mirror of
https://github.com/the-djmaze/snappymail.git
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125 lines
2.5 KiB
PHP
125 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of MailSo.
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*
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* (c) 2014 Usenko Timur
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace MailSo\Base;
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/**
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* @category MailSo
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* @package Base
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*/
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class ResourceRegistry
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{
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/**
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* @var array
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*/
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public static $Resources = array();
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/**
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* @access private
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*/
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private function __construct()
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{
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}
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/**
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* @staticvar bool $bInited
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*
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* @return void
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*/
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private static function regResourcesShutdownFunc()
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{
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static $bInited = false;
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if (!$bInited)
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{
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$bInited = true;
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\register_shutdown_function(function () {
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if (\is_array(\MailSo\Base\ResourceRegistry::$Resources))
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{
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foreach (\array_keys(\MailSo\Base\ResourceRegistry::$Resources) as $sKey)
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{
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if (\is_resource(\MailSo\Base\ResourceRegistry::$Resources[$sKey]))
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{
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\MailSo\Base\Loader::IncStatistic('CloseMemoryResource');
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\fclose(\MailSo\Base\ResourceRegistry::$Resources[$sKey]);
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}
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\MailSo\Base\ResourceRegistry::$Resources[$sKey] = null;
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}
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}
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\MailSo\Base\ResourceRegistry::$Resources = array();
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});
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}
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}
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/**
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* @param int $iMemoryMaxInMb = 5
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*
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* @return resource | bool
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*/
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public static function CreateMemoryResource($iMemoryMaxInMb = 5)
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{
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self::regResourcesShutdownFunc();
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$oResult = @\fopen('php://temp/maxmemory:'.($iMemoryMaxInMb * 1024 * 1024), 'r+b');
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if (\is_resource($oResult))
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{
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\MailSo\Base\Loader::IncStatistic('CreateMemoryResource');
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\MailSo\Base\ResourceRegistry::$Resources[(string) $oResult] = $oResult;
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return $oResult;
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}
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return false;
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}
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/**
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* @param string $sString
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*
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* @return resource | bool
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*/
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public static function CreateMemoryResourceFromString($sString)
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{
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$oResult = self::CreateMemoryResource();
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if (\is_resource($oResult))
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{
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\fwrite($oResult, $sString);
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\rewind($oResult);
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}
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return $oResult;
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}
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/**
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* @param resource $rResource
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*
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* @return void
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*/
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public static function CloseMemoryResource(&$rResource)
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{
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if (\is_resource($rResource))
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{
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$sKey = (string) $rResource;
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if (isset(\MailSo\Base\ResourceRegistry::$Resources[$sKey]))
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{
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\fclose(\MailSo\Base\ResourceRegistry::$Resources[$sKey]);
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\MailSo\Base\ResourceRegistry::$Resources[$sKey] = null;
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unset(\MailSo\Base\ResourceRegistry::$Resources[$sKey]);
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\MailSo\Base\Loader::IncStatistic('CloseMemoryResource');
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}
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if (\is_resource($rResource))
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{
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\fclose($rResource);
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}
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$rResource = null;
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}
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}
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}
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