Replace new occurences of ini_get with IniWrapper methods

lib/private/helper.php

@@ -753,8 +753,9 @@ class OC_Helper {
 	 * @return int PHP upload file size limit
 	 */
 	public static function uploadLimit() {
-		$upload_max_filesize = OCP\Util::computerFileSize(ini_get('upload_max_filesize'));
-		$post_max_size = OCP\Util::computerFileSize(ini_get('post_max_size'));
+		$ini = \OC::$server->getIniWrapper();
+		$upload_max_filesize = OCP\Util::computerFileSize($ini->get('upload_max_filesize'));
+		$post_max_size = OCP\Util::computerFileSize($ini->get('post_max_size'));
 		if ((int)$upload_max_filesize === 0 and (int)$post_max_size === 0) {
 			return INF;
 		} elseif ((int)$upload_max_filesize === 0 or (int)$post_max_size === 0) {
@@ -774,12 +775,13 @@ class OC_Helper {
 		if (!function_exists($function_name)) {
 			return false;
 		}
-		$disabled = explode(',', ini_get('disable_functions'));
+		$ini = \OC::$server->getIniWrapper();
+		$disabled = explode(',', $ini->get('disable_functions'));
 		$disabled = array_map('trim', $disabled);
 		if (in_array($function_name, $disabled)) {
 			return false;
 		}
-		$disabled = explode(',', ini_get('suhosin.executor.func.blacklist'));
+		$disabled = explode(',', $ini->get('suhosin.executor.func.blacklist'));
 		$disabled = array_map('trim', $disabled);
 		if (in_array($function_name, $disabled)) {
 			return false;

lib/private/memcache/xcache.php

@@ -124,7 +124,7 @@ class XCache extends Cache implements IMemcache {
 			// AND administration functions are password-protected.
 			return false;
 		}
-		$var_size = (int)ini_get('xcache.var_size');
+		$var_size = \OC::$server->getIniWrapper()->getNumeric('xcache.var_size');
 		if (!$var_size) {
 			return false;
 		}

lib/private/tempmanager.php

@@ -213,7 +213,7 @@ class TempManager implements ITempManager {
 		if ($temp = $this->config->getSystemValue('tempdirectory', null)) {
 			$directories[] = $temp;
 		}
-		if ($temp = ini_get('upload_tmp_dir')) {
+		if ($temp = \OC::$server->getIniWrapper()->get('upload_tmp_dir')) {
 			$directories[] = $temp;
 		}
 		if ($temp = getenv('TMP')) {

lib/private/util.php

@@ -1415,7 +1415,7 @@ class OC_Util {
 		}
 		// XCache
 		if (function_exists('xcache_clear_cache')) {
-			if (ini_get('xcache.admin.enable_auth')) {
+			if (\OC::$server->getIniWrapper()->getBool('xcache.admin.enable_auth')) {
 				\OCP\Util::writeLog('core', 'XCache opcode cache will not be cleared because "xcache.admin.enable_auth" is enabled.', \OCP\Util::WARN);
 			} else {
 				@xcache_clear_cache(XC_TYPE_PHP, 0);