Code hiển thị tỷ giá vàng SJC

function getContentBycURL($url)
{
	$curl = curl_init($url);
	curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_POST, true);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

	$headers = array(
	   "Accept: application/json",
	   "Content-Type: application/json",
	   "Content-Length: 0",
	);
	curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
	//for debug only!
	curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

	$resp = curl_exec($curl);
	curl_close($curl);
	return $resp;
}
function tygiavang_sjc() {	
    $data1 = getContentBycURL('https://www.sjc.com.vn/xml/tygiavang.xml');
    $data = new SimpleXMLElement($data1);
    ob_start();    
?>
    <table border="1">
        <tr bgcolor="yellow">
            <td>Thành phố</td>
            <td>Loại</td>
            <td>Bán ra</td>
            <td>Mua vào</td>

        </tr>
    <?php
    foreach($data->ratelist->city as $item){
    ?>
        <tr>
            <td <?php if(count($item->item)>1){?>rowspan="<?php echo count($item->item)?>" <?php }?>><?php echo (string)$item['name']?></td>
            <?php 
            $first=reset($item->item);
            next($item);
            ?>
            <td><?php echo (string)$first['type']?></td>
            <td><?php echo (string)$first['sell']?></td>
            <td><?php echo (string)$first['buy']?></td>
        </tr>
        <?php
        if(count($item->item)>1){
            $isFirst = true;
            foreach($item->item as $t){
                if ($isFirst) {
                $isFirst = false;
                continue;
            }   
        ?>
            <tr>
                <td><?php echo (string)$t['type']?></td>
                <td><?php echo (string)$t['sell']?></td>
                <td><?php echo (string)$t['buy']?></td>
            </tr>
        <?php
            }
        }
        ?>
    <?php
    }
    ?>
    </table>
<?php 
        $tygia_sjc = ob_get_contents();
        ob_end_clean();
        return $tygia_sjc;		
}
add_shortcode('tygiavang_sjc','tygiavang_sjc');

add_filter( 'widget_text', 'do_shortcode' );