PMF_Utils::isForbiddenElement() - Code Metrics - Inspection of "Fixed highlighting for embedded images, closes #11..." - thorsten/phpMyFAQ - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 2.9 ( b9cdad...2e7f5b )

by Thorsten

created 2016-05-16 18:38 UTC

PMF_Utils::isForbiddenElement() A

↳ Parent: PMF_Utils

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
cc	2
eloc	7
c	1
b	1
f	0
nc	2
nop	1
dl	0
loc	12
rs	9.4285

<?php

/**
 * Utilities - Functions and Classes common to the whole phpMyFAQ architecture.
 *
 * PHP Version 5.5
 *
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/.
 *
 * @category  phpMyFAQ
 *
 * @author    Thorsten Rinne <[email protected]>
 * @author    Matteo Scaramuccia <[email protected]>
 * @copyright 2005-2016 phpMyFAQ Team
 * @license   http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
 *
 * @link      http://www.phpmyfaq.de
 * @since     2005-11-01
 */
if (!defined('IS_VALID_PHPMYFAQ')) {
    exit();
}

/**#@+
  * HTTP GET Parameters PMF accepted keys definitions
  */
define('HTTP_PARAMS_GET_CATID', 'catid');
define('HTTP_PARAMS_GET_CURRENTDAY', 'today');
define('HTTP_PARAMS_GET_DISPOSITION', 'dispos');
define('HTTP_PARAMS_GET_GIVENDATE', 'givendate');
define('HTTP_PARAMS_GET_LANG', 'lang');
define('HTTP_PARAMS_GET_DOWNWARDS', 'downwards');
define('HTTP_PARAMS_GET_TYPE', 'type');

/**
 * PMF_Utils class.
 *
 * This class has only static methods
 *
 * @category  phpMyFAQ
 *
 * @author    Thorsten Rinne <[email protected]>
 * @author    Matteo Scaramuccia <[email protected]>
 * @copyright 2005-2016 phpMyFAQ Team
 * @license   http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
 *
 * @link      http://www.phpmyfaq.de
 * @since     2005-11-01
 */
class PMF_Utils
{
    /**
     * Get the content at the given URL using an HTTP GET call.
     *
     * @param string $url URL of the content
     *
     * @return string
     */
    public static function getHTTPContent($url)
    {
        // Sanity check
        if (empty($url)) {
            return false;
        }

        // Create the HTTP options for the HTTP stream context, see below
        // Set phpMyFAQ agent related data
        $agent = 'phpMyFAQ/'.PMF_System::getVersion().' on PHP/'.PHP_VERSION;
        $opts = array(
            'header' => 'User-Agent: '.$agent."\r\n",
            'method' => 'GET',
        );
        // HTTP 1.1 Virtual Host
        $urlParts = @parse_url($url);
        if (isset($urlParts['host'])) {
            $opts['header'] = $opts['header'].'Host: '.$urlParts['host']."\r\n";
        }
        // Socket timeout
        $opts['timeout'] = 5;

        // Create the HTTP stream context
        $ctx = stream_context_create(
            array(
                'http' => $opts,
            )
        );

        return file_get_contents($url, null, $ctx);
    }

    /**
     * Returns date from out of time.
     *
     * @return string
     */
    public static function getNeverExpireDate()
    {
        // Unix: 13 Dec 1901 20:45:54 -> 19 Jan 2038 03:14:07, signed 32 bit

        // Windows: 1 Jan 1970 -> 19 Jan 2038.
        // So we will use: 1 Jan 2038 -> 2038-01-01, 00:00:01

        return self::getPMFDate(mktime(0, 0, 1, 1, 1, 2038));
    }

    /**
     * Returns a phpMyFAQ date.
     *
     * @param int $unixTime Unix timestamp
     *
     * @return string
     */
    public static function getPMFDate($unixTime = null)
    {
        if (!isset($unixTime)) {
            // localtime
            $unixTime = $_SERVER['REQUEST_TIME'];
        }

        return date('YmdHis', $unixTime);
    }

    /**
     * Check if a given string could be a language.
     *
     * @param string $lang Language
     *
     * @return bool
     */
    public static function isLanguage($lang)
    {
        return preg_match('/^[a-zA-Z\-]+$/', $lang);
    }

    /**
     * Checks if a date is a phpMyFAQ valid date.
     *
     * @param int $date Date
     *
     * @return int
     */
    public static function isLikeOnPMFDate($date)
    {
        // Test if the passed string is in the format: %YYYYMMDDhhmmss%
        $testdate = $date;
        // Suppress first occurence of '%'
        if (substr($testdate, 0, 1) == '%') {
            $testdate = substr($testdate, 1);
        }
        // Suppress last occurence of '%'
        if (substr($testdate, -1, 1) == '%') {
            $testdate = substr($testdate, 0, strlen($testdate) - 1);
        }
        // PMF date consists of numbers only: YYYYMMDDhhmmss
        return is_int($testdate);
    }

    /**
     * Shortens a string for a given number of words.
     *
     * @param string $str  String
     * @param int    $char Characters
     *
     * @return string
     *
     * @todo This function doesn't work with Chinese, Japanese and Korean
     *       because they don't have spaces as word delimiters
     */
    public static function makeShorterText($str, $char)
    {
        $str = PMF_String::preg_replace('/\s+/u', ' ', $str);
        $arrStr = explode(' ', $str);
        $shortStr = '';
        $num = count($arrStr);

        if ($num > $char) {
            for ($j = 0; $j <= $char; ++$j) {
                $shortStr .= $arrStr[$j].' ';
            }
            $shortStr .= '...';
        } else {
            $shortStr = $str;
        }

        return $shortStr;
    }

    /**
     * Resolves the PMF markers like e.g. %sitename%.
     *
     * @param string            $text   Text contains PMF markers
     * @param PMF_Configuration $config
     *
     * @return string
     */
    public static function resolveMarkers($text, PMF_Configuration $config)
    {
        // Available markers: key and resolving value
        $markers = array(
            '%sitename%' => $config->get('main.titleFAQ'),
        );

        // Resolve any known pattern
        return str_replace(
            array_keys($markers),
            array_values($markers),
            $text
        );
    }

    /**
     * Shuffles an associative array without losing key associations.
     *
     * @param array $data Array of data
     *
     * @return array $shuffled_data Array of shuffled data
     */
    public static function shuffleData($data)
    {
        $shuffled_data = [];

        if (is_array($data)) {
            if (count($data) > 1) {
                $randomized_keys = array_rand($data, count($data));

                foreach ($randomized_keys as $current_key) {
                    $shuffled_data[$current_key] = $data[$current_key];
                }
            } else {
                $shuffled_data = $data;
            }
        }

        return $shuffled_data;
    }

    /**
     * This method chops a string.
     *
     * @param string $string String to chop
     * @param int    $words  Number of words
     *
     * @return string
     */
    public static function chopString($string, $words)
    {
        $str = '';
        $pieces = explode(' ', $string);
        $num = count($pieces);
        if ($words > $num) {
            $words = $num;
        }
        for ($i = 0; $i < $words; ++$i) {
            $str .= $pieces[$i].' ';
        }

        return $str;
    }

    /**
     * Adds a highlighted word to a string.
     *
     * @param string $string    String
     * @param string $highlight Given word for highlighting
     *
     * @return string
     */
    public static function setHighlightedString($string, $highlight)
    {
        $attributes = [
            'href', 'src', 'title', 'alt', 'class', 'style', 'id', 'name',
            'face', 'size', 'dir', 'rel', 'rev', 'role',
            'onmouseenter', 'onmouseleave', 'onafterprint', 'onbeforeprint',
            'onbeforeunload', 'onhashchange', 'onmessage', 'onoffline', 'ononline',
            'onpopstate', 'onpagehide', 'onpageshow', 'onresize', 'onunload',
            'ondevicemotion', 'ondeviceorientation', 'onabort', 'onblur',
            'oncanplay', 'oncanplaythrough', 'onchange', 'onclick', 'oncontextmenu',
            'ondblclick', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave',
            'ondragover', 'ondragstart', 'ondrop', 'ondurationchange', 'onemptied',
            'onended', 'onerror', 'onfocus', 'oninput', 'oninvalid', 'onkeydown',
            'onkeypress', 'onkeyup', 'onload', 'onloadeddata', 'onloadedmetadata',
            'onloadstart', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover',
            'onmouseup', 'onmozfullscreenchange', 'onmozfullscreenerror', 'onpause',
            'onplay', 'onplaying', 'onprogress', 'onratechange', 'onreset',
            'onscroll', 'onseeked', 'onseeking', 'onselect', 'onshow', 'onstalled',
            'onsubmit', 'onsuspend', 'ontimeupdate', 'onvolumechange', 'onwaiting',
            'oncopy', 'oncut', 'onpaste', 'onbeforescriptexecute', 'onafterscriptexecute',
        ];

        return PMF_String::preg_replace_callback(
            '/('.$highlight.'="[^"]*")|'.
            '(('.implode('|', $attributes).')="[^"]*'.$highlight.'[^"]*")|'.
            '('.$highlight.')/mis',
            ['PMF_Utils', 'highlightNoLinks'],
            $string
        );
    }

    /**
     * Callback function for filtering HTML from URLs and images.
     *
     * @param array $matches Array of matches from regex pattern
     *
     * @return string
     */
    public static function highlightNoLinks(Array $matches)
    {
        $prefix = isset($matches[3]) ? $matches[3] : '';
        $item = isset($matches[4]) ? $matches[4] : '';
        $postfix = isset($matches[5]) ? $matches[5] : '';

        if (!empty($item) && !self::isForbiddenElement($item)) {
            return '<mark class="pmf-highlighted-string">'.$prefix.$item.$postfix.'</mark>';
        }

        // Fallback: the original matched string
        return $matches[0];
    }

    /**
     * Tries to detect if a string could be a HTML element
     * @param $string
     * @return bool
     */
    public static function isForbiddenElement($string)
    {
        $forbiddenElements = [
            'img', 'picture'
        ];

        if (false !== array_search($string, $forbiddenElements)) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * debug_backtrace() wrapper function.
     *
     * @param $string
     *
     * @return string
     */
    public static function debug($string)
    {
        // sometimes Zend Optimizer causes segfaults with debug_backtrace()
        if (extension_loaded('Zend Optimizer')) {
            $ret = '<pre>'.$string."</pre><br>\n";
        } else {
            $debug = debug_backtrace();
            $ret = '';
            if (isset($debug[2]['class'])) {
                $ret = $debug[2]['file'].':<br>';
                $ret .= $debug[2]['class'].$debug[1]['type'];
                $ret .= $debug[2]['function'].'() in line '.$debug[2]['line'];
                $ret .= ': <pre>'.$string."</pre><br>\n";
            }
        }

        return $ret;
    }

    /**
     * Parses a given string and convert all the URLs into links.
     *
     * @param string $string
     *
     * @return string
     */
    public static function parseUrl($string)
    {
        $protocols = array('http://', 'https://', 'ftp://');

        $string = str_replace($protocols, '', $string);
        $string = str_replace('www.', 'http://www.', $string);
        $string = preg_replace('|http://([a-zA-Z0-9-\./]+)|', '<a href="http://$1">$1</a>', $string);
        $string = preg_replace(
            '/(([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6})/',
            '<a href="mailto:$1">$1</a>',
            $string
        );

        return $string;
    }

    /**
     * Moves given key of an array to the top
     *
     * @param array  $array
     * @param string $key
     */
    public static function moveToTop(&$array, $key)
    {
        $temp = [$key => $array[$key]];
        unset($array[$key]);
        $array = $temp + $array;
    }
}


1			<?php
2
3			/**
4			* Utilities - Functions and Classes common to the whole phpMyFAQ architecture.
5			*
6			* PHP Version 5.5
7			*
8			* This Source Code Form is subject to the terms of the Mozilla Public License,
9			* v. 2.0. If a copy of the MPL was not distributed with this file, You can
10			* obtain one at http://mozilla.org/MPL/2.0/.
11			*
12			* @category phpMyFAQ
13			*
14			* @author Thorsten Rinne <[email protected]>
15			* @author Matteo Scaramuccia <[email protected]>
16			* @copyright 2005-2016 phpMyFAQ Team
17			* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
18			*
19			* @link http://www.phpmyfaq.de
20			* @since 2005-11-01
21			*/
22			if (!defined('IS_VALID_PHPMYFAQ')) {
23			exit();
24			}
25
26			/**#@+
27			* HTTP GET Parameters PMF accepted keys definitions
28			*/
29			define('HTTP_PARAMS_GET_CATID', 'catid');
30			define('HTTP_PARAMS_GET_CURRENTDAY', 'today');
31			define('HTTP_PARAMS_GET_DISPOSITION', 'dispos');
32			define('HTTP_PARAMS_GET_GIVENDATE', 'givendate');
33			define('HTTP_PARAMS_GET_LANG', 'lang');
34			define('HTTP_PARAMS_GET_DOWNWARDS', 'downwards');
35			define('HTTP_PARAMS_GET_TYPE', 'type');
36
37			/**
38			* PMF_Utils class.
39			*
40			* This class has only static methods
41			*
42			* @category phpMyFAQ
43			*
44			* @author Thorsten Rinne <[email protected]>
45			* @author Matteo Scaramuccia <[email protected]>
46			* @copyright 2005-2016 phpMyFAQ Team
47			* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
48			*
49			* @link http://www.phpmyfaq.de
50			* @since 2005-11-01
51			*/
52			class PMF_Utils
53			{
54			/**
55			* Get the content at the given URL using an HTTP GET call.
56			*
57			* @param string $url URL of the content
58			*
59			* @return string
60			*/
61			public static function getHTTPContent($url)
62			{
63			// Sanity check
64			if (empty($url)) {
65			return false;
66			}
67
68			// Create the HTTP options for the HTTP stream context, see below
69			// Set phpMyFAQ agent related data
70			$agent = 'phpMyFAQ/'.PMF_System::getVersion().' on PHP/'.PHP_VERSION;
71			$opts = array(
72			'header' => 'User-Agent: '.$agent."\r\n",
73			'method' => 'GET',
74			);
75			// HTTP 1.1 Virtual Host
76			$urlParts = @parse_url($url);
77			if (isset($urlParts['host'])) {
78			$opts['header'] = $opts['header'].'Host: '.$urlParts['host']."\r\n";
79			}
80			// Socket timeout
81			$opts['timeout'] = 5;
82
83			// Create the HTTP stream context
84			$ctx = stream_context_create(
85			array(
86			'http' => $opts,
87			)
88			);
89
90			return file_get_contents($url, null, $ctx);
91			}
92
93			/**
94			* Returns date from out of time.
95			*
96			* @return string
97			*/
98			public static function getNeverExpireDate()
99			{
100			// Unix: 13 Dec 1901 20:45:54 -> 19 Jan 2038 03:14:07, signed 32 bit
			0 ignored issues – show Unused Code Comprehensibility introduced 2016-02-04 19:32 UTC by Report Bug Copy Issue Report `49%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
101			// Windows: 1 Jan 1970 -> 19 Jan 2038.
102			// So we will use: 1 Jan 2038 -> 2038-01-01, 00:00:01
			0 ignored issues – show Unused Code Comprehensibility introduced 2016-02-04 19:32 UTC by Report Bug Copy Issue Report `47%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
103			return self::getPMFDate(mktime(0, 0, 1, 1, 1, 2038));
104			}
105
106			/**
107			* Returns a phpMyFAQ date.
108			*
109			* @param int $unixTime Unix timestamp
110			*
111			* @return string
112			*/
113			public static function getPMFDate($unixTime = null)
114			{
115			if (!isset($unixTime)) {
116			// localtime
117			$unixTime = $_SERVER['REQUEST_TIME'];
118			}
119
120			return date('YmdHis', $unixTime);
121			}
122
123			/**
124			* Check if a given string could be a language.
125			*
126			* @param string $lang Language
127			*
128			* @return bool
129			*/
130			public static function isLanguage($lang)
131			{
132			return preg_match('/^[a-zA-Z\-]+$/', $lang);
133			}
134
135			/**
136			* Checks if a date is a phpMyFAQ valid date.
137			*
138			* @param int $date Date
139			*
140			* @return int
141			*/
142			public static function isLikeOnPMFDate($date)
143			{
144			// Test if the passed string is in the format: %YYYYMMDDhhmmss%
145			$testdate = $date;
146			// Suppress first occurence of '%'
147			if (substr($testdate, 0, 1) == '%') {
148			$testdate = substr($testdate, 1);
149			}
150			// Suppress last occurence of '%'
151			if (substr($testdate, -1, 1) == '%') {
152			$testdate = substr($testdate, 0, strlen($testdate) - 1);
153			}
154			// PMF date consists of numbers only: YYYYMMDDhhmmss
155			return is_int($testdate);
156			}
157
158			/**
159			* Shortens a string for a given number of words.
160			*
161			* @param string $str String
162			* @param int $char Characters
163			*
164			* @return string
165			*
166			* @todo This function doesn't work with Chinese, Japanese and Korean
167			* because they don't have spaces as word delimiters
168			*/
169			public static function makeShorterText($str, $char)
170			{
171			$str = PMF_String::preg_replace('/\s+/u', ' ', $str);
172			$arrStr = explode(' ', $str);
173			$shortStr = '';
174			$num = count($arrStr);
175
176			if ($num > $char) {
177			for ($j = 0; $j <= $char; ++$j) {
178			$shortStr .= $arrStr[$j].' ';
179			}
180			$shortStr .= '...';
181			} else {
182			$shortStr = $str;
183			}
184
185			return $shortStr;
186			}
187
188			/**
189			* Resolves the PMF markers like e.g. %sitename%.
190			*
191			* @param string $text Text contains PMF markers
192			* @param PMF_Configuration $config
193			*
194			* @return string
195			*/
196			public static function resolveMarkers($text, PMF_Configuration $config)
197			{
198			// Available markers: key and resolving value
199			$markers = array(
200			'%sitename%' => $config->get('main.titleFAQ'),
201			);
202
203			// Resolve any known pattern
204			return str_replace(
205			array_keys($markers),
206			array_values($markers),
207			$text
208			);
209			}
210
211			/**
212			* Shuffles an associative array without losing key associations.
213			*
214			* @param array $data Array of data
215			*
216			* @return array $shuffled_data Array of shuffled data
217			*/
218			public static function shuffleData($data)
219			{
220			$shuffled_data = [];
221
222			if (is_array($data)) {
223			if (count($data) > 1) {
224			$randomized_keys = array_rand($data, count($data));
225
226			foreach ($randomized_keys as $current_key) {
227			$shuffled_data[$current_key] = $data[$current_key];
228			}
229			} else {
230			$shuffled_data = $data;
231			}
232			}
233
234			return $shuffled_data;
235			}
236
237			/**
238			* This method chops a string.
239			*
240			* @param string $string String to chop
241			* @param int $words Number of words
242			*
243			* @return string
244			*/
245			public static function chopString($string, $words)
246			{
247			$str = '';
248			$pieces = explode(' ', $string);
249			$num = count($pieces);
250			if ($words > $num) {
251			$words = $num;
252			}
253			for ($i = 0; $i < $words; ++$i) {
254			$str .= $pieces[$i].' ';
255			}
256
257			return $str;
258			}
259
260			/**
261			* Adds a highlighted word to a string.
262			*
263			* @param string $string String
264			* @param string $highlight Given word for highlighting
265			*
266			* @return string
267			*/
268			public static function setHighlightedString($string, $highlight)
269			{
270			$attributes = [
271			'href', 'src', 'title', 'alt', 'class', 'style', 'id', 'name',
272			'face', 'size', 'dir', 'rel', 'rev', 'role',
273			'onmouseenter', 'onmouseleave', 'onafterprint', 'onbeforeprint',
274			'onbeforeunload', 'onhashchange', 'onmessage', 'onoffline', 'ononline',
275			'onpopstate', 'onpagehide', 'onpageshow', 'onresize', 'onunload',
276			'ondevicemotion', 'ondeviceorientation', 'onabort', 'onblur',
277			'oncanplay', 'oncanplaythrough', 'onchange', 'onclick', 'oncontextmenu',
278			'ondblclick', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave',
279			'ondragover', 'ondragstart', 'ondrop', 'ondurationchange', 'onemptied',
280			'onended', 'onerror', 'onfocus', 'oninput', 'oninvalid', 'onkeydown',
281			'onkeypress', 'onkeyup', 'onload', 'onloadeddata', 'onloadedmetadata',
282			'onloadstart', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover',
283			'onmouseup', 'onmozfullscreenchange', 'onmozfullscreenerror', 'onpause',
284			'onplay', 'onplaying', 'onprogress', 'onratechange', 'onreset',
285			'onscroll', 'onseeked', 'onseeking', 'onselect', 'onshow', 'onstalled',
286			'onsubmit', 'onsuspend', 'ontimeupdate', 'onvolumechange', 'onwaiting',
287			'oncopy', 'oncut', 'onpaste', 'onbeforescriptexecute', 'onafterscriptexecute',
288			];
289
290			return PMF_String::preg_replace_callback(
291			'/('.$highlight.'="[^"]*")\|'.
292			'(('.implode('\|', $attributes).')="[^"]'.$highlight.'[^"]")\|'.
293			'('.$highlight.')/mis',
294			['PMF_Utils', 'highlightNoLinks'],
295			$string
296			);
297			}
298
299			/**
300			* Callback function for filtering HTML from URLs and images.
301			*
302			* @param array $matches Array of matches from regex pattern
303			*
304			* @return string
305			*/
306			public static function highlightNoLinks(Array $matches)
307			{
308			$prefix = isset($matches[3]) ? $matches[3] : '';
309			$item = isset($matches[4]) ? $matches[4] : '';
310			$postfix = isset($matches[5]) ? $matches[5] : '';
311
312			if (!empty($item) && !self::isForbiddenElement($item)) {
313			return '<mark class="pmf-highlighted-string">'.$prefix.$item.$postfix.'</mark>';
314			}
315
316			// Fallback: the original matched string
317			return $matches[0];
318			}
319
320			/**
321			* Tries to detect if a string could be a HTML element
322			* @param $string
323			* @return bool
324			*/
325			public static function isForbiddenElement($string)
326			{
327			$forbiddenElements = [
328			'img', 'picture'
329			];
330
331			if (false !== array_search($string, $forbiddenElements)) {
332			return true;
333			} else {
334			return false;
335			}
336			}
337
338			/**
339			* debug_backtrace() wrapper function.
340			*
341			* @param $string
342			*
343			* @return string
344			*/
345			public static function debug($string)
346			{
347			// sometimes Zend Optimizer causes segfaults with debug_backtrace()
348			if (extension_loaded('Zend Optimizer')) {
349			$ret = '<pre>'.$string."</pre><br>\n";
350			} else {
351			$debug = debug_backtrace();
352			$ret = '';
353			if (isset($debug[2]['class'])) {
354			$ret = $debug[2]['file'].':<br>';
355			$ret .= $debug[2]['class'].$debug[1]['type'];
356			$ret .= $debug[2]['function'].'() in line '.$debug[2]['line'];
357			$ret .= ': <pre>'.$string."</pre><br>\n";
358			}
359			}
360
361			return $ret;
362			}
363
364			/**
365			* Parses a given string and convert all the URLs into links.
366			*
367			* @param string $string
368			*
369			* @return string
370			*/
371			public static function parseUrl($string)
372			{
373			$protocols = array('http://', 'https://', 'ftp://');
374
375			$string = str_replace($protocols, '', $string);
376			$string = str_replace('www.', 'http://www.', $string);
377			$string = preg_replace('\|http://([a-zA-Z0-9-\./]+)\|', '<a href="http://$1">$1</a>', $string);
378			$string = preg_replace(
379			'/(([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6})/',
380			'<a href="mailto:$1">$1</a>',
381			$string
382			);
383
384			return $string;
385			}
386
387			/**
388			* Moves given key of an array to the top
389			*
390			* @param array $array
391			* @param string $key
392			*/
393			public static function moveToTop(&$array, $key)
394			{
395			$temp = [$key => $array[$key]];
396			unset($array[$key]);
397			$array = $temp + $array;
398			}
399			}
400

thorsten / phpMyFAQ

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PMF_Utils::isForbiddenElement() A

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