public function strImage($str)
{
// 建立一幅 100X30 的图像
$im = imagecreate(55, 30);
// 白色背景和蓝色文本 D6BB86
//$bg = imagecolorallocate($im, 0xd6, 0xbb, 0x86);
$bg = imagecolorallocate($im, 0xff, 0xff, 0xff);
$textcolor = imagecolorallocate($im, 0, 0, 0);
// 把字符串写在图像左上角
imagestring($im, 5, 5, 5, $str, $textcolor);
// 输出图像
mPHP::header('Content-Type', 'image/png');
imagepng($im);
}
public function cache($file, $cacheTime)
{
$this->is_cache = true;
$time = $_SERVER['REQUEST_TIME'];
$createTime = file_exists($file) ? filemtime($file) : 0;
if ($createTime + $cacheTime >= $time && !mPHP::$debug) {
$createTime = date("D, d M Y H:i:s", $createTime);
mPHP::header('Cache-Control', 'max-age=0');
mPHP::header('Last-Modified', $createTime);
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $_SERVER['HTTP_IF_MODIFIED_SINCE'] == $createTime) {
mPHP::status(304);
} else {
include $file;
}
mPHP::_exit();
return true;
}
return false;
}
