What to do if php env has no value

The solution to the problem that php env has no value: 1. Modify the configuration items of the php configuration file php.ini; 2. While putting the putenv in base.php, write the data into "$_ENV". .

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

What should I do if php env has no value? PHP cannot obtain it. The value set in the env file

First: $_ENV will be empty. The reason is usually that the configuration item of the php configuration file php.ini is:

；variables_order
；Default Value: “EGPCS”
；Development Value: “GPCS”
；Production Value: “GPCS”

If you want to change the value of $_ENV Not empty:

；variables_order
Default Value: “EGPCS”
；Development Value: “GPCS”
；Production Value: “GPCS”

Second:

The problem of Env not being displayed can be solved by writing data to $_ENV while puttingenv in base.php.

Open the base.php file in the thinkphp directory and modify it. Around line 41

if (is_file(ROOT_PATH . '.env')) {
    $env = parse_ini_file(ROOT_PATH . '.env', true);
    foreach ($env as $key => $val) {
        $name = ENV_PREFIX . strtoupper($key);
        if (is_array($val)) {
            foreach ($val as $k => $v) {
                $item = $name . '_' . strtoupper($k);
                putenv("$item=$v");
            }
        } else {
            putenv("$name=$val");
            //加入这一句
            $_ENV[$name]=$val;
        }
    }
}

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