<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2025 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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declare(strict_types=1);
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namespace think;
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use ArrayAccess;
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/**
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* Env管理类
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* @package think
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*/
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class Env implements ArrayAccess
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{
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/**
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* 环境变量数据
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* @var array
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*/
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protected $data = [];
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/**
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* 数据转换映射
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* @var array
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*/
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protected $convert = [
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'true' => true,
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'false' => false,
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'off' => false,
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'on' => true,
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];
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public function __construct()
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{
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$this->data = $_ENV;
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}
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/**
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* 读取环境变量定义文件
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* @access public
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* @param string $file 环境变量定义文件
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* @return void
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*/
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public function load(string $file): void
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{
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$env = parse_ini_file($file, true, INI_SCANNER_RAW) ?: [];
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$this->set($env);
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}
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/**
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* 获取环境变量值
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* @access public
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* @param string $name 环境变量名
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* @param mixed $default 默认值
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* @return mixed
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*/
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public function get(?string $name = null, $default = null)
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{
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if (is_null($name)) {
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return $this->data;
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}
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$name = strtoupper(str_replace('.', '_', $name));
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if (isset($this->data[$name])) {
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$result = $this->data[$name];
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if (is_string($result) && isset($this->convert[$result])) {
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return $this->convert[$result];
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}
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return $result;
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}
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return $this->getEnv($name, $default);
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}
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protected function getEnv(string $name, $default = null)
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{
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$result = getenv('PHP_' . $name);
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if (false === $result) {
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return $default;
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}
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if (isset($this->convert[$result])) {
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$result = $this->convert[$result];
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}
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if (!isset($this->data[$name])) {
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$this->data[$name] = $result;
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}
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return $result;
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}
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/**
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* 设置环境变量值
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* @access public
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* @param string|array $env 环境变量
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* @param mixed $value 值
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* @return void
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*/
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public function set($env, $value = null): void
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{
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if (is_array($env)) {
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$env = array_change_key_case($env, CASE_UPPER);
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foreach ($env as $key => $val) {
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if (is_array($val)) {
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foreach ($val as $k => $v) {
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if (is_string($k)) {
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$this->data[$key . '_' . strtoupper($k)] = $v;
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} else {
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$this->data[$key][$k] = $v;
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}
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}
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} else {
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$this->data[$key] = $val;
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}
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}
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} else {
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$name = strtoupper(str_replace('.', '_', $env));
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$this->data[$name] = $value;
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}
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}
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/**
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* 检测是否存在环境变量
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* @access public
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* @param string $name 参数名
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* @return bool
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*/
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public function has(string $name): bool
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{
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return !is_null($this->get($name));
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}
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/**
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* 设置环境变量
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* @access public
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* @param string $name 参数名
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* @param mixed $value 值
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*/
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public function __set(string $name, $value): void
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{
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$this->set($name, $value);
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}
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/**
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* 获取环境变量
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* @access public
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* @param string $name 参数名
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* @return mixed
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*/
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public function __get(string $name)
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{
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return $this->get($name);
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}
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/**
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* 检测是否存在环境变量
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* @access public
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* @param string $name 参数名
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* @return bool
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*/
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public function __isset(string $name): bool
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{
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return $this->has($name);
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}
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// ArrayAccess
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public function offsetSet(mixed $name, mixed $value): void
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{
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$this->set($name, $value);
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}
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public function offsetExists(mixed $name): bool
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{
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return $this->__isset($name);
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}
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public function offsetUnset(mixed $name): void
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{
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throw new Exception('not support: unset');
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}
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public function offsetGet(mixed $name): mixed
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{
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return $this->get($name);
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}
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}
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