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$html=<<<HTML
<BR><BR>
<FORM METHOD=POST ACTION="b.php">
<select id="88" name="room[{$rid}]" style="width:35px;">
<option value="0">0</option>
<option value="1" selected>1</option>
</select><BR>
<select id="99" name="room[{$rid}]" style="width:35px;">
<option value="3" selected>3</option>
<option value="4">4</option>
</select>
<INPUT TYPE="submit" value='提交'>
</FORM>
HTML;
<BR><BR>
<FORM METHOD=POST ACTION="b.php">
<select id="88" name="room880" style="width:35px;">
<option value="0">0</option>
<option value="1" selected>1</option>
</select><BR>
<select id="99" name="room120" style="width:35px;">
<option value="3" selected>3</option>
<option value="4">4</option>
</select>
<INPUT TYPE="submit" value='提交'>
</FORM>
if (isset($_POST)) {
foreach($_POST as $k => $v) {
echo "<BR>".$k."=".$v;
}
}
<BR><BR>
<FORM METHOD=POST ACTION="b.php">
<select id="88" name="room[]" style="width:35px;">
<option value="0">0</option>
<option value="1" selected>1</option>
</select><BR>
<select id="99" name="room[]" style="width:35px;">
<option value="3" selected>3</option>
<option value="4">4</option>
</select>
<INPUT TYPE="submit" value='提交'>
</FORM>
<?php
$room = $_POST['room'];//这是个数组
foreach($room as $newstr){
echo "<br>".$newstr;
}
?>
$_POST['room88'] = 3;
$_POST['room89'] = 1;
if (isset($_POST)) {
$ar = array();
foreach($_POST as $k => $v) {
if (substr($k,0,4) == 'room') {
$ar[substr($k,4)] = $v;
}
}
print_r($ar); //$ar数组的索引号为房间号(整数),值为数据(预定房间数)
}