mirror of https://github.com/friendica/friendica
87 lines
1.5 KiB
PHP
87 lines
1.5 KiB
PHP
<?php
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namespace Friendica\Model\Config;
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use Friendica\Database\Database;
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/**
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* The DB-based model of (P-)Config values
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* Encapsulates db-calls in case of config queries
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*/
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abstract class DbaConfig
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{
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/** @var Database */
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protected $dba;
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/**
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* @param Database $dba The database connection of this model
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*/
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public function __construct(Database $dba)
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{
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$this->dba = $dba;
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}
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/**
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* Checks if the model is currently connected
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*
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* @return bool
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*/
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public function isConnected()
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{
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return $this->dba->isConnected();
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}
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/**
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* Formats a DB value to a config value
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* - null = The db-value isn't set
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* - bool = The db-value is either '0' or '1'
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* - array = The db-value is a serialized array
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* - string = The db-value is a string
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*
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* Keep in mind that there aren't any numeric/integer config values in the database
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*
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* @param null|string $value
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*
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* @return null|array|string
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*/
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protected function toConfigValue($value)
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{
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if (!isset($value)) {
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return null;
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}
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switch (true) {
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// manage array value
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case preg_match("|^a:[0-9]+:{.*}$|s", $value):
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return unserialize($value);
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default:
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return $value;
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}
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}
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/**
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* Formats a config value to a DB value (string)
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*
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* @param mixed $value
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*
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* @return string
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*/
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protected function toDbValue($value)
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{
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// if not set, save an empty string
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if (!isset($value)) {
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return '';
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}
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switch (true) {
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// manage arrays
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case is_array($value):
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return serialize($value);
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default:
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return (string)$value;
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}
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}
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}
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