$type = OrgEnumExamTypeEnum::intFromName($data[$i][6]); //题型

<?php

namespace OrgEnum;

class ExamTypeEnum {

    const DANXUAN = 1;
    const DUOXUAN = 2;
    const PANDUAN = 3;
    const TIANKONG = 4;
    const WENDA = 5;
    const CAILIAO = 6;

    private static $_defines = array(
        self::DANXUAN => '单选题',
        self::DUOXUAN => '多选题',
        self::PANDUAN => '判断题',
        self::TIANKONG => '填空题',
        self::WENDA => '问答题',
        self::CAILIAO => '材料题',
    );

    public function intFromName($name) {
        $value = 0;
        switch ($name) {
            case self::$_defines[self::DANXUAN]:
                $value = self::DANXUAN;
                break;
            case self::$_defines[self::DUOXUAN]:
                $value = self::DUOXUAN;
                break;
            case self::$_defines[self::PANDUAN]:
                $value = self::PANDUAN;
                break;
            case self::$_defines[self::TIANKONG]:
                $value = self::TIANKONG;
                break;
            case self::$_defines[self::WENDA]:                $value = self::WENDA;                break;            case self::$_defines[self::CAILIAO]:                $value = self::CAILIAO;                break;            default:                break;        }        return $value;    }    public static function isEnum($value) {/* {{{ */        if (isset(self::$_defines[$value]))            return true;        return false;    }    /* }}} */    public static function valueOf($value = "", $default = "") {        if (self::isEnum($value))            return $value;        return $default;    }    public static function nameOf($value = "", $default = "") {        if (self::isEnum($value))            return self::$_defines[$value];        return $default;    }}