---
title: "Deprecation: #85807 - EnvironmentService::isEnvironmentInCliMode"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:deprecation-85807"
source: "Changelog/9.4/Deprecation-85807-EnvironmentServiceisEnvironmentInCliMode.rst"
typo3-version: "9.4"
typo3-major: 9
type: "deprecation"
issue: 85807
forge: "https://forge.typo3.org/issues/85807"
tags: ["PHP-API", "FullyScanned", "ext:extbase"]
rendered: "2026-09-18T17:00:34+00:00"
---

# Deprecation: #85807 - EnvironmentService::isEnvironmentInCliMode {#deprecation-85807}

See [forge#85807](https://forge.typo3.org/issues/85807)

## Description {#description}

The method `TYPO3\CMS\Extbase\Service\EnvironmentService::isEnvironmentInCliMode()` has been marked as deprecated.

## Impact {#impact}

Calling the method will trigger a PHP `E_USER_DEPRECATED` error.

## Affected Installations {#affected-installations}

Any TYPO3 installation with a custom extension calling the method above.

## Migration {#migration}

Use `TYPO3\CMS\Core\Core\Environment::isCli()` as replacement.