRequest();
343			Container::set('request', $request);
344			}
345
346			return $request;
347			}
348
349			/**
350			* PSR-7 HTTP response.
351			*
352			* @return ResponseInterface
353			*/
354			function get_response(): ResponseInterface
355			{
356			$response = Container::get('response');
357
358			if (is_null($response)) {
359			$response = HttpFactory::createResponse();
360			Container::set('response', $response);
361			}
362
363			return $response;
364			}
365
366			/**
367			* Session
368			*
369			* @return Collection
370			*/
371			function get_session(): Collection
372			{
373			$session = Container::get('session');
374
375			if (is_null($session)) {
376			$session = HttpFactory::createSession();
377			Container::set('session', $session);
378			}
379
380			return $session;
381			}
382
383			/**
384			* Set a PSR-7 HTTP server request into container.
385			*
386			* @param ServerRequestInterface $request
387			*
388			* @return void
389			*/
390			function set_request(ServerRequestInterface $request): void
391			{
392			Container::set('request', $request, true);
393			}
394
395			/**
396			* Set a PSR-7 HTTP response into container.
397			*
398			* @param ResponseInterface $response
399			*
400			* @return void
401			*/
402			function set_response(ResponseInterface $response): void
403			{
404			Container::set('response', $response, true);
405			}
406
407			/**
408			* Unset cookie.
409			*
410			* @param string\|null $name The name (key) in the array of the superglobal.
411			*
412			* @return void
413			*/
414			function unset_global_cookie($name = null): void
415			{
416			if (empty($name)) {
417			$cookieParams = get_request()->getCookieParams();
418			set_request(get_request()->withCookieParams([]));
419			foreach (array_keys($cookieParams) as $name) {
420			set_response(get_response()->withHeader(
421			'Set-Cookie',
422			"$name=; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0"
423			));
424			}
425			$_COOKIE = [];
426
427			return;
428			}
429
430			$cookieParams = get_request()->getCookieParams();
431			unset($cookieParams[$name]);
432			set_request(get_request()->withCookieParams($cookieParams));
433			set_response(get_response()->withHeader(
434			'Set-Cookie',
435			"$name=; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0"
436			));
437			// Prevent direct access to superglobal.
438			unset($_COOKIE[$name]);
439			}
440
441			/**
442			* Unset post.
443			*
444			* @param string\|null $name The name (key) in the array of the superglobal.
445			*
446			* @return void
447			*/
448			function unset_global_post($name = null): void
449			{
450			if (empty($name)) {
451			set_request(get_request()->withParsedBody([]));
452			$_POST = [];
453
454			return;
455			}
456
457			$postParams = get_request()->getParsedBody();
458			unset($postParams[$name]);
459			set_request(get_request()->withParsedBody($postParams));
460			unset($_POST[$name]);
461			}
462
463			/**
464			* Unset get.
465			*
466			* @param string\|null $name The name (key) in the array of the superglobal.
467			*
468			* @return void
469			*/
470			function unset_global_get($name = null): void
471			{
472			if (empty($name)) {
473			set_request(get_request()->withQueryParams([]));
474			$_GET = [];
475
476			return;
477			}
478
479			$getParams = get_request()->getQueryParams();
480			unset($getParams[$name]);
481			set_request(get_request()->withQueryParams($getParams));
482			unset($_GET[$name]);
483			}
484
485			/**
486			* Unset session.
487			*
488			* @param string\|null $name The name (key) in the array of the superglobal.
489			*
490			* @return void
491			*/
492			function unset_global_session($name = null): void
493			{
494			if (empty($name)) {
495			get_session()->clear();
496			$_SESSION = [];
497
498			return;
499			}
500
501			get_session()->remove($name);
502			unset($_SESSION[$name]);
503			}
504
505			/**
506			* Unset a variable of superglobal.
507			*
508			* @param string\|null $name The name (key) in the array of the superglobal.
509			* If $name is null that means clear all.
510			* @return void
511			*/
512			function unset_superglobal($name, string $type): void
513			{
514			$types = [
515			'get',
516			'post',
517			'cookie',
518			'session',
519			];
520
521			if (!in_array($type, $types)) {
522			return;
523			}
524
525			$method = '\Shieldon\Firewall\unset_global_' . $type;
526			$method($name, $type);
527			}

terrylinooo / shieldon

Push — 2.x ( 23da62...4d98bd )

unset_superglobal() A

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