Add warning on admin screen when set_time_limit is unavailable

core/js/setupchecks.js

@@ -160,6 +160,14 @@
 							type: OC.SetupChecks.MESSAGE_TYPE_INFO
 						});
 					}
+					if(!data.isSettimelimitAvailable) {
+						messages.push({
+							msg: t(
+								'core',
+								'The PHP function "set_time_limit" is not available. This could result in scripts being halted mid-execution, breaking your installation. We strongly recommend enabling this function.'),
+							type: OC.SetupChecks.MESSAGE_TYPE_WARNING
+						});
+					}
 				} else {
 					messages.push({
 						msg: t('core', 'Error occurred while checking server setup'),

settings/Controller/CheckSetupController.php

@@ -285,6 +285,20 @@ class CheckSetupController extends Controller {
 		return !(!extension_loaded('memcached') && extension_loaded('memcache'));
 	}
 
+	/**
+	 * Checks if set_time_limit is not disabled.
+	 *
+	 * @return bool
+	 */
+	private function isSettimelimitAvailable() {
+		if (function_exists('set_time_limit')
+			&& strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+			return true;
+		}
+
+		return false;
+	}
+
 	/**
 	 * @return RedirectResponse
 	 */
@@ -411,6 +425,7 @@ Raw output
 				'codeIntegrityCheckerDocumentation' => $this->urlGenerator->linkToDocs('admin-code-integrity'),
 				'isOpcacheProperlySetup' => $this->isOpcacheProperlySetup(),
 				'phpOpcacheDocumentation' => $this->urlGenerator->linkToDocs('admin-php-opcache'),
+				'isSettimelimitAvailable' => $this->isSettimelimitAvailable(),
 			]
 		);
 	}