问PHP电子邮件发送表单- $_POST发送表单上的下拉列表

EN

<!-- Form Code Start -->
<form id='contactus' action='<?php echo $formproc->GetSelfScript(); ?>' method='post' enctype="multipart/form-data" accept-charset='UTF-8'>
    <fieldset >
        <input type='hidden' name='submitted' id='submitted' value='1'/>
        <input type='hidden' name='<?php echo $formproc->GetFormIDInputName(); ?>' value='<?php echo $formproc->GetFormIDInputValue(); ?>'/>
        <input type='text'  class='spmhidip' name='<?php echo $formproc->GetSpamTrapInputName(); ?>' />
        <div><span class='error'><?php echo $formproc->GetErrorMessage(); ?></span></div>
        <div class='container'>
            Years Active (from and to):<br/>
            <select name='years_active_from'>
                <option value='<?php echo $formproc->SafeDisplay('NULL') ?>'>select</option>
                <option value='<?php echo $formproc->SafeDisplay('from 2013') ?>'>2013</option>
                <option value='<?php echo $formproc->SafeDisplay('from 2012') ?>'>2012</option>
            </select>
            <br/>
            <span id='contactus_name_errorloc' class='error'></span>
        </div>
        <div class='container'>
            <input type='submit' name='Submit' value='Submit' />
        </div>
    </fieldset>
</form>