Fix PHP5 compatibility issues

src/Exceptions/LEAccountException.php

@@ -37,7 +37,7 @@
  */
 class LEAccountException extends LEException
 {
-	public const ACCOUNTNOTFOUNDEEXCEPTION 	= 0x21;
+	const ACCOUNTNOTFOUNDEEXCEPTION 	= 0x21;
 
 	public static function AccountNotFoundException()
 	{

src/Exceptions/LEAuthorizationException.php

@@ -37,7 +37,7 @@
  */
 class LEAuthorizationException extends LEException
 {
-	public const NOCHALLENGEFOUNDEEXCEPTION	= 0x41;
+	const NOCHALLENGEFOUNDEEXCEPTION	= 0x41;
 
 	public static function NoChallengeFoundException($type, $identifier)
 	{

src/Exceptions/LEClientException.php

@@ -37,8 +37,8 @@
  */
 class LEClientException extends LEException
 {
-	public const INVALIDARGUMENTEXCEPTION 	= 0x01;
-	public const INVALIDDIRECTORYEXCEPTION 	= 0x02;
+	const INVALIDARGUMENTEXCEPTION 	= 0x01;
+	const INVALIDDIRECTORYEXCEPTION 	= 0x02;
 
 	public static function InvalidArgumentException(string $message)
 	{

src/Exceptions/LEConnectorException.php

@@ -37,11 +37,11 @@
  */
 class LEConnectorException extends LEException
 {
-	public const NONEWNONCEEXCEPTION 			= 0x11;
-	public const ACCOUNTDEACTIVATEDEXCEPTION 	= 0x12;
-	public const METHODNOTSUPPORTEDEXCEPTION 	= 0x13;
-	public const CURLERROREXCEPTION 			= 0x14;
-	public const INVALIDRESPONSEEXCEPTION 		= 0x15;
+	const NONEWNONCEEXCEPTION 			= 0x11;
+	const ACCOUNTDEACTIVATEDEXCEPTION 	= 0x12;
+	const METHODNOTSUPPORTEDEXCEPTION 	= 0x13;
+	const CURLERROREXCEPTION 			= 0x14;
+	const INVALIDRESPONSEEXCEPTION 		= 0x15;
 
 	public static function NoNewNonceException()
 	{

src/Exceptions/LEException.php

@@ -39,7 +39,7 @@ class LEException extends \RuntimeException
 {
 	protected $responsedata;
 
-	public function __construct(string $message = "", int $code = 0, Throwable $previous = NULL, array $responsedata = NULL)
+	public function __construct($message = "", $code = 0, $previous = NULL, $responsedata = NULL)
 	{
 		parent::__construct($message, $code, $previous);
 		$this->responsedata = $responsedata;

src/Exceptions/LEFunctionsException.php

@@ -37,9 +37,9 @@
  */
 class LEFunctionsException extends LEException
 {
-	public const INVALIDARGUMENTEXCEPTION 	= 0x51;
-	public const GENERATEKEYPAIREXCEPTION 	= 0x52;
-	public const PHPVERSIONEXCEPTION 		= 0x53;
+	const INVALIDARGUMENTEXCEPTION 	= 0x51;
+	const GENERATEKEYPAIREXCEPTION 	= 0x52;
+	const PHPVERSIONEXCEPTION 		= 0x53;
 
 	public static function InvalidArgumentException(string $message)
 	{

src/Exceptions/LEOrderException.php

@@ -37,11 +37,11 @@
  */
 class LEOrderException extends LEException
 {
-	public const INVALIDKEYTYPEEXCEPTION 		= 0x31;
-	public const INVALIDORDERSTATUSEXCEPTION 	= 0x32;
-	public const CREATEFAILEDEXCEPTION 			= 0x33;
-	public const INVALIDARGUMENTEXCEPTION		= 0x34;
-	public const INVALIDCONFIGURATIONEXCEPTION	= 0x35;	
+	const INVALIDKEYTYPEEXCEPTION 		= 0x31;
+	const INVALIDORDERSTATUSEXCEPTION 	= 0x32;
+	const CREATEFAILEDEXCEPTION 			= 0x33;
+	const INVALIDARGUMENTEXCEPTION		= 0x34;
+	const INVALIDCONFIGURATIONEXCEPTION	= 0x35;
 
 	public static function InvalidKeyTypeException(string $keyType)
 	{

src/LEConnector.php

@@ -93,7 +93,8 @@ private function getLEDirectory()
      */
 	private function getNewNonce()
 	{
-		if($this->head($this->newNonce)['status'] !== 200) throw LEConnectorException::NoNewNonceException();
+		$head = $this->head($this->newNonce);
+		if($head['status'] !== 200) throw LEConnectorException::NoNewNonceException();
 	}
 
     /**

src/LEOrder.php

@@ -844,10 +844,10 @@ private function validateCertificateResponse(array $response)
         {
             if(preg_match_all('~(-----BEGIN\sCERTIFICATE-----[\s\S]+?-----END\sCERTIFICATE-----)~i', $response['body'], $matches))
             {
-                return [
+                return array(
                     'leaf' => $matches[0][0],
                     'intermediate' => $matches[0][1],
-                ];
+                );
             }
             else
             {