Functions::isEncryptionCompatible() - Code Metrics - Inspection of "RESOLVED - #JJ211: Presence of MCrypt functions is..." - jon48/webtrees-lib - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — feature/code-analysis ( 5519b1...bdc52b )

by Jonathan

created 2016-07-13 00:45 UTC

Functions::isEncryptionCompatible() A

↳ Parent: Functions

Complexity

Conditions	3
Paths	3

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	3
rs	10
cc	3
eloc	2
nc	3
nop	0

<?php
/**
 * webtrees-lib: MyArtJaub library for webtrees
 *
 * @package MyArtJaub\Webtrees
 * @subpackage Functions
 * @author Jonathan Jaubart <[email protected]>
 * @copyright Copyright (c) 2009-2016, Jonathan Jaubart
 * @license http://www.gnu.org/licenses/gpl.html GNU General Public License, version 3
 */
namespace MyArtJaub\Webtrees\Functions; 

use \Fisharebest\Webtrees as fw;
use Fisharebest\Webtrees\Filter;

/**
 * General functions.
 */
class Functions {

	/**
	 * Size of the initialisation vector for encryption
	 * @var integer $ENCRYPTION_IV_SIZE
	 */
	const ENCRYPTION_IV_SIZE = 16;
	
	/**
	 * This array contains the cached short month names, based on the cal_info functions.
	 * Retrieves the abbrevmonths values of months: Jan, Feb, Mar...
	 * 
	 * @uses cal_info
	 * @var array $calendarShortMonths Cached array of abbreviated short month names
	 */
	private static $calendarShortMonths = array();
	
	/**
	 * Debug tool: prompt a Javascript pop-up with a text
	 *
	 * @param string $text Text to display
	 */
	static public function promptAlert($text){
		echo '<script>';
		echo 'alert("',fw\Filter::escapeHtml($text),'")';
		echo '</script>';
	}
	
	/**
	 * Return the result of a division, and a default value if denomintaor is 0
	 * 
	 * @param integer $num Numerator
	 * @param integer $denom Denominator
	 * @param float $default Default value if denominator null or 0
	 * @return float Result of the safe division
	 */
	public static function safeDivision($num, $denom, $default = 0) {
		if($denom && $denom!=0){
			return $num / $denom;
		}
		return $default;
	}
	
	/**
	 * Returns the percentage of two numbers
	 *
	 * @param int $num Numerator
	 * @param int $denom Denominator
	 * @param float $default Default value if denominator null or 0
	 * @return float Percentage
	 */
	public static function getPercentage($num, $denom, $default = 0){
		return 100 * self::safeDivision($num, $denom, $default);
	}
	
	/**
	 * Get width and heigth of an image resized in order fit a target size.
	 *
	 * @param string $file The image to resize
	 * @param int $target	The final max width/height
	 * @return array array of ($width, $height). One of them must be $target
	 */
	static public function getResizedImageSize($file, $target=25){
		list($width, $height, , ) = getimagesize($file);
		$max = max($width, $height);
		$rapp = $target / $max;
		$width = intval($rapp * $width);
		$height = intval($rapp * $height);
		return array($width, $height);
	}

	
	/**
	 * Checks if a table exist in the DB schema
	 *
	 * @param string $table Name of the table to look for
	 * @return boolean Does the table exist
	 */
	public static function doesTableExist($table) {
		try {
			fw\Database::prepare("SELECT 1 FROM {$table}")->fetchOne();
			return true;
		} catch (\PDOException $ex) {
			return false;
		}
	}
	
	/**
	 * Returns a randomy generated token of a given size
	 *
	 * @param int $length Length of the token, default to 32
	 * @return string Random token
	 */
	public static function generateRandomToken($length=32) {
		$chars = str_split('abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789');
		$len_chars = count($chars);
		$token = '';
		
		for ($i = 0; $i < $length; $i++)
			$token .= $chars[ mt_rand(0, $len_chars - 1) ];
		
		# Number of 32 char chunks
		$chunks = ceil( strlen($token) / 32 );
		$md5token = '';
		
		# Run each chunk through md5
		for ( $i=1; $i<=$chunks; $i++ )
			$md5token .= md5( substr($token, $i * 32 - 32, 32) );
		
			# Trim the token
		return substr($md5token, 0, $length);		
	} 
	
	/**
	 * Checks whether the installation meets the requirements for encryption/decryption.
	 * 
	 * @return boolean
	 */
	public static function isEncryptionCompatible() {
	    return function_exists('mcrypt_encrypt') && function_exists('mcrypt_encrypt') && function_exists('mcrypt_decrypt');
	}
	
	/**	  
	 * Encrypt a text, and encode it to base64 compatible with URL use
	 * 	(no +, no /, no =)
	 *
	 * @param string $data Text to encrypt
	 * @return string Encrypted and encoded text
	 */
	public static function encryptToSafeBase64($data){
	    if(!self::isEncryptionCompatible())
	        throw new \Exception('MCrypt PHP extension is required to use encryption.');
	    
		$key = 'STANDARDKEYIFNOSERVER';
		if(Filter::server('SERVER_NAME') && Filter::server('SERVER_SOFTWARE'))
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
			$key = md5(Filter::server('SERVER_NAME').Filter::server('SERVER_SOFTWARE'));
		$iv = mcrypt_create_iv(self::ENCRYPTION_IV_SIZE, MCRYPT_RAND);
		$id = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $data, MCRYPT_MODE_CBC,$iv);
		$encrypted = base64_encode($iv.$id);
		// +, / and = are not URL-compatible
		$encrypted = str_replace('+', '-', $encrypted);
		$encrypted = str_replace('/', '_', $encrypted);
		$encrypted = str_replace('=', '*', $encrypted);
		return $encrypted;
	}
	
	/**
	 * Decode and encrypt a text from base64 compatible with URL use
	 *
	 * @param string $encrypted Text to decrypt
	 * @return string Decrypted text
	 */
	public static function decryptFromSafeBase64($encrypted){
	    if(!self::isEncryptionCompatible())
	        throw new \Exception('MCrypt PHP extension is required to use encryption.');
	    
		$key = 'STANDARDKEYIFNOSERVER';
		if(Filter::server('SERVER_NAME') && Filter::server('SERVER_SOFTWARE'))
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
			$key = md5(Filter::server('SERVER_NAME').Filter::server('SERVER_SOFTWARE'));
		$encrypted = str_replace('-', '+', $encrypted);

		$encrypted = str_replace('_', '/', $encrypted);

		$encrypted = str_replace('*', '=', $encrypted);

		$encrypted = base64_decode($encrypted);

		if(!$encrypted)
			throw new \InvalidArgumentException('The encrypted value is not in correct base64 format.');
		if(strlen($encrypted) < self::ENCRYPTION_IV_SIZE) 
			throw new \InvalidArgumentException('The encrypted value does not contain enough characters for the key.');
		$iv_dec = substr($encrypted, 0, self::ENCRYPTION_IV_SIZE);
		$encrypted = substr($encrypted, self::ENCRYPTION_IV_SIZE);

		$decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $encrypted, MCRYPT_MODE_CBC, $iv_dec);
		return  preg_replace('~(?:\\000+)$~','',$decrypted);
	}
	
	/**
	 * Encode a string from the file system encoding to UTF-8 (if necessary)
	 *
	 * @param string $string Filesystem encoded string to encode
	 * @return string UTF-8 encoded string
	 */
	public static function encodeFileSystemToUtf8($string){
		if (strtoupper(substr(php_uname('s'), 0, 7)) === 'WINDOWS') {
		    return iconv('cp1252', 'utf-8//IGNORE',$string);
		}
		return $string;
	}
	
	/**
	 * Encode a string from UTF-8 to the file system encoding (if necessary)
	 *
	 * @param string $string UTF-8 encoded string to encode
	 * @return string Filesystem encoded string
	 */
	public static function encodeUtf8ToFileSystem($string){
		if (preg_match('//u', $string) && strtoupper(substr(php_uname('s'), 0, 7)) === 'WINDOWS') {
			return iconv('utf-8', 'cp1252//IGNORE' ,  $string);
		}
		return $string;
	}
	
	/**
	 * Check whether a path is under a valid form.
	 * 
	 * @param string $filename Filename path to check
	 * @param boolean $acceptfolder Should folders be accepted?
	 * @return boolean True if path valid
	 */
	public static function isValidPath($filename, $acceptfolder = FALSE) {		
		if(strpbrk($filename, $acceptfolder ? '?%*:|"<>' : '\\/?%*:|"<>') === FALSE) return true;
		return false;
	}
	
	/**
	 * Return short names for the months of the specific calendar.
	 * 
	 * @see \cal_info()
	 * @param integer $calendarId Calendar ID (according to PHP cal_info)
	 * @return array Array of month short names
	 */
	public static function getCalendarShortMonths($calendarId = 0) {
		if(!isset(self::$calendarShortMonths[$calendarId])) {
			$calendar_info = cal_info($calendarId);
			self::$calendarShortMonths[$calendarId] = $calendar_info['abbrevmonths'];
		}		
		return self::$calendarShortMonths[$calendarId];
	}
	
	/**
	 * Returns the generation associated with a Sosa number
	 *
	 * @param int $sosa Sosa number
	 * @return number
	 */
	public static function getGeneration($sosa){
		return(int)log($sosa, 2)+1;
	}
	
	


	/**
	 * Returns whether the image type is supported by the system, and if so, return the standardised type
	 *
	 * @param string $reqtype Extension to test
	 * @return boolean|string Is supported?
	 */
	public static function isImageTypeSupported($reqtype) {
	    $supportByGD = array('jpg'=>'jpeg', 'jpeg'=>'jpeg', 'gif'=>'gif', 'png'=>'png');
	    $reqtype = strtolower($reqtype);

	
	    if (empty($supportByGD[$reqtype])) {
	        return false;
	    }
	
	    $type = $supportByGD[$reqtype];
	
	    if (function_exists('imagecreatefrom'.$type) && function_exists('image'.$type)) {
	        return $type;
	    }
	
	    return false;
	}
		
}


1		<?php
2		/**
3		* webtrees-lib: MyArtJaub library for webtrees
4		*
5		* @package MyArtJaub\Webtrees
6		* @subpackage Functions
7		* @author Jonathan Jaubart <[email protected]>
8		* @copyright Copyright (c) 2009-2016, Jonathan Jaubart
9		* @license http://www.gnu.org/licenses/gpl.html GNU General Public License, version 3
10		*/
11		namespace MyArtJaub\Webtrees\Functions;
12
13		use \Fisharebest\Webtrees as fw;
14		use Fisharebest\Webtrees\Filter;
15
16		/**
17		* General functions.
18		*/
19		class Functions {
20
21		/**
22		* Size of the initialisation vector for encryption
23		* @var integer $ENCRYPTION_IV_SIZE
24		*/
25		const ENCRYPTION_IV_SIZE = 16;
26
27		/**
28		* This array contains the cached short month names, based on the cal_info functions.
29		* Retrieves the abbrevmonths values of months: Jan, Feb, Mar...
30		*
31		* @uses cal_info
32		* @var array $calendarShortMonths Cached array of abbreviated short month names
33		*/
34		private static $calendarShortMonths = array();
35
36		/**
37		* Debug tool: prompt a Javascript pop-up with a text
38		*
39		* @param string $text Text to display
40		*/
41		static public function promptAlert($text){
42		echo '<script>';
43		echo 'alert("',fw\Filter::escapeHtml($text),'")';
44		echo '</script>';
45		}
46
47		/**
48		* Return the result of a division, and a default value if denomintaor is 0
49		*
50		* @param integer $num Numerator
51		* @param integer $denom Denominator
52		* @param float $default Default value if denominator null or 0
53		* @return float Result of the safe division
54		*/
55		public static function safeDivision($num, $denom, $default = 0) {
56		if($denom && $denom!=0){
57		return $num / $denom;
58		}
59		return $default;
60		}
61
62		/**
63		* Returns the percentage of two numbers
64		*
65		* @param int $num Numerator
66		* @param int $denom Denominator
67		* @param float $default Default value if denominator null or 0
68		* @return float Percentage
69		*/
70		public static function getPercentage($num, $denom, $default = 0){
71		return 100 * self::safeDivision($num, $denom, $default);
72		}
73
74		/**
75		* Get width and heigth of an image resized in order fit a target size.
76		*
77		* @param string $file The image to resize
78		* @param int $target The final max width/height
79		* @return array array of ($width, $height). One of them must be $target
80		*/
81		static public function getResizedImageSize($file, $target=25){
82		list($width, $height, , ) = getimagesize($file);
83		$max = max($width, $height);
84		$rapp = $target / $max;
85		$width = intval($rapp * $width);
86		$height = intval($rapp * $height);
87		return array($width, $height);
88		}
89
90
91		/**
92		* Checks if a table exist in the DB schema
93		*
94		* @param string $table Name of the table to look for
95		* @return boolean Does the table exist
96		*/
97		public static function doesTableExist($table) {
98		try {
99		fw\Database::prepare("SELECT 1 FROM {$table}")->fetchOne();
100		return true;
101		} catch (\PDOException $ex) {
102		return false;
103		}
104		}
105
106		/**
107		* Returns a randomy generated token of a given size
108		*
109		* @param int $length Length of the token, default to 32
110		* @return string Random token
111		*/
112		public static function generateRandomToken($length=32) {
113		$chars = str_split('abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789');
114		$len_chars = count($chars);
115		$token = '';
116
117		for ($i = 0; $i < $length; $i++)
118		$token .= $chars[ mt_rand(0, $len_chars - 1) ];
119
120		# Number of 32 char chunks
121		$chunks = ceil( strlen($token) / 32 );
122		$md5token = '';
123
124		# Run each chunk through md5
125		for ( $i=1; $i<=$chunks; $i++ )
126		$md5token .= md5( substr($token, $i * 32 - 32, 32) );
127
128		# Trim the token
129		return substr($md5token, 0, $length);
130		}
131
132		/**
133		* Checks whether the installation meets the requirements for encryption/decryption.
134		*
135		* @return boolean
136		*/
137		public static function isEncryptionCompatible() {
138		return function_exists('mcrypt_encrypt') && function_exists('mcrypt_encrypt') && function_exists('mcrypt_decrypt');
139		}
140
141		/**
142		* Encrypt a text, and encode it to base64 compatible with URL use
143		* (no +, no /, no =)
144		*
145		* @param string $data Text to encrypt
146		* @return string Encrypted and encoded text
147		*/
148		public static function encryptToSafeBase64($data){
149		if(!self::isEncryptionCompatible())
150		throw new \Exception('MCrypt PHP extension is required to use encryption.');
151
152		$key = 'STANDARDKEYIFNOSERVER';
153	View Code Duplication	if(Filter::server('SERVER_NAME') && Filter::server('SERVER_SOFTWARE'))
		0 ignored issues – show Bug Best Practice introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report The expression `\Fisharebest\Webtrees\Fi...::server('SERVER_NAME')` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history... Bug Best Practice introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report The expression `\Fisharebest\Webtrees\Fi...rver('SERVER_SOFTWARE')` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history... Duplication introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
154		$key = md5(Filter::server('SERVER_NAME').Filter::server('SERVER_SOFTWARE'));
155		$iv = mcrypt_create_iv(self::ENCRYPTION_IV_SIZE, MCRYPT_RAND);
156		$id = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $data, MCRYPT_MODE_CBC,$iv);
157		$encrypted = base64_encode($iv.$id);
158		// +, / and = are not URL-compatible
159		$encrypted = str_replace('+', '-', $encrypted);
160		$encrypted = str_replace('/', '_', $encrypted);
161		$encrypted = str_replace('=', '*', $encrypted);
162		return $encrypted;
163		}
164
165		/**
166		* Decode and encrypt a text from base64 compatible with URL use
167		*
168		* @param string $encrypted Text to decrypt
169		* @return string Decrypted text
170		*/
171		public static function decryptFromSafeBase64($encrypted){
172		if(!self::isEncryptionCompatible())
173		throw new \Exception('MCrypt PHP extension is required to use encryption.');
174
175		$key = 'STANDARDKEYIFNOSERVER';
176	View Code Duplication	if(Filter::server('SERVER_NAME') && Filter::server('SERVER_SOFTWARE'))
		0 ignored issues – show Bug Best Practice introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report The expression `\Fisharebest\Webtrees\Fi...::server('SERVER_NAME')` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history... Bug Best Practice introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report The expression `\Fisharebest\Webtrees\Fi...rver('SERVER_SOFTWARE')` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history... Duplication introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
177		$key = md5(Filter::server('SERVER_NAME').Filter::server('SERVER_SOFTWARE'));
178		$encrypted = str_replace('-', '+', $encrypted);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$encrypted`. This often makes code more readable. Loading history...
179		$encrypted = str_replace('_', '/', $encrypted);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$encrypted`. This often makes code more readable. Loading history...
180		$encrypted = str_replace('*', '=', $encrypted);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$encrypted`. This often makes code more readable. Loading history...
181		$encrypted = base64_decode($encrypted);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$encrypted`. This often makes code more readable. Loading history...
182		if(!$encrypted)
183		throw new \InvalidArgumentException('The encrypted value is not in correct base64 format.');
184		if(strlen($encrypted) < self::ENCRYPTION_IV_SIZE)
185		throw new \InvalidArgumentException('The encrypted value does not contain enough characters for the key.');
186		$iv_dec = substr($encrypted, 0, self::ENCRYPTION_IV_SIZE);
187		$encrypted = substr($encrypted, self::ENCRYPTION_IV_SIZE);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$encrypted`. This often makes code more readable. Loading history...
188		$decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $encrypted, MCRYPT_MODE_CBC, $iv_dec);
189		return preg_replace('~(?:\\000+)$~','',$decrypted);
190		}
191
192		/**
193		* Encode a string from the file system encoding to UTF-8 (if necessary)
194		*
195		* @param string $string Filesystem encoded string to encode
196		* @return string UTF-8 encoded string
197		*/
198		public static function encodeFileSystemToUtf8($string){
199		if (strtoupper(substr(php_uname('s'), 0, 7)) === 'WINDOWS') {
200		return iconv('cp1252', 'utf-8//IGNORE',$string);
201		}
202		return $string;
203		}
204
205		/**
206		* Encode a string from UTF-8 to the file system encoding (if necessary)
207		*
208		* @param string $string UTF-8 encoded string to encode
209		* @return string Filesystem encoded string
210		*/
211		public static function encodeUtf8ToFileSystem($string){
212		if (preg_match('//u', $string) && strtoupper(substr(php_uname('s'), 0, 7)) === 'WINDOWS') {
213		return iconv('utf-8', 'cp1252//IGNORE' , $string);
214		}
215		return $string;
216		}
217
218		/**
219		* Check whether a path is under a valid form.
220		*
221		* @param string $filename Filename path to check
222		* @param boolean $acceptfolder Should folders be accepted?
223		* @return boolean True if path valid
224		*/
225		public static function isValidPath($filename, $acceptfolder = FALSE) {
226		if(strpbrk($filename, $acceptfolder ? '?%:\|"<>' : '\\/?%:\|"<>') === FALSE) return true;
227		return false;
228		}
229
230		/**
231		* Return short names for the months of the specific calendar.
232		*
233		* @see \cal_info()
234		* @param integer $calendarId Calendar ID (according to PHP cal_info)
235		* @return array Array of month short names
236		*/
237		public static function getCalendarShortMonths($calendarId = 0) {
238		if(!isset(self::$calendarShortMonths[$calendarId])) {
239		$calendar_info = cal_info($calendarId);
240		self::$calendarShortMonths[$calendarId] = $calendar_info['abbrevmonths'];
241		}
242		return self::$calendarShortMonths[$calendarId];
243		}
244
245		/**
246		* Returns the generation associated with a Sosa number
247		*
248		* @param int $sosa Sosa number
249		* @return number
250		*/
251		public static function getGeneration($sosa){
252		return(int)log($sosa, 2)+1;
253		}
254
255
256
257
258		/**
259		* Returns whether the image type is supported by the system, and if so, return the standardised type
260		*
261		* @param string $reqtype Extension to test
262		* @return boolean\|string Is supported?
263		*/
264		public static function isImageTypeSupported($reqtype) {
265		$supportByGD = array('jpg'=>'jpeg', 'jpeg'=>'jpeg', 'gif'=>'gif', 'png'=>'png');
266		$reqtype = strtolower($reqtype);
		0 ignored issues – show Coding Style introduced 2016-07-12 23:33 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$reqtype`. This often makes code more readable. Loading history...
267
268		if (empty($supportByGD[$reqtype])) {
269		return false;
270		}
271
272		$type = $supportByGD[$reqtype];
273
274		if (function_exists('imagecreatefrom'.$type) && function_exists('image'.$type)) {
275		return $type;
276		}
277
278		return false;
279		}
280
281		}
282

jon48 / webtrees-lib

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Functions::isEncryptionCompatible() A

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