Question

我希望得到所有帖子的post_meta值。

对于数据库表wp_postmeta，我想得到key＆＃39; _job_hourly_fee＆＃39;的元值。对于所有帖子，不仅是单个帖子。不知道该怎么做。提前谢谢。

Answer 1

这将为您提供该字段存在的所有值的数组。您可以对其进行调整以提供＆post;标题：_job_hourly_fee值＆＃39;。只需将此代码放入您的主题（或儿童主题的）functions.php中，并将短代码[job_hourly_fee_values]添加到您想要显示结果的帖子或页面HTML内容中。

<?php
function get_fee_values(){
    $jhf_values = array('');//AN EMPTY ARRAY TO STORE THE VALUES GATHERED
    $the_query = new WP_Query( 'post_type=post' );//CHANGE TO CUSTOM POST TYPE IF REQUIRED
    if ( $the_query->have_posts() ) {
        while ( $the_query->have_posts() ) {
            $the_query->the_post();
            $the_answer=get_post_meta($the_query->ID, '_job_hourly_fee' , true);//'TRUE' WILL RETURN ONLY ONE VALUE FOR EACH POST.
            $the_answer=trim($the_answer);//REMOVE UNWANTED WHITESPACE FROM BEGINNING AND END 
            array_push($jhf_values, $the_answer);//ADD THE RESULT TO THE EMPTY ARRAY
        }
    }
    $jhf_values = array_unique($jhf_values);//NOW WEVE GOT ALL THE VALUES, WE CAN REMOVE DUPLICATES
    $jhf_values = sort($jhf_values);//AND WE CAN PUT THEM IN ORDER
    //NOW WE CAN RUN THROUGH THE ARRAY AND DO SOMETHING WITH EACH OBJECT...
    foreach ($jhf_values as $value) { 
    echo "<p>".$value."</p>";
    }
}
?>
<?php
add_shortcode('job_hourly_fee_values', 'get_fee_values');?> //PLACE SHORTCODE [job_hourly_fee_values] IN YOUR POST OR PAGE HTML CONTENT WHERE YOU WANT THE RESULT TO APPEAR
?>

如何获得所有帖子的帖子元键值？

1 个答案: