php获取知乎每日60秒接口数据

<?php 
echo zhihu60();
function zhihu60() {
    $date = file_get_contents('https://www.zhihu.com/api/v4/columns/c_1261258401923026944/items');
    $date = json_decode($date);
    $content = $date->data[0]->content;
    $content = preg_replace('/(<a.*?>[sS]*?<\/a>)/', '', $content);
    $content = strip_tags($content, '<p>');
    return $content;
};
?>