604 lines
23 KiB
PHP
604 lines
23 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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/**
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* Represents a single PHP requirement, e.g. an installed extension.
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* It can be a mandatory requirement or an optional recommendation.
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* There is a special subclass, named PhpIniRequirement, to check a php.ini configuration.
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*
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* This file must be compatible with PHP 5.2+.
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*
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* ************** CAUTION **************
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*
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* DO NOT EDIT THIS FILE AS IT WILL BE OVERRIDEN BY COMPOSER
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*
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* If you want to change this file, edit the one in the
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* SensioDistributionBundle instead.
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*
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* ************** CAUTION **************
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*
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* @author Tobias Schultze <http://tobion.de>
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*/
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class Requirement
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{
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private $fulfilled;
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private $testMessage;
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private $helpText;
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private $helpHtml;
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private $optional;
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/**
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* Constructor that initializes the requirement.
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*
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* @param Boolean $fulfilled Whether the requirement is fulfilled
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* @param string $testMessage The message for testing the requirement
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* @param string $helpHtml The help text formatted in HTML for resolving the problem
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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* @param Boolean $optional Whether this is only an optional recommendation not a mandatory requirement
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*/
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public function __construct($fulfilled, $testMessage, $helpHtml, $helpText = null, $optional = false)
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{
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$this->fulfilled = (Boolean) $fulfilled;
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$this->testMessage = (string) $testMessage;
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$this->helpHtml = (string) $helpHtml;
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$this->helpText = null === $helpText ? strip_tags($this->helpHtml) : (string) $helpText;
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$this->optional = (Boolean) $optional;
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}
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/**
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* Returns whether the requirement is fulfilled.
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*
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* @return Boolean true if fulfilled, otherwise false
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*/
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public function isFulfilled()
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{
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return $this->fulfilled;
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}
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/**
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* Returns the message for testing the requirement.
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*
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* @return string The test message
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*/
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public function getTestMessage()
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{
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return $this->testMessage;
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}
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/**
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* Returns the help text for resolving the problem
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*
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* @return string The help text
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*/
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public function getHelpText()
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{
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return $this->helpText;
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}
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/**
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* Returns the help text formatted in HTML.
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*
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* @return string The HTML help
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*/
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public function getHelpHtml()
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{
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return $this->helpHtml;
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}
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/**
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* Returns whether this is only an optional recommendation and not a mandatory requirement.
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*
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* @return Boolean true if optional, false if mandatory
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*/
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public function isOptional()
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{
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return $this->optional;
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}
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}
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/**
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* Represents a PHP requirement in form of a php.ini configuration.
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*
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* @author Tobias Schultze <http://tobion.de>
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*/
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class PhpIniRequirement extends Requirement
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{
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/**
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* Constructor that initializes the requirement.
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*
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* @param string $cfgName The configuration name used for ini_get()
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* @param Boolean|callback $evaluation Either a Boolean indicating whether the configuration should evaluate to true or false,
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or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
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* @param Boolean $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
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This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
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Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
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* @param string $testMessage The message for testing the requirement (when null and $evaluation is a Boolean a default message is derived)
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* @param string $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a Boolean a default help is derived)
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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* @param Boolean $optional Whether this is only an optional recommendation not a mandatory requirement
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*/
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public function __construct($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null, $optional = false)
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{
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$cfgValue = ini_get($cfgName);
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if (is_callable($evaluation)) {
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if (null === $testMessage || null === $helpHtml) {
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throw new InvalidArgumentException('You must provide the parameters testMessage and helpHtml for a callback evaluation.');
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}
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$fulfilled = call_user_func($evaluation, $cfgValue);
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} else {
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if (null === $testMessage) {
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$testMessage = sprintf('%s %s be %s in php.ini',
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$cfgName,
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$optional ? 'should' : 'must',
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$evaluation ? 'enabled' : 'disabled'
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);
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}
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if (null === $helpHtml) {
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$helpHtml = sprintf('Set <strong>%s</strong> to <strong>%s</strong> in php.ini<a href="#phpini">*</a>.',
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$cfgName,
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$evaluation ? 'on' : 'off'
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);
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}
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$fulfilled = $evaluation == $cfgValue;
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}
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parent::__construct($fulfilled || ($approveCfgAbsence && false === $cfgValue), $testMessage, $helpHtml, $helpText, $optional);
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}
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}
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/**
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* A RequirementCollection represents a set of Requirement instances.
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*
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* Users of PHP 5.2 should be able to run the requirements checks.
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* This is why the class must be compatible with PHP 5.2
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* (e.g. not using namespaces and closures).
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*
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* @author Tobias Schultze <http://tobion.de>
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*/
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class RequirementCollection implements IteratorAggregate
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{
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private $requirements = array();
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/**
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* Gets the current RequirementCollection as an Iterator.
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*
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* @return Traversable A Traversable interface
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*/
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public function getIterator()
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{
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return new ArrayIterator($this->requirements);
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}
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/**
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* Adds a Requirement.
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*
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* @param Requirement $requirement A Requirement instance
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*/
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public function add(Requirement $requirement)
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{
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$this->requirements[] = $requirement;
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}
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/**
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* Adds a mandatory requirement.
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*
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* @param Boolean $fulfilled Whether the requirement is fulfilled
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* @param string $testMessage The message for testing the requirement
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* @param string $helpHtml The help text formatted in HTML for resolving the problem
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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*/
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public function addRequirement($fulfilled, $testMessage, $helpHtml, $helpText = null)
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{
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$this->add(new Requirement($fulfilled, $testMessage, $helpHtml, $helpText, false));
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}
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/**
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* Adds an optional recommendation.
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*
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* @param Boolean $fulfilled Whether the recommendation is fulfilled
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* @param string $testMessage The message for testing the recommendation
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* @param string $helpHtml The help text formatted in HTML for resolving the problem
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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*/
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public function addRecommendation($fulfilled, $testMessage, $helpHtml, $helpText = null)
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{
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$this->add(new Requirement($fulfilled, $testMessage, $helpHtml, $helpText, true));
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}
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/**
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* Adds a mandatory requirement in form of a php.ini configuration.
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*
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* @param string $cfgName The configuration name used for ini_get()
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* @param Boolean|callback $evaluation Either a Boolean indicating whether the configuration should evaluate to true or false,
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or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
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* @param Boolean $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
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This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
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Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
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* @param string $testMessage The message for testing the requirement (when null and $evaluation is a Boolean a default message is derived)
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* @param string $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a Boolean a default help is derived)
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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*/
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public function addPhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null)
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{
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$this->add(new PhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence, $testMessage, $helpHtml, $helpText, false));
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}
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/**
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* Adds an optional recommendation in form of a php.ini configuration.
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*
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* @param string $cfgName The configuration name used for ini_get()
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* @param Boolean|callback $evaluation Either a Boolean indicating whether the configuration should evaluate to true or false,
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or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
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* @param Boolean $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
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This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
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Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
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* @param string $testMessage The message for testing the requirement (when null and $evaluation is a Boolean a default message is derived)
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* @param string $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a Boolean a default help is derived)
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* @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
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*/
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public function addPhpIniRecommendation($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null)
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{
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$this->add(new PhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence, $testMessage, $helpHtml, $helpText, true));
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}
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/**
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* Adds a requirement collection to the current set of requirements.
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*
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* @param RequirementCollection $collection A RequirementCollection instance
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*/
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public function addCollection(RequirementCollection $collection)
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{
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$this->requirements = array_merge($this->requirements, $collection->all());
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}
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/**
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* Returns both requirements and recommendations.
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*
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* @return array Array of Requirement instances
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*/
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public function all()
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{
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return $this->requirements;
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}
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/**
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* Returns all mandatory requirements.
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*
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* @return array Array of Requirement instances
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*/
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public function getRequirements()
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{
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$array = array();
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foreach ($this->requirements as $req) {
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if (!$req->isOptional()) {
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$array[] = $req;
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}
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}
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return $array;
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}
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/**
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* Returns the mandatory requirements that were not met.
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*
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* @return array Array of Requirement instances
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*/
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public function getFailedRequirements()
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{
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$array = array();
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foreach ($this->requirements as $req) {
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if (!$req->isFulfilled() && !$req->isOptional()) {
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$array[] = $req;
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}
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}
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return $array;
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}
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/**
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* Returns all optional recommmendations.
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*
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* @return array Array of Requirement instances
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*/
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public function getRecommendations()
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{
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$array = array();
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foreach ($this->requirements as $req) {
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if ($req->isOptional()) {
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$array[] = $req;
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}
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}
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return $array;
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}
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/**
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* Returns the recommendations that were not met.
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*
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* @return array Array of Requirement instances
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*/
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public function getFailedRecommendations()
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{
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$array = array();
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foreach ($this->requirements as $req) {
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if (!$req->isFulfilled() && $req->isOptional()) {
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$array[] = $req;
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}
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}
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return $array;
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}
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/**
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* Returns whether a php.ini configuration is not correct.
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*
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* @return Boolean php.ini configuration problem?
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*/
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public function hasPhpIniConfigIssue()
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{
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foreach ($this->requirements as $req) {
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if (!$req->isFulfilled() && $req instanceof PhpIniRequirement) {
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return true;
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}
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}
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return false;
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}
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/**
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* Returns the PHP configuration file (php.ini) path.
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*
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* @return string|false php.ini file path
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*/
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public function getPhpIniConfigPath()
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{
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return get_cfg_var('cfg_file_path');
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}
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}
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/**
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* This class specifies all requirements and optional recommendations that
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* are necessary to run the Symfony Standard Edition.
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*
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* @author Tobias Schultze <http://tobion.de>
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*/
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class SymfonyRequirements extends RequirementCollection
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{
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const REQUIRED_PHP_VERSION = '5.3.3';
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/**
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* Constructor that initializes the requirements.
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*/
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public function __construct()
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{
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/* mandatory requirements follow */
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$installedPhpVersion = phpversion();
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$this->addRequirement(
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version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>='),
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sprintf('PHP version must be at least %s (%s installed)', self::REQUIRED_PHP_VERSION, $installedPhpVersion),
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sprintf('You are running PHP version "<strong>%s</strong>", but Symfony needs at least PHP "<strong>%s</strong>" to run.
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Before using Symfony, upgrade your PHP installation, preferably to the latest version.',
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$installedPhpVersion, self::REQUIRED_PHP_VERSION),
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sprintf('Install PHP %s or newer (installed version is %s)', self::REQUIRED_PHP_VERSION, $installedPhpVersion)
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);
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$this->addRequirement(
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is_dir(__DIR__.'/../vendor/composer'),
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'Vendor libraries must be installed',
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'Vendor libraries are missing. Install composer following instructions from <a href="http://getcomposer.org/">http://getcomposer.org/</a>. ' .
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'Then run "<strong>php composer.phar install</strong>" to install them.'
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);
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$this->addRequirement(
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file_get_contents(__FILE__) == file_get_contents(__DIR__.'/../vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/skeleton/app/SymfonyRequirements.php'),
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'Outdated requirements file',
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'Your requirements file is outdated. Run composer install and re-check your configuration.'
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);
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$baseDir = basename(__DIR__);
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$this->addRequirement(
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is_writable(__DIR__.'/cache'),
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"$baseDir/cache/ directory must be writable",
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"Change the permissions of the \"<strong>$baseDir/cache/</strong>\" directory so that the web server can write into it."
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);
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$this->addRequirement(
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is_writable(__DIR__.'/logs'),
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"$baseDir/logs/ directory must be writable",
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"Change the permissions of the \"<strong>$baseDir/logs/</strong>\" directory so that the web server can write into it."
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);
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$this->addPhpIniRequirement(
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'date.timezone', true, false,
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'date.timezone setting must be set',
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'Set the "<strong>date.timezone</strong>" setting in php.ini<a href="#phpini">*</a> (like Europe/Paris).'
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);
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if (version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>=')) {
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$this->addRequirement(
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(in_array(date_default_timezone_get(), DateTimeZone::listIdentifiers())),
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sprintf('Default timezone "%s" is not supported by your installation of PHP', date_default_timezone_get()),
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'Fix your <strong>php.ini</strong> file (check for typos and have a look at the list of deprecated timezones http://php.net/manual/en/timezones.others.php).'
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);
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}
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$this->addRequirement(
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function_exists('json_encode'),
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'json_encode() must be available',
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'Install and enable the <strong>JSON</strong> extension.'
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);
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$this->addRequirement(
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function_exists('session_start'),
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'session_start() must be available',
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'Install and enable the <strong>session</strong> extension.'
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);
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$this->addRequirement(
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function_exists('ctype_alpha'),
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'ctype_alpha() must be available',
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'Install and enable the <strong>ctype</strong> extension.'
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);
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$this->addRequirement(
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function_exists('token_get_all'),
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'token_get_all() must be available',
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'Install and enable the <strong>Tokenizer</strong> extension.'
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);
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$this->addRequirement(
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function_exists('simplexml_import_dom'),
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'simplexml_import_dom() must be available',
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'Install and enable the <strong>SimpleXML</strong> extension.'
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);
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$this->addRequirement(
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!(function_exists('apc_store') && ini_get('apc.enabled')) || version_compare(phpversion('apc'), '3.0.17', '>='),
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'APC version must be at least 3.0.17',
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'Upgrade your <strong>APC</strong> extension (3.0.17+)'
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);
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$this->addPhpIniRequirement('detect_unicode', false);
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$this->addPhpIniRequirement(
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'suhosin.executor.include.whitelist',
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create_function('$cfgValue', 'return false !== stripos($cfgValue, "phar");'),
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true,
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'suhosin.executor.include.whitelist must be configured correctly in php.ini',
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'Add "<strong>phar</strong>" to <strong>suhosin.executor.include.whitelist</strong> in php.ini<a href="#phpini">*</a>.'
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);
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$pcreVersion = defined('PCRE_VERSION') ? (float) PCRE_VERSION : null;
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$this->addRequirement(
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null !== $pcreVersion && $pcreVersion > 8.0,
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sprintf('PCRE extension must be available and at least 8.0 (%s installed)', $pcreVersion ? $pcreVersion : 'not'),
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'Upgrade your <strong>PCRE</strong> extension (8.0+)'
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);
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/* optional recommendations follow */
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$this->addRecommendation(
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version_compare($installedPhpVersion, '5.3.4', '>='),
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sprintf('Your project might not work properly ("Notice: Trying to get property of non-object") due to the PHP bug #52083 before PHP 5.3.4 (%s installed)', $installedPhpVersion),
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'Install PHP 5.3.4 or newer'
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);
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$this->addRecommendation(
|
|
version_compare($installedPhpVersion, '5.3.8', '>='),
|
|
sprintf('Annotations might not work properly due to the PHP bug #55156 before PHP 5.3.8 (%s installed)', $installedPhpVersion),
|
|
'Install PHP 5.3.8 or newer if your project uses annotations'
|
|
);
|
|
|
|
$this->addRecommendation(
|
|
class_exists('DomDocument'),
|
|
'PHP-XML module should be installed',
|
|
'Install and enable the <strong>PHP-XML</strong> module.'
|
|
);
|
|
|
|
$this->addRecommendation(
|
|
function_exists('mb_strlen'),
|
|
'mb_strlen() should be available',
|
|
'Install and enable the <strong>mbstring</strong> extension.'
|
|
);
|
|
|
|
$this->addRecommendation(
|
|
function_exists('iconv'),
|
|
'iconv() should be available',
|
|
'Install and enable the <strong>iconv</strong> extension.'
|
|
);
|
|
|
|
$this->addRecommendation(
|
|
function_exists('utf8_decode'),
|
|
'utf8_decode() should be available',
|
|
'Install and enable the <strong>XML</strong> extension.'
|
|
);
|
|
|
|
if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
|
|
$this->addRecommendation(
|
|
function_exists('posix_isatty'),
|
|
'posix_isatty() should be available',
|
|
'Install and enable the <strong>php_posix</strong> extension (used to colorize the CLI output).'
|
|
);
|
|
}
|
|
|
|
$this->addRecommendation(
|
|
class_exists('Locale'),
|
|
'intl extension should be available',
|
|
'Install and enable the <strong>intl</strong> extension (used for validators).'
|
|
);
|
|
|
|
if (class_exists('Locale')) {
|
|
if (defined('INTL_ICU_VERSION')) {
|
|
$version = INTL_ICU_VERSION;
|
|
} else {
|
|
$reflector = new ReflectionExtension('intl');
|
|
|
|
ob_start();
|
|
$reflector->info();
|
|
$output = strip_tags(ob_get_clean());
|
|
|
|
preg_match('/^ICU version +(?:=> )?(.*)$/m', $output, $matches);
|
|
$version = $matches[1];
|
|
}
|
|
|
|
$this->addRecommendation(
|
|
version_compare($version, '4.0', '>='),
|
|
'intl ICU version should be at least 4+',
|
|
'Upgrade your <strong>intl</strong> extension with a newer ICU version (4+).'
|
|
);
|
|
}
|
|
|
|
$accelerator =
|
|
(function_exists('apc_store') && ini_get('apc.enabled'))
|
|
||
|
|
function_exists('eaccelerator_put') && ini_get('eaccelerator.enable')
|
|
||
|
|
function_exists('xcache_set')
|
|
;
|
|
|
|
$this->addRecommendation(
|
|
$accelerator,
|
|
'a PHP accelerator should be installed',
|
|
'Install and enable a <strong>PHP accelerator</strong> like APC (highly recommended).'
|
|
);
|
|
|
|
$this->addPhpIniRecommendation('short_open_tag', false);
|
|
|
|
$this->addPhpIniRecommendation('magic_quotes_gpc', false, true);
|
|
|
|
$this->addPhpIniRecommendation('register_globals', false, true);
|
|
|
|
$this->addPhpIniRecommendation('session.auto_start', false);
|
|
|
|
$this->addRecommendation(
|
|
class_exists('PDO'),
|
|
'PDO should be installed',
|
|
'Install <strong>PDO</strong> (mandatory for Doctrine).'
|
|
);
|
|
|
|
if (class_exists('PDO')) {
|
|
$drivers = PDO::getAvailableDrivers();
|
|
$this->addRecommendation(
|
|
count($drivers),
|
|
sprintf('PDO should have some drivers installed (currently available: %s)', count($drivers) ? implode(', ', $drivers) : 'none'),
|
|
'Install <strong>PDO drivers</strong> (mandatory for Doctrine).'
|
|
);
|
|
}
|
|
}
|
|
}
|