PHP $_FILES中error返回值详解

$_FILES[‘file’][‘error’]值 UPLOAD_ERR_OK: 0 //正常，上传成功 UPLOAD_ERR_INI_SIZE: 1 //上传文件大小超过服务器允许上传的最大值，php.ini中设置upload_max_filesize选项限制的值 UPLOAD_ERR_FORM_SIZE: 2 //上传文件大小超过HTML表单中隐藏域MAX_FILE_SIZE选项指定的值 UPLOAD_ERR_NO_TMP_DIR: 6 //没有找不到临时文件夹 UPLOAD_ERR_CANT_WRITE: 7 //文件写入失败 UPLOAD_ERR_EXTENSION: 8 //php文