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msd2/tracking/piwik/plugins/Diagnostics/Diagnostic/RequiredPhpSetting.php

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+<?php
+
+namespace Piwik\Plugins\Diagnostics\Diagnostic;
+
+class RequiredPhpSetting
+{
+    
+    /** @var string */
+    private $setting;
+    
+    /** @var array */
+    private $requiredValues;
+    
+    /** @var string */
+    private $errorResult = DiagnosticResult::STATUS_ERROR;
+    
+    /**
+     * @param string $setting
+     * @param int $requiredValue
+     * @param string $operator
+     */
+    public function __construct($setting, $requiredValue, $operator = '=')
+    {
+        $this->setting = $setting;
+        $this->addRequiredValue($requiredValue, $operator);
+    }
+    
+    /**
+     * @param int $requiredValue
+     * @param string $operator
+     *
+     * @return $this
+     */
+    public function addRequiredValue($requiredValue, $operator)
+    {
+        if(!is_int($requiredValue)){
+            throw new \InvalidArgumentException('Required value must be an integer.');
+        }
+        
+        $this->requiredValues[] = array(
+            'requiredValue' => $requiredValue,
+            'operator' => $operator,
+            'isValid' => null,
+        );
+        
+        return $this;
+    }
+    
+    /**
+     * @param $errorResult
+     *
+     * @return $this
+     */
+    public function setErrorResult($errorResult)
+    {
+        if ($errorResult !== DiagnosticResult::STATUS_WARNING && $errorResult !== DiagnosticResult::STATUS_ERROR) {
+            throw new \InvalidArgumentException('Error result must be either DiagnosticResult::STATUS_WARNING or DiagnosticResult::STATUS_ERROR.');
+        }
+        
+        $this->errorResult = $errorResult;
+        
+        return $this;
+    }
+    
+    /**
+     * @return string
+     */
+    public function getErrorResult()
+    {
+        return $this->errorResult;
+    }
+    
+    /**
+     * Checks required values against php.ini value.
+     *
+     * @return bool
+     */
+    public function check()
+    {
+        $currentValue = (int) ini_get($this->setting);
+        
+        $return = false;
+        foreach($this->requiredValues as $key => $requiredValue){
+            $this->requiredValues[$key]['isValid'] = version_compare($currentValue, $requiredValue['requiredValue'], $requiredValue['operator']);
+            
+            if($this->requiredValues[$key]['isValid']){
+                $return = true;
+            }
+        }
+        
+        return $return;
+    }
+    
+    public function __toString()
+    {
+        $checks = array();
+        foreach($this->requiredValues as $requiredValue){
+            $checks[] = $requiredValue['operator'] . ' ' . $requiredValue['requiredValue'];
+        }
+        
+        return $this->setting . ' ' . implode(' OR ', $checks);
+    }
+    
+}