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<?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) 2006~2019 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 <[email protected]> |
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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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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 $data = []; |
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public function __construct() |
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{ |
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$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($file, true) ?: []; |
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$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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return $this->data[$name]; |
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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 ('false' === $result) { |
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$result = false; |
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} elseif ('true' === $result) { |
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$result = true; |
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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 => $v) { |
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$this->data[$key . '_' . strtoupper($k)] = $v; |
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} |
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} else { |
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$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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* 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 $name): bool |
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{ |
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return !is_null($this->get($name)); |
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} |
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// ArrayAccess |
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public function offsetSet($name, $value): void |
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{ |
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$this->set($name, $value); |
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} |
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public function offsetExists($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($name) |
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{ |
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throw new Exception('not support: unset'); |
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} |
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public function offsetGet($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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top-think /
framework
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