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WordPress默认会把文章里的youku链接转入数据库_wp_youku储存，我想查询当前文章ID对应的youku链接，但实际操作只会在前台显示 Array ，请问要怎么写呢？谢谢。
<?php $youku_result = $wpdb->get_results("SELECT meta_value FROM $wpdb->postmeta WHERE post_id = '$post->ID' and meta_key = '_wp_youku'"); echo "{$youku_result}"; ?>
<?php $youku_result = $wpdb->get_results("SELECT meta_value FROM $wpdb->postmeta WHERE post_id = '$post->ID' and meta_key = '_wp_youku'"); echo "{$youku_result}"; ?>
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YAFEIML Oct 14, 2014
get_post_meta($post->ID, '_wp_youku', true)
话说没试过自定义字段是不是支持_开头 |
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