[英]How to populate Listbox / dropdown box /select box from PHP array
我需要编写一个自定义数组或JSON来填充Listbox /下拉框/选择框并添加一个selected="selected"
属性。
例如:
<select id="test1" name="selectB" class="Field">
<option value="NO" selected="selected">No (Recommended)</option>
<option value="YES">Yes</option>
</select>
我无法弄清楚如何做到这一点。
<?php
$array = array(
array("value"=>"NO","label"=>"No (Recommended)","selected"=>true),
array("value"=>"YES","label"=>"Yes","selected"=>false),
);
?>
<select>
<?php foreach($array as $option) { ?>
<option value="<?php echo $option['value'] ?>" <?php if($option['selected']){ ?>selected="selected"<?php }?>>
<?php echo $option['label'] ?>
</option>
<?php }?>
</select>
相当于json的数组是:
[{"value":"1","label":"No (Recommended)","selected":true},{"value":"2","label":"Yes","selected":false}]
这是json_enconde($array);
的输出json_enconde($array);
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