Mistralys / application-utils

src/ConvertHelper/Array.php

Spacing +14 added lines, -14 removed lines

@@ -15,9 +15,9 @@ 
      */
     public static function removeKeys(array &$sourceArray, array $keys) : void
     {
-        foreach($keys as $key)
+        foreach ($keys as $key)
         {
-            if(array_key_exists($key, $sourceArray)) {
+            if (array_key_exists($key, $sourceArray)) {
                 unset($sourceArray[$key]);
             }
         }
@@ -30,18 +30,18 @@ 
      * @param bool $keepKeys Whether to maintain index association
      * @return array
      */
-    public static function removeValues(array $sourceArray, array $values, bool $keepKeys=false) : array
+    public static function removeValues(array $sourceArray, array $values, bool $keepKeys = false) : array
     {
         $result = array();
         $values = array_values($values);
 
-        foreach($sourceArray as $key => $value)
+        foreach ($sourceArray as $key => $value)
         {
-            if(in_array($value, $values, true)) {
+            if (in_array($value, $values, true)) {
                 continue;
             }
 
-            if($keepKeys) {
+            if ($keepKeys) {
                 $result[$key] = $value;
                 continue;
             }
@@ -74,7 +74,7 @@ 
     public static function toStyleString(array $subject) : string
     {
         $tokens = array();
-        foreach($subject as $name => $value) {
+        foreach ($subject as $name => $value) {
             $tokens[] = $name.':'.strval($value);
         }
 
@@ -103,18 +103,18 @@ 
     public static function toAttributeString(array $array) : string
     {
         $tokens = array();
-        foreach($array as $attr => $value)
+        foreach ($array as $attr => $value)
         {
             $value = strval($value);
 
-            if($value === '') {
+            if ($value === '') {
                 continue;
             }
 
             $tokens[] = $attr.'="'.htmlspecialchars($value, ENT_QUOTES, 'UTF-8').'"';
         }
 
-        if(empty($tokens)) {
+        if (empty($tokens)) {
             return '';
         }
 
@@ -135,17 +135,17 @@ 
      */
     public static function implodeWithAnd(array $list, string $sep = ', ', string $conjunction = '') : string
     {
-        if(empty($list)) {
+        if (empty($list)) {
             return '';
         }
 
-        if(empty($conjunction)) {
+        if (empty($conjunction)) {
             $conjunction = ' '.t('and').' ';
         }
 
         $last = array_pop($list);
-        if($list) {
-            return implode($sep, $list) . $conjunction . $last;
+        if ($list) {
+            return implode($sep, $list).$conjunction.$last;
         }
 
         return $last;

src/ConvertHelper/Bool.php

Spacing +6 added lines, -6 removed lines

@@ -29,17 +29,17 @@ 
      */
     public static function fromString($string) : bool
     {
-        if($string === '' || $string === null || !is_scalar($string))
+        if ($string === '' || $string === null || !is_scalar($string))
         {
             return false;
         }
 
-        if(is_bool($string))
+        if (is_bool($string))
         {
             return $string;
         }
 
-        if(array_key_exists($string, self::$booleanStrings))
+        if (array_key_exists($string, self::$booleanStrings))
         {
             return self::$booleanStrings[$string];
         }
@@ -67,7 +67,7 @@ 
     public static function toString($boolean, bool $yesno = false) : string
     {
         // allow 'yes', 'true', 'no', 'false' string notations as well
-        if(!is_bool($boolean)) {
+        if (!is_bool($boolean)) {
             $boolean = self::fromString($boolean);
         }
 
@@ -97,11 +97,11 @@ 
      */
     public static function isBoolean($value) : bool
     {
-        if(is_bool($value)) {
+        if (is_bool($value)) {
             return true;
         }
 
-        if(!is_scalar($value)) {
+        if (!is_scalar($value)) {
             return false;
         }
 

src/ConvertHelper.php

Spacing +42 added lines, -42 removed lines

@@ -49,7 +49,7 @@ 
      * @param int $tabSize The amount of spaces per tab.
      * @return string
      */
-    public static function tabs2spaces(string $string, int $tabSize=4) : string
+    public static function tabs2spaces(string $string, int $tabSize = 4) : string
     {
         return ConvertHelper_String::tabs2spaces($string, $tabSize);
     }
@@ -61,7 +61,7 @@ 
     * @param int $tabSize The amount of spaces per tab in the source string.
     * @return string
     */
-    public static function spaces2tabs(string $string, int $tabSize=4) : string
+    public static function spaces2tabs(string $string, int $tabSize = 4) : string
     {
         return ConvertHelper_String::spaces2tabs($string, $tabSize);
     }
@@ -108,7 +108,7 @@ 
     {
          $converter = new ConvertHelper_DurationConverter();
          
-         if($datefrom instanceof DateTime)
+         if ($datefrom instanceof DateTime)
          {
              $converter->setDateFrom($datefrom);
          }
@@ -117,11 +117,11 @@ 
              $converter->setDateFrom(self::timestamp2date($datefrom)); 
          }
 
-         if($dateto instanceof DateTime)
+         if ($dateto instanceof DateTime)
          {
              $converter->setDateTo($dateto);
          }
-         else if($dateto > 0)
+         else if ($dateto > 0)
          {
              $converter->setDateTo(self::timestamp2date($dateto));
          }
@@ -151,7 +151,7 @@ 
     * @deprecated Use the Highlighter class directly instead.
     * @see Highlighter::xml()
     */
-    public static function highlight_xml(string $xml, bool $formatSource=false) : string
+    public static function highlight_xml(string $xml, bool $formatSource = false) : string
     {
         return Highlighter::xml($xml, $formatSource);
     }
@@ -210,11 +210,11 @@ 
         return ConvertHelper_String::cutText($text, $targetLength, $append);
     }
 
-    public static function var_dump($var, $html=true) : string
+    public static function var_dump($var, $html = true) : string
     {
         $info = parseVariable($var);
         
-        if($html) {
+        if ($html) {
             return $info->toHTML();
         }
         
@@ -229,11 +229,11 @@ 
     * @param bool $html Whether to style the dump as HTML.
     * @return string
     */
-    public static function print_r($var, bool $return=false, bool $html=true) : string
+    public static function print_r($var, bool $return = false, bool $html = true) : string
     {
         $result = parseVariable($var)->enableType()->toString();
         
-        if($html) 
+        if ($html) 
         {
             $result = 
             '<pre style="background:#fff;color:#333;padding:16px;border:solid 1px #bbb;border-radius:4px">'.
@@ -241,7 +241,7 @@ 
             '</pre>';
         }
         
-        if(!$return) 
+        if (!$return) 
         {
             echo $result;
         }
@@ -303,10 +303,10 @@ 
     public static function date2listLabel(DateTime $date, $includeTime = false, $shortMonth = false)
     {
         $today = new DateTime();
-        if($date->format('d.m.Y') == $today->format('d.m.Y')) {
+        if ($date->format('d.m.Y') == $today->format('d.m.Y')) {
             $label = t('Today');
         } else {
-            $label = $date->format('d') . '. ' . self::month2string((int)$date->format('m'), $shortMonth) . ' ';
+            $label = $date->format('d').'. '.self::month2string((int)$date->format('m'), $shortMonth).' ';
             if ($date->format('Y') != date('Y')) {
                 $label .= $date->format('Y');
             }
@@ -461,12 +461,12 @@ 
         $output = '';
         $split = str_split($unicodeChar);
         
-        foreach($split as $octet) 
+        foreach ($split as $octet) 
         {
             $ordInt = ord($octet);
             // Convert from int (base 10) to hex (base 16), for PHP \x syntax
             $ordHex = base_convert((string)$ordInt, 10, 16);
-            $output .= '\x' . $ordHex;
+            $output .= '\x'.$ordHex;
         }
         
         return $output;
@@ -499,19 +499,19 @@ 
     
     protected static function convertScalarForComparison($scalar)
     {
-        if($scalar === '' || is_null($scalar)) {
+        if ($scalar === '' || is_null($scalar)) {
             return null;
         }
         
-        if(is_bool($scalar)) {
+        if (is_bool($scalar)) {
             return self::bool2string($scalar);
         }
         
-        if(is_array($scalar)) {
+        if (is_array($scalar)) {
             $scalar = md5(serialize($scalar));
         }
         
-        if($scalar !== null && !is_scalar($scalar)) {
+        if ($scalar !== null && !is_scalar($scalar)) {
             throw new ConvertHelper_Exception(
                 'Not a scalar value in comparison',
                 null,
@@ -678,7 +678,7 @@ 
     * 
     * @see JSHelper::buildRegexStatement()
     */
-    public static function regex2js(string $regex, string $statementType=JSHelper::JS_REGEX_OBJECT)
+    public static function regex2js(string $regex, string $statementType = JSHelper::JS_REGEX_OBJECT)
     {
         return JSHelper::buildRegexStatement($regex, $statementType);
     }
@@ -695,11 +695,11 @@ 
     * @throws ConvertHelper_Exception
     * @return string
     */
-    public static function var2json($variable, int $options=0, int $depth=512) : string
+    public static function var2json($variable, int $options = 0, int $depth = 512) : string
     {
         $result = json_encode($variable, $options, $depth);
         
-        if($result !== false) {
+        if ($result !== false) {
             return $result;
         }
         
@@ -724,10 +724,10 @@ 
     public static function stripUTFBom($string)
     {
         $boms = FileHelper::getUTFBOMs();
-        foreach($boms as $bomChars) {
+        foreach ($boms as $bomChars) {
             $length = mb_strlen($bomChars);
             $text = mb_substr($string, 0, $length);
-            if($text==$bomChars) {
+            if ($text == $bomChars) {
                 return mb_substr($string, $length);
             }
         }
@@ -794,7 +794,7 @@ 
     * @param array $options
     * @return float
     */
-    public static function matchString($source, $target, $options=array())
+    public static function matchString($source, $target, $options = array())
     {
         $defaults = array(
             'maxLevenshtein' => 10,
@@ -804,12 +804,12 @@ 
         $options = array_merge($defaults, $options);
         
         // avoid doing this via levenshtein
-        if($source == $target) {
+        if ($source == $target) {
             return 100;
         }
         
         $diff = levenshtein($source, $target);
-        if($diff > $options['maxLevenshtein']) {
+        if ($diff > $options['maxLevenshtein']) {
             return 0;
         }
         
@@ -893,24 +893,24 @@ 
     * @see ConvertHelper::INTERVAL_HOURS
     * @see ConvertHelper::INTERVAL_DAYS
     */
-    public static function interval2total(\DateInterval $interval, $unit=self::INTERVAL_SECONDS) : int
+    public static function interval2total(\DateInterval $interval, $unit = self::INTERVAL_SECONDS) : int
     {
         $total = (int)$interval->format('%a');
         if ($unit == self::INTERVAL_DAYS) {
             return $total;
         }
         
-        $total = ($total * 24) + ((int)$interval->h );
+        $total = ($total * 24) + ((int)$interval->h);
         if ($unit == self::INTERVAL_HOURS) {
             return $total;
         }
     
-        $total = ($total * 60) + ((int)$interval->i );
+        $total = ($total * 60) + ((int)$interval->i);
         if ($unit == self::INTERVAL_MINUTES) {
             return $total;
         }
 
-        $total = ($total * 60) + ((int)$interval->s );
+        $total = ($total * 60) + ((int)$interval->s);
         if ($unit == self::INTERVAL_SECONDS) {
             return $total;
         }
@@ -939,13 +939,13 @@ 
     * @param bool $short
     * @return string|NULL
     */
-    public static function date2dayName(DateTime $date, bool $short=false)
+    public static function date2dayName(DateTime $date, bool $short = false)
     {
         $day = $date->format('l');
         $invariant = self::getDayNamesInvariant();
         
         $idx = array_search($day, $invariant);
-        if($idx !== false) {
+        if ($idx !== false) {
             $localized = self::getDayNames($short);
             return $localized[$idx];
         }
@@ -968,10 +968,10 @@ 
     * @param bool $short
     * @return array
     */
-    public static function getDayNames(bool $short=false) : array
+    public static function getDayNames(bool $short = false) : array
     {
-        if($short) {
-            if(!isset(self::$daysShort)) {
+        if ($short) {
+            if (!isset(self::$daysShort)) {
                 self::$daysShort = array(
                     t('Mon'),
                     t('Tue'),
@@ -986,7 +986,7 @@ 
             return self::$daysShort;
         }
         
-        if(!isset(self::$days)) {
+        if (!isset(self::$days)) {
             self::$days = array(
                 t('Monday'),
                 t('Tuesday'),
@@ -1141,7 +1141,7 @@ 
     * @param bool $caseInsensitive
     * @return ConvertHelper_StringMatch[]
     */
-    public static function findString(string $needle, string $haystack, bool $caseInsensitive=false): array
+    public static function findString(string $needle, string $haystack, bool $caseInsensitive = false): array
     {
         return ConvertHelper_String::findString($needle, $haystack, $caseInsensitive);
     }
@@ -1191,17 +1191,17 @@ 
     */
     public static function isInteger($value) : bool
     {
-        if(is_int($value)) {
+        if (is_int($value)) {
             return true;
         }
         
         // booleans get converted to numbers, so they would
         // actually match the regex.
-        if(is_bool($value)) {
+        if (is_bool($value)) {
             return false;
         }
         
-        if(is_string($value) && $value !== '') {
+        if (is_string($value) && $value !== '') {
             return preg_match('/\A-?\d+\z/', $value) === 1;
         }
         
@@ -1259,7 +1259,7 @@ 
         return new ConvertHelper_URLFinder($subject);
     }
 
-    public static function arrayRemoveValues(array $sourceArray, array $values, bool $keepKeys=false) : array
+    public static function arrayRemoveValues(array $sourceArray, array $values, bool $keepKeys = false) : array
     {
         return ConvertHelper_Array::removeValues($sourceArray, $values, $keepKeys);
     }

src/FileHelper/PathsReducer.php

Spacing +13 added lines, -13 removed lines

@@ -32,7 +32,7 @@ 
      * @param string[] $paths
      * @throws FileHelper_Exception
      */
-    public function __construct(array $paths=array())
+    public function __construct(array $paths = array())
     {
         $this->addPaths($paths);
     }
@@ -46,7 +46,7 @@ 
      */
     public function addPaths(array $paths) : FileHelper_PathsReducer
     {
-        foreach($paths as $path) {
+        foreach ($paths as $path) {
             $this->addPath($path);
         }
 
@@ -64,7 +64,7 @@ 
     {
         $path = FileHelper::normalizePath(FileHelper::requireFileExists($path));
 
-        if(!in_array($path, $this->paths)) {
+        if (!in_array($path, $this->paths)) {
             $this->paths[] = $path;
         }
 
@@ -81,11 +81,11 @@ 
     {
         $split = $this->splitPaths();
 
-        if(empty($split)) {
+        if (empty($split)) {
             return array();
         }
 
-        while($this->shiftPart($split) === true) {}
+        while ($this->shiftPart($split) === true) {}
 
         return $this->joinPaths($split);
     }
@@ -99,7 +99,7 @@ 
         $result = array();
 
         foreach ($split as $entry) {
-            if(!empty($entry)) {
+            if (!empty($entry)) {
                 $result[] = implode('/', $entry);
             }
         }
@@ -116,22 +116,22 @@ 
         $current = null;
         $result = array();
 
-        foreach($split as $entry)
+        foreach ($split as $entry)
         {
-            if(empty($entry)) {
+            if (empty($entry)) {
                 return false;
             }
 
             $part = array_shift($entry);
-            if(empty($entry)) {
+            if (empty($entry)) {
                 return false;
             }
 
-            if($current === null) {
+            if ($current === null) {
                 $current = $part;
             }
 
-            if($part !== $current) {
+            if ($part !== $current) {
                 return false;
             }
 
@@ -147,9 +147,9 @@ 
     {
         $split = array();
 
-        foreach($this->paths as $path) {
+        foreach ($this->paths as $path) {
             $entry = ConvertHelper::explodeTrim('/', $path);
-            if(!empty($entry)) {
+            if (!empty($entry)) {
                 $split[] = $entry;
             }
         }

src/ConvertHelper/EOL.php

Spacing +5 added lines, -5 removed lines

@@ -121,7 +121,7 @@ 
      */
     public static function detect(string $subjectString) : ?ConvertHelper_EOL
     {
-        if(empty($subjectString)) {
+        if (empty($subjectString)) {
             return null;
         }
 
@@ -129,18 +129,18 @@ 
         $results = array();
         $chars = self::getEOLChars();
 
-        foreach($chars as $def)
+        foreach ($chars as $def)
         {
             $amount = substr_count($subjectString, $def['char']);
 
-            if($amount > $max)
+            if ($amount > $max)
             {
                 $max = $amount;
                 $results[] = $def;
             }
         }
 
-        if(empty($results)) {
+        if (empty($results)) {
             return null;
         }
 
@@ -156,7 +156,7 @@ 
      */
     public static function getEOLChars() : array
     {
-        if(isset(self::$eolChars)) {
+        if (isset(self::$eolChars)) {
             return self::$eolChars;
         }
 

src/ConvertHelper/String.php

Spacing +16 added lines, -16 removed lines

@@ -19,14 +19,14 @@ 
      * @param bool $caseInsensitive
      * @return ConvertHelper_StringMatch[]
      */
-    public static function findString(string $needle, string $haystack, bool $caseInsensitive=false): array
+    public static function findString(string $needle, string $haystack, bool $caseInsensitive = false): array
     {
-        if($needle === '') {
+        if ($needle === '') {
             return array();
         }
 
         $function = 'mb_strpos';
-        if($caseInsensitive) {
+        if ($caseInsensitive) {
             $function = 'mb_stripos';
         }
 
@@ -34,7 +34,7 @@ 
         $positions = array();
         $length = mb_strlen($needle);
 
-        while( ($pos = $function($haystack, $needle, $pos)) !== false)
+        while (($pos = $function($haystack, $needle, $pos)) !== false)
         {
             $match = mb_substr($haystack, $pos, $length);
             $positions[] = new ConvertHelper_StringMatch($pos, $match);
@@ -57,7 +57,7 @@ 
     public static function toArray(string $string) : array
     {
         $result = preg_split('//u', $string, 0, PREG_SPLIT_NO_EMPTY);
-        if($result !== false) {
+        if ($result !== false) {
             return $result;
         }
 
@@ -110,7 +110,7 @@ 
      */
     public static function toUtf8(string $string) : string
     {
-        if(!self::isASCII($string)) {
+        if (!self::isASCII($string)) {
             return Encoding::toUTF8($string);
         }
 
@@ -128,11 +128,11 @@ 
      */
     public static function isASCII($string) : bool
     {
-        if($string === '' || $string === NULL) {
+        if ($string === '' || $string === NULL) {
             return true;
         }
 
-        if(!is_string($string)) {
+        if (!is_string($string)) {
             return false;
         }
 
@@ -147,12 +147,12 @@ 
      */
     public static function isHTML(string $string) : bool
     {
-        if(preg_match('%<[a-z/][\s\S]*>%siU', $string)) {
+        if (preg_match('%<[a-z/][\s\S]*>%siU', $string)) {
             return true;
         }
 
         $decoded = html_entity_decode($string);
-        if($decoded !== $string) {
+        if ($decoded !== $string) {
             return true;
         }
 
@@ -184,7 +184,7 @@ 
      * @param int $tabSize The amount of spaces per tab.
      * @return string
      */
-    public static function tabs2spaces(string $string, int $tabSize=4) : string
+    public static function tabs2spaces(string $string, int $tabSize = 4) : string
     {
         return str_replace("\t", str_repeat(' ', $tabSize), $string);
     }
@@ -196,7 +196,7 @@ 
      * @param int $tabSize The amount of spaces per tab in the source string.
      * @return string
      */
-    public static function spaces2tabs(string $string, int $tabSize=4) : string
+    public static function spaces2tabs(string $string, int $tabSize = 4) : string
     {
         return str_replace(str_repeat(' ', $tabSize), "\t", $string);
     }
@@ -273,7 +273,7 @@ 
             return $text;
         }
 
-        $text = trim(mb_substr($text, 0, $targetLength)) . $append;
+        $text = trim(mb_substr($text, 0, $targetLength)).$append;
 
         return $text;
     }
@@ -288,7 +288,7 @@ 
      */
     public static function explodeTrim(string $delimiter, string $string) : array
     {
-        if(empty($string) || empty($delimiter)) {
+        if (empty($string) || empty($delimiter)) {
             return array();
         }
 
@@ -296,8 +296,8 @@ 
         $tokens = array_map('trim', $tokens);
 
         $keep = array();
-        foreach($tokens as $token) {
-            if($token !== '') {
+        foreach ($tokens as $token) {
+            if ($token !== '') {
                 $keep[] = $token;
             }
         }

src/functions.php

Spacing +7 added lines, -7 removed lines

@@ -12,9 +12,9 @@ 
  * @param bool $forceNew
  * @return NumberInfo
  */
-function parseNumber($value, bool $forceNew=false)
+function parseNumber($value, bool $forceNew = false)
 {
-    if($value instanceof NumberInfo && $forceNew !== true) {
+    if ($value instanceof NumberInfo && $forceNew !== true) {
         return $value;
     }
     
@@ -95,7 +95,7 @@ 
     $args = func_get_args();
     
     // is the localization package installed?
-    if(function_exists('\AppLocalize\t'))
+    if (function_exists('\AppLocalize\t'))
     {
         return call_user_func_array('\AppLocalize\t', $args);
     }
@@ -110,7 +110,7 @@ 
  * @param bool $initial The initial boolean value to use.
  * @return Value_Bool
  */
-function valBool(bool $initial=false) : Value_Bool
+function valBool(bool $initial = false) : Value_Bool
 {
     return new Value_Bool($initial);
 }
@@ -123,7 +123,7 @@ 
  * @param bool $initial
  * @return Value_Bool_True
  */
-function valBoolTrue(bool $initial=false) : Value_Bool_True
+function valBoolTrue(bool $initial = false) : Value_Bool_True
 {
     return new Value_Bool_True($initial);
 }
@@ -136,7 +136,7 @@ 
  * @param bool $initial
  * @return Value_Bool_False
  */
-function valBoolFalse(bool $initial=true) : Value_Bool_False
+function valBoolFalse(bool $initial = true) : Value_Bool_False
 {
     return new Value_Bool_False($initial);
 }
@@ -167,7 +167,7 @@ 
  */
 function init()
 {
-    if(!class_exists('\AppLocalize\Localization')) {
+    if (!class_exists('\AppLocalize\Localization')) {
         return;
     }
     

src/URLInfo/ConnectionTester.php

Spacing +6 added lines, -6 removed lines

@@ -48,7 +48,7 @@ 
     * @param bool $verifySSL
     * @return URLInfo_ConnectionTester
     */
-    public function setVerifySSL(bool $verifySSL=true) : URLInfo_ConnectionTester
+    public function setVerifySSL(bool $verifySSL = true) : URLInfo_ConnectionTester
     {
         $this->setOption('verify-ssl', $verifySSL);
             return $this;
@@ -59,7 +59,7 @@ 
         return $this->getBoolOption('verify-ssl');
     }
     
-    public function setVerboseMode(bool $enabled=true) : URLInfo_ConnectionTester
+    public function setVerboseMode(bool $enabled = true) : URLInfo_ConnectionTester
     {
         $this->setOption('curl-verbose', $enabled);
         return $this;
@@ -91,7 +91,7 @@ 
     {
         $ch = curl_init();
         
-        if(!is_resource($ch))
+        if (!is_resource($ch))
         {
             throw new BaseException(
                 'Could not initialize a new cURL instance.',
@@ -108,7 +108,7 @@ 
     */
     private function configureOptions($ch) : void
     {
-        if($this->isVerboseModeEnabled())
+        if ($this->isVerboseModeEnabled())
         {
             curl_setopt($ch, CURLOPT_VERBOSE, true);
         }
@@ -118,13 +118,13 @@ 
         curl_setopt($ch, CURLOPT_TIMEOUT, $this->getTimeout());
         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
         
-        if(!$this->isVerifySSLEnabled())
+        if (!$this->isVerifySSLEnabled())
         {
             curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
             curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
         }
         
-        if($this->url->hasUsername())
+        if ($this->url->hasUsername())
         {
             curl_setopt($ch, CURLOPT_USERNAME, $this->url->getUsername());
             curl_setopt($ch, CURLOPT_PASSWORD, $this->url->getPassword());

src/FileHelper/MimeTypes.php

Spacing +2 added lines, -2 removed lines

@@ -288,9 +288,9 @@
      * @param string $extension
      * @return string|NULL
      */
-    public static function getMime(string $extension) :?string
+    public static function getMime(string $extension) : ?string
     {
-        if(isset(self::$mimeTypes[$extension])) {
+        if (isset(self::$mimeTypes[$extension])) {
             return self::$mimeTypes[$extension];
         }