139 Zeilen
3.9 KiB
PHP
139 Zeilen
3.9 KiB
PHP
<?php
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/**
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* This file is part of MySQLDumper released under the GNU/GPL 2 license
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* http://www.mysqldumper.net
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*
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* @package MySQLDumper
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* @subpackage Configuration
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* @version SVN: $Rev$
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* @author $Author$
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*/
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/**
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* Helper for getting dynamic configuration values like phpRam etc.
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*
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* @package MySQLDumper
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* @subpackage Configuration
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*/
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class Msd_ConfigurationPhpValues
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{
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/**
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* Read dynamic PHP config values
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*
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* @return Zend_Config
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*/
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public static function getDynamicValues ()
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{
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$phpRam = self::_getPhpRam();
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$dynConfig = array(
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'sendmailCall' => self::_getConfigSetting('sendmail_path'),
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'safeMode' => self::_getConfigSetting('safe_mode', true),
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'magicQuotesGpc' => get_magic_quotes_gpc(),
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'disabledPhpFunctions' =>
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str_replace(
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',',
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', ',
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self::_getConfigSetting('disable_functions')
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),
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'maxExecutionTime' => self::_getMaxExecutionTime(),
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'uploadMaxFilesize' => self::_getUploadMaxFilesize(),
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'phpextensions' => implode(', ', get_loaded_extensions()),
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'phpRam' => $phpRam,
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'memoryLimit' => round($phpRam * 1024 * 1024 * 0.9, 0),
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'compression' => self::_hasZlib(),
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);
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return new Zend_Config($dynConfig, true);
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}
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/**
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* Read PHP's max_execution_time
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*
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* @return int
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*/
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private static function _getMaxExecutionTime()
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{
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$maxExecutionTime =
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self::_getConfigSetting('max_execution_time', true);
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if ($maxExecutionTime <= 5) {
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// we didn't get the real value from the server - some deliver "-1"
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$maxExecutionTime = 30;
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} elseif ($maxExecutionTime > 30) {
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// we don't use more than 30 seconds to avoid brower timeouts
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$maxExecutionTime = 30;
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}
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return $maxExecutionTime;
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}
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/**
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* Get PHP's upload_max_filesize
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*
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* @return int
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*/
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private static function _getUploadMaxFilesize()
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{
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$uploadMaxFilesize = self::_getConfigSetting('upload_max_filesize');
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// Is value in Megabytes? If yes create output
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if (strpos($uploadMaxFilesize, 'M')) {
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$uploadMaxFilesize = str_replace('M', '', $uploadMaxFilesize);
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$uploadMaxFilesize = trim($uploadMaxFilesize);
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// re-calculate to Bytes
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$uploadMaxFilesize *= 1024 * 1024;
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}
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return (int) $uploadMaxFilesize;;
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}
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/**
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* Get PHP's ram size
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*
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* @return integer The memory limit in MB
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*/
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private static function _getPhpRam()
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{
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$ram = self::_getConfigSetting('memory_limit');
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// we don't trust the value delivered by server config if < 16
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if ($ram < 16) {
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$ram = 16;
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}
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return $ram;
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}
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/**
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* Detect if zlib is installed
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*
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* @return boolean
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*/
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private static function _hasZlib()
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{
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$zlib = false;
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$extensions = get_loaded_extensions();
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if (in_array('zlib', $extensions)) {
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$zlib = true;
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};
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return (boolean) $zlib;
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}
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/**
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* Returns a PHP-Setting from ini
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*
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* First try to read via ini_get(), then fall back to get_cfg_var()
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*
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* @param string $varName The name of the setting to read
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* @param bool $returnAsInt Whether to return value as integer
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*
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* @return mixed
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*/
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private function _getConfigSetting($varName, $returnAsInt = false)
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{
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$value = @ini_get($varName);
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// fallback if ini_get doesn't work
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if ($value == '' || $value === null) {
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$value = @get_cfg_var($varName);
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}
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if ($returnAsInt) {
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$value = (int) $value;
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}
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return $value;
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}
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}
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