CHIEFSOFT\ameye
133 lines
3.0 KiB
PHP
133 lines
3.0 KiB
PHP
<?php
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/**
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* @file classes/core/RuntimeEnvironment.php
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*
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* Copyright (c) 2014-2021 Simon Fraser University
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* Copyright (c) 2000-2021 John Willinsky
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* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
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*
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* @class RuntimeEnvironment
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*
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* @ingroup core
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*
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* @brief Class that describes a runtime environment.
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*/
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namespace PKP\core;
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use PKP\config\Config;
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class RuntimeEnvironment
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{
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/** @var string */
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public $_phpVersionMin;
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/** @var string */
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public $_phpVersionMax;
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/** @var array */
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public $_phpExtensions;
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/** @var array */
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public $_externalPrograms;
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public function __construct($phpVersionMin = PKPApplication::PHP_REQUIRED_VERSION, $phpVersionMax = null, $phpExtensions = [], $externalPrograms = [])
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{
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$this->_phpVersionMin = $phpVersionMin;
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$this->_phpVersionMax = $phpVersionMax;
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$this->_phpExtensions = $phpExtensions;
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$this->_externalPrograms = $externalPrograms;
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}
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//
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// Setters and Getters
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//
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/**
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* Get the min required PHP version
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*
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* @return string
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*/
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public function getPhpVersionMin()
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{
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return $this->_phpVersionMin;
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}
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/**
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* Get the max required PHP version
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*
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* @return string
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*/
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public function getPhpVersionMax()
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{
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return $this->_phpVersionMax;
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}
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/**
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* Get the required PHP extensions
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*
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* @return array
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*/
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public function getPhpExtensions()
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{
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return $this->_phpExtensions;
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}
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/**
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* Get the required external programs
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*
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* @return array
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*/
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public function getExternalPrograms()
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{
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return $this->_externalPrograms;
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}
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//
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// Public methods
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//
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/**
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* Checks whether the current runtime environment is
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* compatible with the specified parameters.
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*
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* @return bool
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*/
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public function isCompatible()
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{
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// Check PHP version
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if (!is_null($this->_phpVersionMin) && version_compare(PHP_VERSION, $this->_phpVersionMin) < 0) {
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return false;
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}
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if (!is_null($this->_phpVersionMax) && version_compare(PHP_VERSION, $this->_phpVersionMax) > 0) {
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return false;
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}
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// Check PHP extensions
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foreach ($this->_phpExtensions as $requiredExtension) {
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if (!extension_loaded($requiredExtension)) {
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return false;
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}
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}
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// Check external programs
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foreach ($this->_externalPrograms as $requiredProgram) {
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$externalProgram = Config::getVar('cli', $requiredProgram);
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if (!file_exists($externalProgram)) {
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return false;
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}
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if (function_exists('is_executable')) {
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if (!is_executable($externalProgram)) {
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return false;
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}
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}
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}
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// Compatibility check was successful
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return true;
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}
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}
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if (!PKP_STRICT_MODE) {
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class_alias('\PKP\core\RuntimeEnvironment', '\RuntimeEnvironment');
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}
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