"requirements.php" has been added to "bootstrap" application.

apps/bootstrap/protected/requirements.php

+<?php
+/**
+ * Application requirement checker script.
+ *
+ * In order to run this script use the following console command:
+ * php requirements.php
+ *
+ * In order to run this script from the web, you should copy it to the web root.
+ * If you are using Linux you can create a hard link instead, using the following command:
+ * ln requirements.php ../requirements.php
+ */
+
+$appRootPath = dirname(__FILE__);
+if (basename($appRootPath) == 'protected') {
+	$appRootPath = dirname($appRootPath);
+}
+// you may need to adjust this path:
+require_once(realpath($appRootPath.'/../../yii/requirements/YiiRequirementChecker.php'));
+$requirementsChecker = new YiiRequirementChecker();
+
+/**
+ * Adjust requirements according to your application specifics.
+ */
+$requirements = array(
+	// Database :
+	array(
+		'name' => 'PDO extension',
+		'mandatory' => true,
+		'condition' => extension_loaded('pdo'),
+		'by' => 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>',
+	),
+	array(
+		'name' => 'PDO SQLite extension',
+		'mandatory' => false,
+		'condition' => extension_loaded('pdo_sqlite'),
+		'by' => 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>',
+		'memo' => 'Required for SQLite database.',
+	),
+	array(
+		'name' => 'PDO MySQL extension',
+		'mandatory' => false,
+		'condition' => extension_loaded('pdo_mysql'),
+		'by' => 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>',
+		'memo' => 'Required for MySQL database.',
+	),
+	// Cache :
+	array(
+		'name' => 'Memcache extension',
+		'mandatory' => fasle,
+		'condition' => extension_loaded('memcache') || extension_loaded('memcached'),
+		'by' => '<a href="http://www.yiiframework.com/doc/api/CMemCache">CMemCache</a>',
+		'memo' => extension_loaded('memcached') ? 'To use memcached set <a href="http://www.yiiframework.com/doc/api/CMemCache#useMemcached-detail">CMemCache::useMemcached</a> to <code>true</code>.' : ''
+	),
+	array(
+		'name' => 'APC extension',
+		'mandatory' => false,
+		'condition' => extension_loaded('apc') || extension_loaded('apc'),
+		'by' => '<a href="http://www.yiiframework.com/doc/api/CApcCache">CApcCache</a>',
+	),
+	// Additional PHP extensions :
+	array(
+		'name' => 'Mcrypt extension',
+		'mandatory' => false,
+		'condition' => extension_loaded('mcrypt'),
+		'by' => '<a href="http://www.yiiframework.com/doc/api/CSecurityManager">CSecurityManager</a>',
+		'memo' => 'Required by encrypt and decrypt methods.'
+	),
+	// PHP ini :
+	'phpSafeMode' => array(
+		'name' => 'PHP safe mode',
+		'mandatory' => false,
+		'condition' => $requirementsChecker->checkPhpIniOff("safe_mode"),
+		'by' => 'File uploading and console command execution',
+		'memo' => '"safe_mode" should be disabled at php.ini',
+	),
+	'phpExposePhp' => array(
+		'name' => 'Expose PHP',
+		'mandatory' => false,
+		'condition' => $requirementsChecker->checkPhpIniOff("expose_php"),
+		'by' => 'Security reasons',
+		'memo' => '"expose_php" should be disabled at php.ini',
+	),
+	'phpAllowUrlInclude' => array(
+		'name' => 'PHP allow url include',
+		'mandatory' => false,
+		'condition' => $requirementsChecker->checkPhpIniOff("allow_url_include"),
+		'by' => 'Security reasons',
+		'memo' => '"allow_url_include" should be disabled at php.ini',
+	),
+	'phpSmtp' => array(
+		'name' => 'PHP mail SMTP',
+		'mandatory' => false,
+		'condition' => strlen(ini_get('SMTP'))>0,
+		'by' => 'Email sending',
+		'memo' => 'PHP mail SMTP server required',
+	),
+);
+$requirementsChecker->checkYii()->check($requirements)->render();
\ No newline at end of file

yii/requirements/YiiRequirementChecker.php

@@ -17,7 +17,7 @@ if (version_compare(PHP_VERSION, '4.3', '<')) {
  * Example:
  * <code>
  * require_once('path/to/YiiRequirementChecker.php');
- * $requirementsChecker = YiiRequirementChecker();
+ * $requirementsChecker = new YiiRequirementChecker();
  * $requirements = array(
  *     array(
  *         'name' => 'PHP Some Extension',