function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2, $modSettings;
// Without GD, no image resizing at all.
if (!checkGD()) {
return false;
}
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
}
public function check_requirements()
{
function t($category, $message, $params = array())
{
return $message;
}
function checkProtectedDirectory()
{
$testfile = Yii::app()->getRequest()->getHostInfo() . Yii::app()->getBaseUrl() . '/protected/data/daemon/schema.mysql.sql';
$f = @file_get_contents($testfile);
if (strlen($f)) {
return 'The "protected" directory of your front end must not be accessible through the webserver, please see:<br/><a href="http://multicraft.org/site/page?view=troubleshooting#protected_accessible" target="_blank">Troubleshooting: "protected" directory</a>';
}
return '';
}
//BEGIN YII REQUIREMENTS CHECK SCRIPT
/**
* Yii Requirement Checker script
*
* This script will check if your system meets the requirements for running
* Yii-powered Web applications.
*
* @author Qiang Xue <*****@*****.**>
* @link http://www.yiiframework.com/
* @copyright Copyright © 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
* @version $Id: index.php 2986 2011-02-20 17:08:50Z alexander.makarow $
* @package system
* @since 1.0
*/
function checkServerVar()
{
$vars = array('HTTP_HOST', 'SERVER_NAME', 'SERVER_PORT', 'SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF', 'HTTP_ACCEPT', 'HTTP_USER_AGENT');
$missing = array();
foreach ($vars as $var) {
if (!isset($_SERVER[$var])) {
$missing[] = $var;
}
}
if (!empty($missing)) {
return t('yii', '$_SERVER does not have {vars}.', array('{vars}' => implode(', ', $missing)));
}
if (realpath($_SERVER["SCRIPT_FILENAME"]) !== realpath(dirname(__FILE__) . '/../../install.php')) {
return t('yii', '$_SERVER["SCRIPT_FILENAME"] must be the same as the entry script file path.');
}
if (!isset($_SERVER["REQUEST_URI"]) && isset($_SERVER["QUERY_STRING"])) {
return t('yii', 'Either $_SERVER["REQUEST_URI"] or $_SERVER["QUERY_STRING"] must exist.');
}
if (!isset($_SERVER["PATH_INFO"]) && strpos($_SERVER["PHP_SELF"], $_SERVER["SCRIPT_NAME"]) !== 0) {
return t('yii', 'Unable to determine URL path info. Please make sure $_SERVER["PATH_INFO"] (or $_SERVER["PHP_SELF"] and $_SERVER["SCRIPT_NAME"]) contains proper value.');
}
return '';
}
function checkGD()
{
if (extension_loaded('gd')) {
$gdinfo = gd_info();
if ($gdinfo['FreeType Support']) {
return '';
}
return t('yii', 'GD installed<br />FreeType support not installed');
}
return t('yii', 'GD not installed');
}
/**
* @var array List of requirements (name, required or not, result, used by, memo)
*/
$requirements = array(array(t('yii', 'PHP version'), true, version_compare(PHP_VERSION, "5.1.0", ">="), '<a href="http://www.yiiframework.com">Yii Framework</a>', t('yii', 'PHP 5.1.0 or higher is required.')), array(t('yii', '$_SERVER variable'), true, ($message = checkServerVar()) === '', '<a href="http://www.yiiframework.com">Yii Framework</a>', $message), array(t('yii', 'Reflection extension'), true, class_exists('Reflection', false), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'PCRE extension'), true, extension_loaded("pcre"), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'SPL extension'), true, extension_loaded("SPL"), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'Protected directory'), true, ($message = checkProtectedDirectory()) === '', 'System Security', $message), array(t('yii', 'PDO extension'), true, extension_loaded('pdo'), t('mc', 'All database connections'), t('mc', 'The PHP PDO extension is always required.')), array(t('yii', 'PDO SQLite extension'), false, extension_loaded('pdo_sqlite'), t('yii', 'SQLite Database connection'), t('yii', 'This is required if you are using an SQLite database.')), array(t('yii', 'PDO MySQL extension'), false, extension_loaded('pdo_mysql'), t('yii', 'MySQL database connection'), t('yii', 'This is required if you are using a MySQL database.')), array(t('yii', 'GD extension with<br />FreeType support'), false, ($message = checkGD()) === '', t('mc', 'Multicraft status banner and registration captcha'), t('mc', 'Only required if you want to use the status banners or registration captcha.') . ' ' . $message));
$result = 1;
// 1: all pass, 0: fail, -1: pass with warnings
foreach ($requirements as $i => $requirement) {
if ($requirement[1] && !$requirement[2]) {
$result = 0;
} else {
if ($result > 0 && !$requirement[1] && !$requirement[2]) {
$result = -1;
}
}
if ($requirement[4] === '') {
$requirements[$i][4] = ' ';
}
}
//END YII REQUIREMENTS CHECK SCRIPT
if ($result > 0) {
$this->p['actions'][] = 'All requirements met';
} else {
if ($result < 0) {
$this->p['actions'][] = 'Minimum requirements met, some functionality may be unavailable';
} else {
$this->p['actions'][] = 'Minumum requirements not met';
}
}
$this->p['requirements'] = $requirements;
$this->p['result'] = $result;
return true;
}
/**
* Resizes an image proportionally to fit within the defined max_width and max_height limits
*
* - Will do nothing to the image if the file fits within the size limits
* - If Image Magick is present it will use those function over any GD solutions
* - If GD2 is present, it'll use it to achieve better quality (imagecopyresampled)
* - Saves the new image to destination_filename, in the preferred_format
* if possible, default is jpeg.
*
* @uses GD
* @uses Imagick
*
* @package Graphics
* @param resource|null $src_img null for Imagick images, resource form imagecreatefrom for GD
* @param string $destName
* @param int $src_width
* @param int $src_height
* @param int $max_width
* @param int $max_height
* @param bool $force_resize = false
* @param int $preferred_format = 0
*/
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2;
if (checkImagick()) {
// These are the file formats we know about
static $default_formats = array('1' => 'gif', '2' => 'jpeg', '3' => 'png', '6' => 'bmp', '15' => 'wbmp');
$preferred_format = empty($preferred_format) || !isset($default_formats[$preferred_format]) ? 2 : $preferred_format;
// Since Imagick can throw exceptions, lets catch them
try {
// Get a new instance of Imagick for use
$imagick = new Imagick($destName);
// Set the input and output image size
$src_width = empty($src_width) ? $imagick->getImageWidth() : $src_width;
$src_height = empty($src_height) ? $imagick->getImageHeight() : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
// Create a new image in our prefered format and resize it if needed
$imagick->setImageFormat($default_formats[$preferred_format]);
$imagick->resizeImage($dest_width, $dest_height, Imagick::FILTER_LANCZOS, 1, true);
// Save the new image in the destination location
$success = $imagick->writeImage($destName);
// Free resources associated with the Imagick object
$imagick->destroy();
} catch (Exception $e) {
// Not currently used, but here is the error
$success = $e->getMessage();
$success = false;
}
return !empty($success);
} elseif (checkGD()) {
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName, 80);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
} else {
return false;
}
}
*
* This script will check if your system meets the requirements for running
* Yii-powered Web applications.
*
* @author Qiang Xue <*****@*****.**>
* @link http://www.yiiframework.com/
* @copyright Copyright © 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
* @version $Id$
* @package system
* @since 1.0
*/
/**
* @var array List of requirements (name, required or not, result, used by, memo)
*/
$requirements = array(array(t('yii', 'PHP version'), true, version_compare(PHP_VERSION, "5.1.0", ">="), '<a href="http://www.yiiframework.com">Yii Framework</a>', t('yii', 'PHP 5.1.0 or higher is required.')), array(t('yii', '$_SERVER variable'), true, ($message = checkServerVar()) === '', '<a href="http://www.yiiframework.com">Yii Framework</a>', $message), array(t('yii', 'Reflection extension'), true, class_exists('Reflection', false), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'PCRE extension'), true, extension_loaded("pcre"), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'SPL extension'), true, extension_loaded("SPL"), '<a href="http://www.yiiframework.com">Yii Framework</a>', ''), array(t('yii', 'DOM extension'), false, class_exists("DOMDocument", false), '<a href="http://www.yiiframework.com/doc/api/CHtmlPurifier">CHtmlPurifier</a>, <a href="http://www.yiiframework.com/doc/api/CWsdlGenerator">CWsdlGenerator</a>', ''), array(t('yii', 'PDO extension'), false, extension_loaded('pdo'), t('yii', 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'), ''), array(t('yii', 'PDO SQLite extension'), false, extension_loaded('pdo_sqlite'), t('yii', 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'), t('yii', 'This is required if you are using SQLite database.')), array(t('yii', 'PDO MySQL extension'), false, extension_loaded('pdo_mysql'), t('yii', 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'), t('yii', 'This is required if you are using MySQL database.')), array(t('yii', 'PDO PostgreSQL extension'), false, extension_loaded('pdo_pgsql'), t('yii', 'All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'), t('yii', 'This is required if you are using PostgreSQL database.')), array(t('yii', 'Memcache extension'), false, extension_loaded("memcache") || extension_loaded("memcached"), '<a href="http://www.yiiframework.com/doc/api/CMemCache">CMemCache</a>', extension_loaded("memcached") ? t('yii', 'To use memcached set <a href="http://www.yiiframework.com/doc/api/CMemCache#useMemcached-detail">CMemCache::useMemcached</a> to <code>true</code>.') : ''), array(t('yii', 'APC extension'), false, extension_loaded("apc"), '<a href="http://www.yiiframework.com/doc/api/CApcCache">CApcCache</a>', ''), array(t('yii', 'Mcrypt extension'), false, extension_loaded("mcrypt"), '<a href="http://www.yiiframework.com/doc/api/CSecurityManager">CSecurityManager</a>', t('yii', 'This is required by encrypt and decrypt methods.')), array(t('yii', 'SOAP extension'), false, extension_loaded("soap"), '<a href="http://www.yiiframework.com/doc/api/CWebService">CWebService</a>, <a href="http://www.yiiframework.com/doc/api/CWebServiceAction">CWebServiceAction</a>', ''), array(t('yii', 'GD extension with<br />FreeType support'), false, ($message = checkGD()) === '', '<a href="http://www.yiiframework.com/doc/api/CCaptchaAction">CCaptchaAction</a>', $message), array(t('yii', 'Ctype extension'), false, extension_loaded("ctype"), '<a href="http://www.yiiframework.com/doc/api/CDateFormatter">CDateFormatter</a>, <a href="http://www.yiiframework.com/doc/api/CDateFormatter">CDateTimeParser</a>, <a href="http://www.yiiframework.com/doc/api/CTextHighlighter">CTextHighlighter</a>, <a href="http://www.yiiframework.com/doc/api/CHtmlPurifier">CHtmlPurifier</a>', ''));
function checkServerVar()
{
$vars = array('HTTP_HOST', 'SERVER_NAME', 'SERVER_PORT', 'SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF', 'HTTP_ACCEPT', 'HTTP_USER_AGENT');
$missing = array();
foreach ($vars as $var) {
if (!isset($_SERVER[$var])) {
$missing[] = $var;
}
}
if (!empty($missing)) {
return t('yii', '$_SERVER does not have {vars}.', array('{vars}' => implode(', ', $missing)));
}
if (realpath($_SERVER["SCRIPT_FILENAME"]) !== realpath(__FILE__)) {
return t('yii', '$_SERVER["SCRIPT_FILENAME"] must be the same as the entry script file path.');
}
/**
* Resizes src_img proportionally to fit within max_width and max_height limits
* if it is too large.
* If GD2 is present, it'll use it to achieve better quality.
* It saves the new image to destination_filename, as preferred_format
* if possible, default is jpeg.
* @uses GD
*
* @param resource $src_img
* @param string $destName
* @param int $src_width
* @param int $src_height
* @param int $max_width
* @param int $max_height
* @param bool $force_resize = false
* @param int $preferred_format = 0
*/
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2, $modSettings;
if (checkImagick()) {
static $default_formats = array('1' => 'gif', '2' => 'jpeg', '3' => 'png', '6' => 'bmp', '15' => 'wbmp');
$preferred_format = empty($preferred_format) || !isset($default_formats[$preferred_format]) ? 2 : $preferred_format;
$imagick = new Imagick($destName);
$src_width = empty($src_width) ? $imagick->getImageWidth() : $src_width;
$src_height = empty($src_height) ? $imagick->getImageHeight() : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
$imagick->setImageFormat($default_formats[$preferred_format]);
$imagick->resizeImage($dest_width, $dest_height, Imagick::FILTER_LANCZOS, 1, true);
$success = $imagick->writeImage($destName);
return !empty($success);
} elseif (checkGD()) {
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
} else {
// Without GD, no image resizing at all.
return false;
}
}
<?php
$requirements = array(array('PHP版本', true, version_compare(PHP_VERSION, "5.2.1", ">="), 'PHP 5.2.1或更高版本是必须的。'), array('$_SERVER变量', true, ($message = checkServerVar()) === '', $message), array('Reflection扩展模块', true, class_exists('Reflection', false), ''), array('PCRE扩展模块', true, extension_loaded("pcre"), ''), array('SPL扩展模块', true, extension_loaded("SPL"), ''), array('DOM扩展模块', false, class_exists("DOMDocument", false), ''), array('PDO扩展模块', false, extension_loaded('pdo'), '要使用数据库，此模块是必须'), array('PDO MySQL扩展模块', false, extension_loaded('pdo_mysql'), '如果使用MySQL数据库，这是必须的。'), array('Memcache扩展模块', false, extension_loaded("memcache") || extension_loaded("memcached"), '如果要使用memcached缓存服务器，需要此模块'), array('Mcrypt扩展模块', false, extension_loaded("mcrypt"), '如果用到加密解密功能，会需要此模块'), array('GD extension with<br />FreeType support', false, ($message = checkGD()) === '', $message === '' ? '验证码及图表功能会用到GD模块' : $message), array('Ctype extension', false, extension_loaded("ctype"), ''));
function checkServerVar()
{
$vars = array('HTTP_HOST', 'SERVER_NAME', 'SERVER_PORT', 'SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF', 'HTTP_ACCEPT', 'HTTP_USER_AGENT');
$missing = array();
foreach ($vars as $var) {
if (!isset($_SERVER[$var])) {
$missing[] = $var;
}
}
if (!empty($missing)) {
return '$_SERVER does not have .' . array('{vars}' => implode(', ', $missing));
}
// if(realpath($_SERVER["SCRIPT_FILENAME"]) !== realpath(__FILE__))
// return '$_SERVER["SCRIPT_FILENAME"] must be the same as the entry script file path.';
if (!isset($_SERVER["REQUEST_URI"]) && isset($_SERVER["QUERY_STRING"])) {
return 'Either $_SERVER["REQUEST_URI"] or $_SERVER["QUERY_STRING"] must exist.';
}
if (!isset($_SERVER["PATH_INFO"]) && strpos($_SERVER["PHP_SELF"], $_SERVER["SCRIPT_NAME"]) !== 0) {
return 'Unable to determine URL path info. Please make sure $_SERVER["PATH_INFO"] (or $_SERVER["PHP_SELF"] and $_SERVER["SCRIPT_NAME"]) contains proper value.';
}
return '';
}
function checkGD()
{
if (extension_loaded('gd')) {
$gdinfo = gd_info();
if ($gdinfo['FreeType Support']) {
return '';
