我做了一个简单的表单（html / php），将图像（.jpg）上传到数据库。表格字段的类型为longblob。仅加载最大1MB的图像。我需要上传至少2MB的图片。我已经更改了php.ini文件，如下所示：
upload_max_filesize = 64M
post_max_size = 128M
memory_limit = 256M
max_execution_time = 120
即使这样做，也没有改变。
返回1个错误和2条警告。
错误：
INSERT INTO `car` (`reg`, `id`, `name`, `img`) VALUES (NULL, NULL, NULL, 0xffd8ffe000104a46494600010101012c012c0000ffee000e41646f626500640000000000ffe110dc4578696600004d4d002a000000080004013b0002000000060000084a8769000400000001000008509c9d00010000000c000010c8ea1c00070000080c0000003e000000001cea00000008000[...]
MySQL said: Documentation
#2006 - MySQL server has gone away
警告1：
Warning in .\libraries\classes\Dbi\DbiMysqli.php#213
mysqli_query(): MySQL server has gone away
Backtrace
.\libraries\classes\Dbi\DbiMysqli.php#213: mysqli_query(
,
string 'INSERT INTO `car` (`reg`, `id`, `name`, `img`) VALUES (NULL, NULL, NULL,
警告2：
Warning in .\libraries\classes\Dbi\DbiMysqli.php#213
mysqli_query(): Error reading result set's header
Backtrace
.\libraries\classes\Dbi\DbiMysqli.php#213: mysqli_query(
,
string 'INSERT INTO `car` (`reg`, `id`, `name`, `img`) VALUES (NULL, NULL, NULL,