diff --git a/src/CommandDataConfig.php b/src/CommandDataConfig.php
index 1e23061..36e3675 100644
--- a/src/CommandDataConfig.php
+++ b/src/CommandDataConfig.php
@@ -12,13 +12,13 @@ abstract class CommandDataConfig
         'tor' => false,
         'torl' => false,
         'virginProxies' => false,
-        'proxyOfSites' => false
+        'proxyOfSites' => false,
     ];
 
     public function __construct(array $commandData)
     {
         $this->commandData = array_merge($this->defaultCommandData, $commandData);
-        
+
         if ($this->commandData['torl']) {
             $this->commandData['tor'] = $this->commandData['torl'];
         }
@@ -29,4 +29,3 @@ public function output($value)
         echo $value;
     }
 }
-
diff --git a/src/CrossSiteScripting.php b/src/CrossSiteScripting.php
index 0b611de..5ddb606 100644
--- a/src/CrossSiteScripting.php
+++ b/src/CrossSiteScripting.php
@@ -2,14 +2,13 @@
 
 namespace Aszone\Vulnerabilities;
 
-use Respect\Validation\Validator as v;
 use Aszone\FakeHeaders\FakeHeaders;
 use GuzzleHttp\Client;
 
 class CrossSiteScripting extends CommandDataConfig implements VulnerabilityScanner
 {
-    const EXPLOIT1 = "<script>alert(aaabbbccc);</script>";
-    const EXPLOIT2 = "<h1>aaabbbccc</h1>";
+    const EXPLOIT1 = '<script>alert(aaabbbccc);</script>';
+    const EXPLOIT2 = '<h1>aaabbbccc</h1>';
     const EXPLOIT1REGEX = "<script>alert\(aaabbbccc\);<\/script>";
     const EXPLOIT2REGEX = "<h1>aaabbbccc<\/h1>";
 
@@ -32,9 +31,9 @@ public function isXssPossible($target)
     public function verify($target)
     {
         $urls = $this->generateUrls($target);
-        
+
         $this->output("\n");
-        
+
         foreach ($urls as $url) {
             if ($this->attack($url)) {
                 $this->output('Is Vull');
@@ -54,13 +53,13 @@ public function attack($url)
         $client = new Client(['defaults' => [
             'headers' => ['User-Agent' => $header->getUserAgent()],
             'proxy' => $this->commandData['tor'],
-            'timeout' => 30
+            'timeout' => 30,
         ]]);
 
         try {
             $body = $client->get($url)->getBody()->getContents();
 
-            if ($body && $this->checkSuccess($body) && ! $this->checkError($body)) {
+            if ($body && $this->checkSuccess($body) && !$this->checkError($body)) {
                 return true;
             }
         } catch (\Exception $e) {
@@ -70,43 +69,43 @@ public function attack($url)
         return false;
     }
 
-    public function checkSuccess($body) 
+    public function checkSuccess($body)
     {
-        return (bool) preg_match("/" . static::EXPLOIT1REGEX . "|" . static::EXPLOIT2REGEX . "/", $body);
+        return (bool) preg_match('/'.static::EXPLOIT1REGEX.'|'.static::EXPLOIT2REGEX.'/', $body);
     }
 
     public function generateUrls($target)
     {
-        $this->output("\n" . $target);
+        $this->output("\n".$target);
 
         $urls1 = $this->generateUrlsByExploit($target, static::EXPLOIT1);
         $urls2 = $this->generateUrlsByExploit($target, static::EXPLOIT2);
-        
+
         return array_merge($urls1, $urls2);
     }
 
     public function generateUrlsByExploit($target, $exploit)
     {
-        $explodeUrl   = parse_url($target);
+        $explodeUrl = parse_url($target);
         $explodeQuery = explode('&', $explodeUrl['query']);
 
-        if (! isset($explodeUrl['query'])) {
+        if (!isset($explodeUrl['query'])) {
             return [];
         }
 
         $wordsValue = [];
-        
+
         foreach ($explodeQuery as $query) {
             $explodeQueryEqual = explode('=', $query);
-            $wordsValue[$explodeQueryEqual[0]] = "";
-            
+            $wordsValue[$explodeQueryEqual[0]] = '';
+
             if (isset($explodeQueryEqual[1])) {
                 $wordsValue[$explodeQueryEqual[0]] = $explodeQueryEqual[1];
             }
         }
 
         foreach ($wordsValue as $keyValue => $value) {
-            $urls[] = str_replace($keyValue . "=" . $value, $keyValue . "=" . $exploit, $target);
+            $urls[] = str_replace($keyValue.'='.$value, $keyValue.'='.$exploit, $target);
         }
 
         return $urls;
@@ -115,7 +114,7 @@ public function generateUrlsByExploit($target, $exploit)
     public function checkError($body)
     {
         $errors = $this->getErrors();
-        
+
         foreach ($errors as $error) {
             $isValid = strpos($body, $error);
 
@@ -129,7 +128,7 @@ public function checkError($body)
 
     protected function getErrors()
     {
-        if (! $this->errors) {
+        if (!$this->errors) {
             $this->loadErrors();
         }
 
@@ -138,23 +137,22 @@ protected function getErrors()
 
     protected function loadErrors()
     {
-        $errorsMysql = parse_ini_file(__DIR__ . '/../resources/Errors/mysql.ini');
-        $errorsMariaDb = parse_ini_file(__DIR__ . '/../resources/Errors/mariadb.ini');
-        $errorsOracle = parse_ini_file(__DIR__ . '/../resources/Errors/oracle.ini');
-        $errorssqlServer = parse_ini_file(__DIR__ . '/../resources/Errors/sqlserver.ini');
-        $errorsPostgreSql = parse_ini_file(__DIR__ . '/../resources/Errors/postgresql.ini');
-        $errorsAsp = parse_ini_file(__DIR__ . '/../resources/Errors/asp.ini');
-        $errorsPhp = parse_ini_file(__DIR__ . '/../resources/Errors/php.ini');
+        $errorsMysql = parse_ini_file(__DIR__.'/../resources/Errors/mysql.ini');
+        $errorsMariaDb = parse_ini_file(__DIR__.'/../resources/Errors/mariadb.ini');
+        $errorsOracle = parse_ini_file(__DIR__.'/../resources/Errors/oracle.ini');
+        $errorssqlServer = parse_ini_file(__DIR__.'/../resources/Errors/sqlserver.ini');
+        $errorsPostgreSql = parse_ini_file(__DIR__.'/../resources/Errors/postgresql.ini');
+        $errorsAsp = parse_ini_file(__DIR__.'/../resources/Errors/asp.ini');
+        $errorsPhp = parse_ini_file(__DIR__.'/../resources/Errors/php.ini');
 
         $this->errors = array_merge(
-            $errorsMysql, 
-            $errorsMariaDb, 
-            $errorsOracle, 
-            $errorssqlServer, 
+            $errorsMysql,
+            $errorsMariaDb,
+            $errorsOracle,
+            $errorssqlServer,
             $errorsPostgreSql,
             $errorsAsp,
-            $errorsPhp 
+            $errorsPhp
         );
     }
 }
-
diff --git a/src/LocalFileDownload.php b/src/LocalFileDownload.php
index d77947a..718fbb7 100644
--- a/src/LocalFileDownload.php
+++ b/src/LocalFileDownload.php
@@ -2,7 +2,6 @@
 
 namespace Aszone\Vulnerabilities;
 
-use Respect\Validation\Validator as v;
 use Aszone\FakeHeaders\FakeHeaders;
 use GuzzleHttp\Client;
 
@@ -56,7 +55,7 @@ protected function attack($url)
         $client = new Client(['defaults' => [
            'headers' => ['User-Agent' => $header->getUserAgent()],
             'proxy' => $this->commandData['tor'],
-            'timeout' => 30
+            'timeout' => 30,
         ]]);
 
         try {
@@ -73,16 +72,16 @@ public function generateUrls($target)
         $this->output("\n".$target);
 
         $parts = parse_url($target);
-        
-        if (! isset($parts['path'])) {
+
+        if (!isset($parts['path'])) {
             return [];
         }
-        
+
         $ext = $this->getExtension($parts['path']);
 
-        $urlsIndex = $this->generateUrlsByExploit($target, 'index.' . $ext);
-        $urlsPath  = $this->generateUrlsByExploit($target, $parts['path']);
-        
+        $urlsIndex = $this->generateUrlsByExploit($target, 'index.'.$ext);
+        $urlsPath = $this->generateUrlsByExploit($target, $parts['path']);
+
         return array_merge($urlsPath, $urlsIndex);
     }
 
@@ -93,15 +92,15 @@ public function generateUrlsByExploit($target, $exploit)
 
         foreach ($explodeQuery as $keyQuery => $query) {
             $explodeQueryEqual = explode('=', $query);
-            $wordsValue[$explodeQueryEqual[0]] = "";
-            
+            $wordsValue[$explodeQueryEqual[0]] = '';
+
             if ($explodeQueryEqual[1]) {
                 $wordsValue[$explodeQueryEqual[0]] = $explodeQueryEqual[1];
             }
         }
-        
+
         foreach ($wordsValue as $keyValue => $value) {
-            $urls[] = str_replace($keyValue . "=" . $value, $keyValue . "=??????????", $target);
+            $urls[] = str_replace($keyValue.'='.$value, $keyValue.'=??????????', $target);
         }
 
         $urlFinal = [];
@@ -111,8 +110,8 @@ public function generateUrlsByExploit($target, $exploit)
 
             $breakFolder = '../';
 
-            for ($i = 1;$i <= 10;++$i) {
-                $urlFinal[] = str_replace('??????????', $breakFolder . $exploit, $url);
+            for ($i = 1; $i <= 10; ++$i) {
+                $urlFinal[] = str_replace('??????????', $breakFolder.$exploit, $url);
                 $breakFolder .= '../';
             }
         }
@@ -123,7 +122,7 @@ public function generateUrlsByExploit($target, $exploit)
     protected function getExtension($path)
     {
         $isValidExt = preg_match("/\.(.*)/", $path, $matches);
-        
+
         if ($isValidExt) {
             return $matches[1];
         }
@@ -131,4 +130,3 @@ protected function getExtension($path)
         return false;
     }
 }
-
diff --git a/src/LocalFileInclusion.php b/src/LocalFileInclusion.php
index 88a5d4c..8563137 100644
--- a/src/LocalFileInclusion.php
+++ b/src/LocalFileInclusion.php
@@ -2,16 +2,15 @@
 
 namespace Aszone\Vulnerabilities;
 
-use Respect\Validation\Validator as v;
 use Aszone\FakeHeaders\FakeHeaders;
 use GuzzleHttp\Client;
 
 class LocalFileInclusion extends CommandDataConfig implements VulnerabilityScanner
 {
-    const EXPLOIT1 = "../etc/passwd";
-    const EXPLOIT2 = "../etc/groups";
-    const EXPLOIT1REGEX = "root:x:0:";
-    const EXPLOIT2REGEX = "root:x:0:";
+    const EXPLOIT1 = '../etc/passwd';
+    const EXPLOIT2 = '../etc/groups';
+    const EXPLOIT1REGEX = 'root:x:0:';
+    const EXPLOIT2REGEX = 'root:x:0:';
 
     private $errors = [];
 
@@ -20,7 +19,7 @@ public function isVulnerable($target)
         if ($this->isLfiPossible($target)) {
             return $this->verify($target);
         }
-        
+
         return false;
     }
 
@@ -32,7 +31,7 @@ public function isLfiPossible($target)
     protected function verify($target)
     {
         $urls = $this->generateUrls($target);
-        
+
         $this->output("\n");
 
         foreach ($urls as $url) {
@@ -58,10 +57,10 @@ protected function attack($url)
         ]]);
 
         try {
-            $body= $client->get($url)->getBody()->getContents();
-            
-            if ($body 
-                && $this->checkSuccess($body) 
+            $body = $client->get($url)->getBody()->getContents();
+
+            if ($body
+                && $this->checkSuccess($body)
                 && !$this->checkError($body)
             ) {
                 return $url;
@@ -73,18 +72,18 @@ protected function attack($url)
         return false;
     }
 
-    protected function checkSuccess($body) 
+    protected function checkSuccess($body)
     {
-        return preg_match("/" . static::EXPLOIT1REGEX . "|" . static::EXPLOIT2REGEX . "/", $body);
+        return preg_match('/'.static::EXPLOIT1REGEX.'|'.static::EXPLOIT2REGEX.'/', $body);
     }
 
     public function generateUrls($target)
     {
-        $this->output("\n" . $target);
-        
+        $this->output("\n".$target);
+
         $urls1 = $this->generateUrlsByExploit($target, static::EXPLOIT1);
         $urls2 = $this->generateUrlsByExploit($target, static::EXPLOIT2);
-        
+
         return array_merge($urls1, $urls2);
     }
 
@@ -98,18 +97,18 @@ protected function generateUrlsByExploit($target, $exploit)
             $wordsValue[$explodeQueryEqual[0]] = $explodeQueryEqual[1];
         }
 
-        foreach($wordsValue as $keyValue => $value){
-            $urls[] = str_replace($keyValue . "=" . $value, $keyValue . "=??????????", $target);
+        foreach ($wordsValue as $keyValue => $value) {
+            $urls[] = str_replace($keyValue.'='.$value, $keyValue.'=??????????', $target);
         }
 
         $urlFinal = [];
         foreach ($urls as $url) {
             $urlFinal[] = str_replace('??????????', $exploit, $url);
-            $breakFolder="../";
+            $breakFolder = '../';
 
-            for ($i = 0; $i < 10; $i++) {
-                $urlFinal[] = str_replace('??????????', $breakFolder . $exploit, $url);
-                $breakFolder .= "../";
+            for ($i = 0; $i < 10; ++$i) {
+                $urlFinal[] = str_replace('??????????', $breakFolder.$exploit, $url);
+                $breakFolder .= '../';
             }
         }
 
@@ -119,7 +118,7 @@ protected function generateUrlsByExploit($target, $exploit)
     public function checkError($body)
     {
         $errors = $this->getErrors();
-        
+
         foreach ($errors as $error) {
             $isValid = strpos($body, $error);
 
@@ -133,7 +132,7 @@ public function checkError($body)
 
     protected function getErrors()
     {
-        if (! $this->errors) {
+        if (!$this->errors) {
             $this->loadErrors();
         }
 
@@ -142,22 +141,22 @@ protected function getErrors()
 
     protected function loadErrors()
     {
-        $errorsMysql = parse_ini_file(__DIR__ . '/../resources/Errors/mysql.ini');
-        $errorsMariaDb = parse_ini_file(__DIR__ . '/../resources/Errors/mariadb.ini');
-        $errorsOracle = parse_ini_file(__DIR__ . '/../resources/Errors/oracle.ini');
-        $errorssqlServer = parse_ini_file(__DIR__ . '/../resources/Errors/sqlserver.ini');
-        $errorsPostgreSql = parse_ini_file(__DIR__ . '/../resources/Errors/postgresql.ini');
-        $errorsAsp = parse_ini_file(__DIR__ . '/../resources/Errors/asp.ini');
-        $errorsPhp = parse_ini_file(__DIR__ . '/../resources/Errors/php.ini');
+        $errorsMysql = parse_ini_file(__DIR__.'/../resources/Errors/mysql.ini');
+        $errorsMariaDb = parse_ini_file(__DIR__.'/../resources/Errors/mariadb.ini');
+        $errorsOracle = parse_ini_file(__DIR__.'/../resources/Errors/oracle.ini');
+        $errorssqlServer = parse_ini_file(__DIR__.'/../resources/Errors/sqlserver.ini');
+        $errorsPostgreSql = parse_ini_file(__DIR__.'/../resources/Errors/postgresql.ini');
+        $errorsAsp = parse_ini_file(__DIR__.'/../resources/Errors/asp.ini');
+        $errorsPhp = parse_ini_file(__DIR__.'/../resources/Errors/php.ini');
 
         $this->errors = array_merge(
-            $errorsMysql, 
-            $errorsMariaDb, 
-            $errorsOracle, 
-            $errorssqlServer, 
+            $errorsMysql,
+            $errorsMariaDb,
+            $errorsOracle,
+            $errorssqlServer,
             $errorsPostgreSql,
             $errorsAsp,
-            $errorsPhp 
+            $errorsPhp
         );
     }
 }
diff --git a/src/SqlInjection.php b/src/SqlInjection.php
index 0f66226..126523f 100644
--- a/src/SqlInjection.php
+++ b/src/SqlInjection.php
@@ -2,7 +2,6 @@
 
 namespace Aszone\Vulnerabilities;
 
-use Respect\Validation\Validator as v;
 use Aszone\FakeHeaders\FakeHeaders;
 use GuzzleHttp\Client;
 
@@ -30,7 +29,7 @@ protected function verify($target)
     {
         $urls = $this->generateUrlByExploit($target);
 
-        foreach($urls as $url){
+        foreach ($urls as $url) {
             $this->output("\n url =>".$url."\n");
 
             if ($this->attack($url)) {
@@ -47,14 +46,14 @@ public function generateUrlByExploit($target)
     {
         $explodeUrl = parse_url($target);
         $explodeQuery = explode('&', $explodeUrl['query']);
-        
+
         foreach ($explodeQuery as $keyQuery => $query) {
             $explodeQueryEqual = explode('=', $query);
             $wordsValue[$explodeQueryEqual[0]] = $explodeQueryEqual[1];
         }
 
-        foreach($wordsValue as $keyValue => $value){
-            $urls[] = str_replace($keyValue . "=" . $value, $keyValue . "=" . $value . static::EXPLOIT, $target);
+        foreach ($wordsValue as $keyValue => $value) {
+            $urls[] = str_replace($keyValue.'='.$value, $keyValue.'='.$value.static::EXPLOIT, $target);
         }
 
         return $urls;
@@ -66,12 +65,12 @@ public function attack($url)
         $client = new Client(['defaults' => [
             'headers' => ['User-Agent' => $header->getUserAgent()],
             'proxy' => $this->commandData['tor'],
-            'timeout' => 30
+            'timeout' => 30,
         ]]);
 
         try {
             $body = $client->get($url)->getBody()->getContents();
-            
+
             if ($body) {
                 if ($this->checkError($body)) {
                     return $url;
@@ -94,7 +93,7 @@ public function checkError($body)
 
         foreach ($errors as $error) {
             $isValid = strpos($body, $error);
-            
+
             if ($isValid !== false) {
                 return true;
             }
@@ -105,7 +104,7 @@ public function checkError($body)
 
     protected function getErrors()
     {
-        if (! $this->errors) {
+        if (!$this->errors) {
             $this->loadErrors();
         }
 
@@ -114,19 +113,18 @@ protected function getErrors()
 
     protected function loadErrors()
     {
-        $errorsMysql = parse_ini_file(__DIR__ . '/../resources/Errors/mysql.ini');
-        $errorsMariaDb = parse_ini_file(__DIR__ . '/../resources/Errors/mariadb.ini');
-        $errorsOracle = parse_ini_file(__DIR__ . '/../resources/Errors/oracle.ini');
-        $errorssqlServer = parse_ini_file(__DIR__ . '/../resources/Errors/sqlserver.ini');
-        $errorsPostgreSql = parse_ini_file(__DIR__ . '/../resources/Errors/postgresql.ini');
+        $errorsMysql = parse_ini_file(__DIR__.'/../resources/Errors/mysql.ini');
+        $errorsMariaDb = parse_ini_file(__DIR__.'/../resources/Errors/mariadb.ini');
+        $errorsOracle = parse_ini_file(__DIR__.'/../resources/Errors/oracle.ini');
+        $errorssqlServer = parse_ini_file(__DIR__.'/../resources/Errors/sqlserver.ini');
+        $errorsPostgreSql = parse_ini_file(__DIR__.'/../resources/Errors/postgresql.ini');
 
         $this->errors = array_merge(
-            $errorsMysql, 
-            $errorsMariaDb, 
-            $errorsOracle, 
-            $errorssqlServer, 
+            $errorsMysql,
+            $errorsMariaDb,
+            $errorsOracle,
+            $errorssqlServer,
             $errorsPostgreSql
         );
     }
 }
-
diff --git a/src/VulnerabilityScanner.php b/src/VulnerabilityScanner.php
index 2778147..f2adfcb 100644
--- a/src/VulnerabilityScanner.php
+++ b/src/VulnerabilityScanner.php
@@ -6,4 +6,3 @@ interface VulnerabilityScanner
 {
     public function isVulnerable($target);
 }
-
diff --git a/tests/CrossSiteScriptingTest.php b/tests/CrossSiteScriptingTest.php
index 785f7d7..eb87a7e 100644
--- a/tests/CrossSiteScriptingTest.php
+++ b/tests/CrossSiteScriptingTest.php
@@ -16,9 +16,9 @@ public function setUp()
     public function testIsVulnerable()
     {
         $target = 'http://www.insecurelabs.org/task/Rule1?query=a';
-        
+
         $this->assertEquals(
-            substr($target, 0, -1) . CrossSiteScripting::EXPLOIT2, 
+            substr($target, 0, -1).CrossSiteScripting::EXPLOIT2,
             $this->instance->isVulnerable($target)
         );
     }
@@ -26,20 +26,20 @@ public function testIsVulnerable()
     public function testIsNotVulnerable()
     {
         $target = 'http://www.insecurelabs.org';
-        
+
         $this->assertFalse($this->instance->isVulnerable($target));
     }
 
     public function testGenerateUrls()
     {
-        $target = "http://example.com?param=1&query=a";
-        $url0 = sprintf("http://example.com?param=%s&query=a", CrossSiteScripting::EXPLOIT1);
-        $url1 = sprintf("http://example.com?param=1&query=%s", CrossSiteScripting::EXPLOIT1);
-        $url2 = sprintf("http://example.com?param=%s&query=a", CrossSiteScripting::EXPLOIT2);
-        $url3 = sprintf("http://example.com?param=1&query=%s", CrossSiteScripting::EXPLOIT2);
+        $target = 'http://example.com?param=1&query=a';
+        $url0 = sprintf('http://example.com?param=%s&query=a', CrossSiteScripting::EXPLOIT1);
+        $url1 = sprintf('http://example.com?param=1&query=%s', CrossSiteScripting::EXPLOIT1);
+        $url2 = sprintf('http://example.com?param=%s&query=a', CrossSiteScripting::EXPLOIT2);
+        $url3 = sprintf('http://example.com?param=1&query=%s', CrossSiteScripting::EXPLOIT2);
 
         $urls = $this->instance->generateUrls($target);
-        
+
         $this->assertTrue(count($urls) === 4);
 
         $this->assertEquals($urls[0], $url0);
@@ -50,8 +50,8 @@ public function testGenerateUrls()
 
     public function testIsXssPossible()
     {
-        $target = "http://example.com?param=1&query=a";
-        
+        $target = 'http://example.com?param=1&query=a';
+
         $isValid = $this->instance->isXssPossible($target);
 
         $this->assertTrue($isValid);
@@ -59,39 +59,38 @@ public function testIsXssPossible()
 
     public function testIsXssNotPossible()
     {
-        $target = "http://example.com";
-        
+        $target = 'http://example.com';
+
         $isValid = $this->instance->isXssPossible($target);
 
         $this->assertFalse($isValid);
     }
 
-    public function testCheckSuccess() 
+    public function testCheckSuccess()
     {
-        $body = " " . CrossSiteScripting::EXPLOIT1 . " ";
+        $body = ' '.CrossSiteScripting::EXPLOIT1.' ';
 
         $this->assertTrue($this->instance->checkSuccess($body));
     }
 
-    public function testCheckNotSuccess() 
+    public function testCheckNotSuccess()
     {
-        $body = " ";
+        $body = ' ';
 
         $this->assertFalse($this->instance->checkSuccess($body));
     }
 
     public function testCheckError()
     {
-        $body = "lorem mysql_ ipsum";
+        $body = 'lorem mysql_ ipsum';
 
-        $this->assertTrue($this->instance->checkError($body)); 
+        $this->assertTrue($this->instance->checkError($body));
     }
 
     public function testCheckNotError()
     {
-        $body = "lorem ipsum";
+        $body = 'lorem ipsum';
 
-        $this->assertFalse($this->instance->checkError($body)); 
+        $this->assertFalse($this->instance->checkError($body));
     }
 }
-
diff --git a/tests/LocalFileDownloadTest.php b/tests/LocalFileDownloadTest.php
index 0b7e8c8..959ca51 100644
--- a/tests/LocalFileDownloadTest.php
+++ b/tests/LocalFileDownloadTest.php
@@ -15,15 +15,15 @@ public function setUp()
 
     public function testIsNotVulnerable()
     {
-        $target = "http://example.com/index.html?a=1";
+        $target = 'http://example.com/index.html?a=1';
 
         $this->assertFalse($this->instance->isVulnerable($target));
     }
 
     public function testGenerateUrls()
     {
-        $target = "http://example.com/index.html?param=1&query=a";
-        $url0 = sprintf("http://example.com/index.html?param=%s&query=a", "/index.html");
+        $target = 'http://example.com/index.html?param=1&query=a';
+        $url0 = sprintf('http://example.com/index.html?param=%s&query=a', '/index.html');
 
         $urls = $this->instance->generateUrls($target);
 
@@ -34,8 +34,8 @@ public function testGenerateUrls()
 
     public function testIsLfdPossible()
     {
-        $target = "http://example.com/index.html?param=1&query=a";
-        
+        $target = 'http://example.com/index.html?param=1&query=a';
+
         $isValid = $this->instance->isLfdPossible($target);
 
         $this->assertTrue($isValid);
@@ -43,11 +43,10 @@ public function testIsLfdPossible()
 
     public function testIsLfdNotPossible()
     {
-        $target = "http://example.com/index.html";
-        
+        $target = 'http://example.com/index.html';
+
         $isValid = $this->instance->isLfdPossible($target);
 
         $this->assertFalse($isValid);
     }
 }
-
diff --git a/tests/LocalFileInclusionTest.php b/tests/LocalFileInclusionTest.php
index eb76f36..3d0105e 100644
--- a/tests/LocalFileInclusionTest.php
+++ b/tests/LocalFileInclusionTest.php
@@ -15,15 +15,15 @@ public function setUp()
 
     public function testIsNotVulnerable()
     {
-        $target = "http://example.com/index.html?a=1";
+        $target = 'http://example.com/index.html?a=1';
 
         $this->assertFalse($this->instance->isVulnerable($target));
     }
 
     public function testGenerateUrls()
     {
-        $target = "http://example.com/index.html?param=1&query=a";
-        $url0 = sprintf("http://example.com/index.html?param=%s&query=a", LocalFileInclusion::EXPLOIT1);
+        $target = 'http://example.com/index.html?param=1&query=a';
+        $url0 = sprintf('http://example.com/index.html?param=%s&query=a', LocalFileInclusion::EXPLOIT1);
 
         $urls = $this->instance->generateUrls($target);
 
@@ -34,8 +34,8 @@ public function testGenerateUrls()
 
     public function testIsLfiPossible()
     {
-        $target = "http://example.com/index.html?param=1&query=a";
-        
+        $target = 'http://example.com/index.html?param=1&query=a';
+
         $isValid = $this->instance->isLfiPossible($target);
 
         $this->assertTrue($isValid);
@@ -43,11 +43,10 @@ public function testIsLfiPossible()
 
     public function testIsLfiNotPossible()
     {
-        $target = "http://example.com/index.html";
-        
+        $target = 'http://example.com/index.html';
+
         $isValid = $this->instance->isLfiPossible($target);
 
         $this->assertFalse($isValid);
     }
 }
-
diff --git a/tests/SqlInjectionTest.php b/tests/SqlInjectionTest.php
index 02f23ed..19c586d 100644
--- a/tests/SqlInjectionTest.php
+++ b/tests/SqlInjectionTest.php
@@ -16,9 +16,9 @@ public function setUp()
     public function testIsVulnerable()
     {
         $target = 'http://testphp.vulnweb.com/search.php?test=a';
-        
+
         $this->assertEquals(
-            $target . SqlInjection::EXPLOIT, 
+            $target.SqlInjection::EXPLOIT,
             $this->instance->isVulnerable($target)
         );
     }
@@ -26,32 +26,31 @@ public function testIsVulnerable()
     public function testIsNotVulnerable()
     {
         $target = 'http://www.insecurelabs.org';
-        
+
         $this->assertFalse($this->instance->isVulnerable($target));
     }
 
     public function testGenerateUrlByExploit()
     {
-        $target = "http://example.com?query=a";
-        $url = sprintf("http://example.com?query=a%s", SqlInjection::EXPLOIT);
+        $target = 'http://example.com?query=a';
+        $url = sprintf('http://example.com?query=a%s', SqlInjection::EXPLOIT);
 
         $generatedUrl = $this->instance->generateUrlByExploit($target);
-        
+
         $this->assertEquals($generatedUrl[0], $url);
     }
 
     public function testCheckError()
     {
-        $body = "lorem mysql_ ipsum";
+        $body = 'lorem mysql_ ipsum';
 
-        $this->assertTrue($this->instance->checkError($body)); 
+        $this->assertTrue($this->instance->checkError($body));
     }
 
     public function testCheckNotError()
     {
-        $body = "lorem ipsum";
+        $body = 'lorem ipsum';
 
-        $this->assertFalse($this->instance->checkError($body)); 
+        $this->assertFalse($this->instance->checkError($body));
     }
 }
-