Fix errors to make oneye runnable on PHP 8

.htaccess

@@ -3,16 +3,13 @@
 	# COMPATIBILITY
 	#
 	php_value arg_separator.output        &
-	php_value disable_classes
-	php_value disable_functions
 	php_value display_errors              0
 	php_value error_log                   ./logs/php.txt
-	php_value error_reporting             0
+	php_value error_reporting             1
 	php_value html_errors                 0
 	php_value magic_quotes_gpc            0
 	php_value magic_quotes_runtime        0
 	php_value magic_quotes_sybase         0
-	php_value mbstring.func_overload      0
 	php_value register_globals            0
 	php_value safe_mode                   0
 	php_value session.use_cookies         1

installer/index.php

@@ -24,7 +24,7 @@
 define('INSTALL_DIR','./installer/');
 define('INSTALL_INDEX','./index.html');
 define('INSTALL_INSTALLER',1);
-define('INSTALL_MD5', '7d4ab40b5800d0c09e11ce153dce7216');
+define('INSTALL_MD5', '7eb6403e531eb8124dc4517fe47950c3');
 define('INSTALL_PACKAGE','./package.eyepackage');
 define('INSTALL_SYSTEM',1);
 define('INSTALL_UPDATER',1);
@@ -56,4 +56,4 @@
 		output_errors(array(lang_translate('installer-install-error-notactive','The installer part of this oneye package is disabled. Please remember to remove the installer files.')));
 	}
 }
-?>
+?>

installer/libraries.eyecode

@@ -282,7 +282,7 @@ function lib_compat() {
 		<th colspan="2">' . lang_translate('installer-install-required','Required') . '</th>
 		<th>Yours</th>
 	</tr>';
-	$content .= private_lib_compat('mbstring.func_overload', '0', 'red');
+	#$content .= private_lib_compat('mbstring.func_overload', '0', 'red');
 	$content .= private_lib_compat('safe_mode', '0', 'red', version_compare(PHP_VERSION, '5.4.0', '<'));
 	$content .= private_lib_compat('session.use_cookies', '1', 'red');
 	$content .= private_lib_compat('zend.ze1_compatibility_mode', '0', 'red', version_compare(PHP_VERSION, '5.3.0', '<'));
@@ -439,7 +439,7 @@ function output_uninstall() {
 
 function path_account($user) {
 	include_once('settings.php');
-	$user_acronym = $user{0} . substr($user,-1) . substr(strlen($user),-1);
+	$user_acronym = $user[0] . substr($user,-1) . substr(strlen($user),-1);
 	return EYE_ROOT . '/' . REAL_EYE_ROOT . '/' . ACCOUNT_DIR . '/' . $user_acronym . '/' . $user . '.xml';
 }
 
@@ -525,9 +525,9 @@ function xml_xml2array($content) {
 		} else {
 			$tag = $full_tag;
 		}
-		if ($tag{0} == '/' || $full_tag{strlen($full_tag) - 1} == '/') {
+		if ($tag[0] == '/' || $full_tag[strlen($full_tag) - 1] == '/') {
 			$content = substr($end,1);
-		} elseif ($tag{0} == '?') {
+		} elseif ($tag[0] == '?') {
 			$content = substr(strstr($content,'?>'),2);
 		} elseif (substr($tag,0,3) == '!--') {
 			$content = substr(strstr($content,'-->'),3);