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- <?php
-
-
- if (version_compare(PHP_VERSION, '4.3', '<')) {
- echo 'At least PHP 4.3 is required to run this script!';
- exit(1);
- }
-
-
- class YiiRequirementChecker
- {
-
-
- function check($requirements)
- {
- if (is_string($requirements)) {
- $requirements = require($requirements);
- }
- if (!is_array($requirements)) {
- $this->usageError('Requirements must be an array, "' . gettype($requirements) . '" has been given!');
- }
- if (!isset($this->result) || !is_array($this->result)) {
- $this->result = array(
- 'summary' => array(
- 'total' => 0,
- 'errors' => 0,
- 'warnings' => 0,
- ),
- 'requirements' => array(),
- );
- }
- foreach ($requirements as $key => $rawRequirement) {
- $requirement = $this->normalizeRequirement($rawRequirement, $key);
- $this->result['summary']['total']++;
- if (!$requirement['condition']) {
- if ($requirement['mandatory']) {
- $requirement['error'] = true;
- $requirement['warning'] = true;
- $this->result['summary']['errors']++;
- } else {
- $requirement['error'] = false;
- $requirement['warning'] = true;
- $this->result['summary']['warnings']++;
- }
- } else {
- $requirement['error'] = false;
- $requirement['warning'] = false;
- }
- $this->result['requirements'][] = $requirement;
- }
-
- return $this;
- }
-
-
-
- function checkYii()
- {
- return $this->check(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'requirements.php');
- }
-
-
-
- function getResult()
- {
- if (isset($this->result)) {
- return $this->result;
- } else {
- return null;
- }
- }
-
-
-
- function render()
- {
- if (!isset($this->result)) {
- $this->usageError('Nothing to render!');
- }
- $baseViewFilePath = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'views';
- if (!empty($_SERVER['argv'])) {
- $viewFileName = $baseViewFilePath . DIRECTORY_SEPARATOR . 'console' . DIRECTORY_SEPARATOR . 'index.php';
- } else {
- $viewFileName = $baseViewFilePath . DIRECTORY_SEPARATOR . 'web' . DIRECTORY_SEPARATOR . 'index.php';
- }
- $this->renderViewFile($viewFileName, $this->result);
- }
-
-
-
- function checkPhpExtensionVersion($extensionName, $version, $compare = '>=')
- {
- if (!extension_loaded($extensionName)) {
- return false;
- }
- $extensionVersion = phpversion($extensionName);
- if (empty($extensionVersion)) {
- return false;
- }
- if (strncasecmp($extensionVersion, 'PECL-', 5) === 0) {
- $extensionVersion = substr($extensionVersion, 5);
- }
-
- return version_compare($extensionVersion, $version, $compare);
- }
-
-
-
- function checkPhpIniOn($name)
- {
- $value = ini_get($name);
- if (empty($value)) {
- return false;
- }
-
- return ((int) $value === 1 || strtolower($value) === 'on');
- }
-
-
-
- function checkPhpIniOff($name)
- {
- $value = ini_get($name);
- if (empty($value)) {
- return true;
- }
-
- return (strtolower($value) === 'off');
- }
-
-
-
- function compareByteSize($a, $b, $compare = '>=')
- {
- $compareExpression = '(' . $this->getByteSize($a) . $compare . $this->getByteSize($b) . ')';
-
- return $this->evaluateExpression($compareExpression);
- }
-
-
-
- function getByteSize($verboseSize)
- {
- if (empty($verboseSize)) {
- return 0;
- }
- if (is_numeric($verboseSize)) {
- return (int) $verboseSize;
- }
- $sizeUnit = trim($verboseSize, '0123456789');
- $size = str_replace($sizeUnit, '', $verboseSize);
- $size = trim($size);
- if (!is_numeric($size)) {
- return 0;
- }
- switch (strtolower($sizeUnit)) {
- case 'kb':
- case 'k':
- return $size * 1024;
- case 'mb':
- case 'm':
- return $size * 1024 * 1024;
- case 'gb':
- case 'g':
- return $size * 1024 * 1024 * 1024;
- default:
- return 0;
- }
- }
-
-
-
- function checkUploadMaxFileSize($min = null, $max = null)
- {
- $postMaxSize = ini_get('post_max_size');
- $uploadMaxFileSize = ini_get('upload_max_filesize');
- if ($min !== null) {
- $minCheckResult = $this->compareByteSize($postMaxSize, $min, '>=') && $this->compareByteSize($uploadMaxFileSize, $min, '>=');
- } else {
- $minCheckResult = true;
- }
- if ($max !== null) {
- $maxCheckResult = $this->compareByteSize($postMaxSize, $max, '<=') && $this->compareByteSize($uploadMaxFileSize, $max, '<=');
- } else {
- $maxCheckResult = true;
- }
-
- return ($minCheckResult && $maxCheckResult);
- }
-
-
-
- function renderViewFile($_viewFile_, $_data_ = null, $_return_ = false)
- {
-
- if (is_array($_data_)) {
- extract($_data_, EXTR_PREFIX_SAME, 'data');
- } else {
- $data = $_data_;
- }
- if ($_return_) {
- ob_start();
- ob_implicit_flush(false);
- require($_viewFile_);
-
- return ob_get_clean();
- } else {
- require($_viewFile_);
- }
- }
-
-
-
- function normalizeRequirement($requirement, $requirementKey = 0)
- {
- if (!is_array($requirement)) {
- $this->usageError('Requirement must be an array!');
- }
- if (!array_key_exists('condition', $requirement)) {
- $this->usageError("Requirement '{$requirementKey}' has no condition!");
- } else {
- $evalPrefix = 'eval:';
- if (is_string($requirement['condition']) && strpos($requirement['condition'], $evalPrefix) === 0) {
- $expression = substr($requirement['condition'], strlen($evalPrefix));
- $requirement['condition'] = $this->evaluateExpression($expression);
- }
- }
- if (!array_key_exists('name', $requirement)) {
- $requirement['name'] = is_numeric($requirementKey) ? 'Requirement #' . $requirementKey : $requirementKey;
- }
- if (!array_key_exists('mandatory', $requirement)) {
- if (array_key_exists('required', $requirement)) {
- $requirement['mandatory'] = $requirement['required'];
- } else {
- $requirement['mandatory'] = false;
- }
- }
- if (!array_key_exists('by', $requirement)) {
- $requirement['by'] = 'Unknown';
- }
- if (!array_key_exists('memo', $requirement)) {
- $requirement['memo'] = '';
- }
-
- return $requirement;
- }
-
-
-
- function usageError($message)
- {
- echo "Error: $message\n\n";
- exit(1);
- }
-
-
-
- function evaluateExpression($expression)
- {
- return eval('return ' . $expression . ';');
- }
-
-
-
- function getServerInfo()
- {
- return isset($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : '';;
- }
-
-
-
- function getNowDate()
- {
- return @strftime('%Y-%m-%d %H:%M', time());;
- }
- }
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