Add Env

Author: sy-records

src/Env.php

@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Simps.
+ *
+ * @link     https://simps.io
+ * @document https://doc.simps.io
+ * @license  https://github.com/simple-swoole/simps/blob/master/LICENSE
+ */
+namespace Simps\Utils;
+
+class Env
+{
+    protected $env;
+
+    /**
+     * 加载配置文件.
+     */
+    public function __construct()
+    {
+        $str = @file_get_contents(BASE_PATH . '/.env');
+        $arr = explode("\n", $str);
+        foreach ($arr as $v) {
+            $v = $this->parse($v);
+            if ($v) {
+                $this->env[$v[0]] = $v[1];
+            }
+        }
+    }
+
+    /**
+     * 获取环境变量.
+     * @param $key
+     * @param null $default
+     * @return null|mixed
+     */
+    public function get($key, $default = null)
+    {
+        return $this->env[$key] ?? $default;
+    }
+
+    /**
+     * 解析加载项.
+     * @param $str
+     * @return null|array
+     */
+    protected function parse($str)
+    {
+        $r = strpos($str, '=');
+        if (! $r) {
+            return null;
+        }
+        $key = trim(substr($str, 0, $r));
+        if (! $key) {
+            return null;
+        }
+        $j = strpos($str, '#');
+        if ($j === false) {
+            $val = trim(substr($str, $r + 1));
+        } else {
+            $val = trim(substr($str, $r + 1, $j - $r - 1));
+        }
+        switch ($val) {
+            case 'true':
+            case '(true)':
+                return [$key, true];
+            case 'false':
+            case '(false)':
+                return [$key, false];
+            case 'empty':
+            case '(empty)':
+                return [$key, ''];
+            case 'null':
+            case '(null)':
+                return [$key, null];
+            default:
+                return [$key, $val];
+        }
+    }
+}

src/functions.php

@@ -38,3 +38,9 @@ function collection($data = [])
         return new \Simps\Utils\Collection($data);
     }
 }
+if (! function_exists('env')) {
+    function env($key, $default = null)
+    {
+        return container()->get(\Simps\Utils\Env::class)->get($key, $default);
+    }
+}