PHP快捷设置系统环境变量

@echo off
:: 自动提权为管理员（核心代码）
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
if %errorlevel% neq 0 (
    powershell -Command "Start-Process '%~f0' -Verb RunAs"
    exit /b
)

:: 原脚本内容
chcp 65001 > nul
setlocal enabledelayedexpansion

:: 配置区
set "PHP_BASE=D:\phpstudy\php"
set "LINK_PATH=!PHP_BASE!\current"
set "PHP84=!PHP_BASE!\php-8.4.12-nts"
set "PHP82=!PHP_BASE!\php-8.2.30-nts"
set "PHP80=!PHP_BASE!\php-8.0.15-nts"
set "PHP74=!PHP_BASE!\php-7.4.7-nts"
set "PHP72=!PHP_BASE!\php-7.2.29-nts"
set "PHP55=!PHP_BASE!\php-5.5.38-nts"
set "PHP53=!PHP_BASE!\php-5.3.29-nts"

:: 显示菜单
cls
echo ===================== PHP 版本切换工具 =====================
echo  请选择要切换的 PHP 版本：
echo  1. PHP 8.4.12
echo  2. PHP 8.2.30
echo  3. PHP 8.0.15
echo  4. PHP 7.4.7
echo  5. PHP 7.2.29
echo  6. PHP 5.5.38
echo  7. PHP 5.3.29
echo ==========================================================
set /p "choice=输入数字(1-7)并按回车："

:: 赋值目标路径
set "TARGET_PHP="
if "!choice!"=="1" set "TARGET_PHP=!PHP84!"
if "!choice!"=="2" set "TARGET_PHP=!PHP82!"
if "!choice!"=="3" set "TARGET_PHP=!PHP80!"
if "!choice!"=="4" set "TARGET_PHP=!PHP74!"
if "!choice!"=="5" set "TARGET_PHP=!PHP72!"
if "!choice!"=="6" set "TARGET_PHP=!PHP55!"
if "!choice!"=="7" set "TARGET_PHP=!PHP53!"

:: 检查路径有效性
if not exist "!TARGET_PHP!\php.exe" (
    echo.
    echo 错误：PHP 路径不存在！路径：!TARGET_PHP!
    pause
    exit /b 1
)

:: 更新软链接
echo.
echo 正在切换到 PHP 版本：!TARGET_PHP!
if exist "!LINK_PATH!" (
    rmdir "!LINK_PATH!"
)
mklink /D "!LINK_PATH!" "!TARGET_PHP!" > nul

:: 验证结果
set "PATH=!LINK_PATH!;%PATH%"
echo.
echo 切换成功！当前会话 PHP 版本：
php -v
echo.
echo 全局生效：无需重启窗口，直接使用即可。
pause

endlocal