[BUGFIX] Make unserialize call PHP5 compliant (fixes #17)

Classes/Controller/AbstractBackendController.php

@@ -182,7 +182,11 @@ abstract class AbstractBackendController extends AbstractController {
 			'override' => LocalizationUtility::translate('select.editingMode.override', 'lfeditor'),
 		);
 
-		$backendConfiguration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['lfeditor'], []);
+		if (7 === PHP_MAJOR_VERSION) {
+			$backendConfiguration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['lfeditor'], []);
+		} else {
+			$backendConfiguration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['lfeditor']);
+		}
 		if (isset($backendConfiguration['editModeExtension']) && ((int) $backendConfiguration['editModeExtension']) === 0) {
 			unset($editingModeOptions['extension']);
 		}

Classes/Service/LicensingService.php

@@ -54,7 +54,15 @@ class LicensingService {
 	public static function checkKey(): bool {
 		if (static::$isLicenseKeyValid === NULL) {
 			static::$isLicenseKeyValid = FALSE;
-			$configuration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY], [FALSE]);
+
+			if (7 === PHP_MAJOR_VERSION) {
+				$configuration = unserialize(
+					$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY],
+					[false]
+				);
+			} else {
+				$configuration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY]);
+			}
 			if (isset($configuration['key']) && $key = trim($configuration['key'])) {
 				static::$isLicenseKeyValid = (bool) preg_match('/^([A-Z\d]{6}-?){4}$/', $key);
 			}
@@ -71,7 +79,14 @@ class LicensingService {
 	 */
 	public static function ping($returnUrl = FALSE): string {
 		try {
-			$configuration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY], [FALSE]);
+			if (7 === PHP_MAJOR_VERSION) {
+				$configuration = unserialize(
+					$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY],
+					[false]
+				);
+			} else {
+			    $configuration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::EXTENSION_KEY]);
+			}
 			$key = '';
 			if (isset($configuration['key'])) {
 				$key = trim($configuration['key']);