WordPress從function.php載入自定義欄位
問題描述：
I\'m new in wordpress. I\'m trying load custom field of post from function.php. Below is code for function post grid layout function where I use custom field:
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$args = array( \'post_type\' => \'post\', \'category_name\' => \'category\', \'posts_per_page\' => -1, \'orderby\' => \'ID\', \'order\' => \'ASC\' ); // The Query $the_query = new WP_Query( $args ); // The Loop if ( $the_query->have_posts() ) { $c = 1; $bpr = 5; while ( $the_query->have_posts() ) : $the_query->the_post(); ?> <div class=\"member\"> <div class=\"div-block-image\"> <?php the_post_thumbnail(); ?> </div> <div class=\"div-block-29 w-clearfix\"> <div class=\"text-block-21\"><?php the_title(); ?></div> <div class=\"text-block-22\">subTitle</div> <div class=\"text-block-23\">Text...</div> <a href=\"<?php the_permalink() ?>\" class=\"more w-inline-block\"> <div class=\"text-block-24\">More</div> </a> <p><?php echo get_post_meta($post->ID, \'linkedin\', true); ?></p> // custom-field <p><?php echo get_post_meta($post->ID, \'bio\', true); ?></p> <a href=\"#\" target=\"_blank\" class=\"link-block w-inline-block\"> <div class=\"biotxt\">bio</div> </a> <a href=\"#\" target=\"_blank\" class=\"link-block w-inline-block\"> <div class=\"text-block-20\"></div> </a> </div> </div> <? if( $c == $bpr ) { echo \'<div class=\"clear\"></div>\'; $c = 0; } $c++; endwhile; } else { _e( \'<h2>Oops!</h2>\', \'rys\' ); _e( \'<p>Sorry, seems there are no post at the moment.</p>\', \'rys\' ); } wp_reset_postdata(); |
I want to load this function from template page. All is loading normally except custom field:
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<p><?php echo get_post_meta($post->ID, \'linkedin\', true); ?></p> |
If run function code from template page its running normal. Any ideas?
網友觀點：
$post->ID is not correct, as it\'s picking up the ID from the global $post object, which just happens to be the same when you\'re on the template page, but not necessarily when you\'re using it in a function in functions.php. Use get_the_ID() instead.
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Within your custom loop, you will want to update those to use: get_the_ID() and not $post->ID.
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<p><?php echo get_post_meta(get_the_ID(), \'linkedin\', true); ?></p> |
This will get the ID from the current loop.
Ref: https://developer.wordpress.org/reference/functions/get_the_id/
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