108 lines
1.9 KiB
PHP
108 lines
1.9 KiB
PHP
<?php
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namespace League\Flysystem;
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class Config
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{
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/**
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* @var array
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*/
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protected $settings = [];
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/**
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* @var Config|null
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*/
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protected $fallback;
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/**
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* Constructor.
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*
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* @param array $settings
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*/
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public function __construct(array $settings = [])
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{
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$this->settings = $settings;
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}
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/**
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* Get a setting.
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*
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* @param string $key
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* @param mixed $default
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*
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* @return mixed config setting or default when not found
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*/
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public function get($key, $default = null)
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{
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if ( ! array_key_exists($key, $this->settings)) {
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return $this->getDefault($key, $default);
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}
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return $this->settings[$key];
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}
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/**
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* Check if an item exists by key.
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*
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* @param string $key
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*
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* @return bool
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*/
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public function has($key)
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{
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if (array_key_exists($key, $this->settings)) {
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return true;
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}
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return $this->fallback instanceof Config
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? $this->fallback->has($key)
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: false;
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}
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/**
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* Try to retrieve a default setting from a config fallback.
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*
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* @param string $key
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* @param mixed $default
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*
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* @return mixed config setting or default when not found
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*/
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protected function getDefault($key, $default)
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{
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if ( ! $this->fallback) {
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return $default;
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}
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return $this->fallback->get($key, $default);
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}
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/**
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* Set a setting.
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*
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* @param string $key
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* @param mixed $value
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*
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* @return $this
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*/
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public function set($key, $value)
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{
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$this->settings[$key] = $value;
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return $this;
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}
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/**
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* Set the fallback.
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*
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* @param Config $fallback
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*
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* @return $this
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*/
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public function setFallback(Config $fallback)
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{
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$this->fallback = $fallback;
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return $this;
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}
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}
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