Created
December 13, 2018 18:16
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wp admin image column
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<?php | |
// column post image | |
function add_thumb_column($cols) { | |
$cols['thumbnail'] = 'Image'; | |
return $cols; | |
} | |
function add_thumb_value($column_name, $post_id) { | |
$width = (int) 120; | |
$height = (int) 120; | |
if ( $column_name == 'thumbnail' ) { | |
// thumbnail | |
$thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true ); | |
// image from gallery | |
$attachments = get_children( array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image') ); | |
if ($thumbnail_id) { | |
$thumb = wp_get_attachment_image( $thumbnail_id, array($width, $height), true ); | |
} elseif ($attachments) { | |
foreach ( $attachments as $attachment_id => $attachment ) { | |
$thumb = wp_get_attachment_image( $attachment_id, array($width, $height), true ); | |
} | |
} | |
if ( isset($thumb) && $thumb ) { | |
echo edit_post_link($thumb); | |
} else { | |
echo '-'; | |
} | |
} | |
} | |
// for posts | |
add_filter( 'manage_posts_columns', 'add_thumb_column' ); | |
add_action( 'manage_posts_custom_column', 'add_thumb_value', 10, 2 ); | |
// for pages | |
add_filter( 'manage_pages_columns', 'add_thumb_column' ); | |
add_action( 'manage_pages_custom_column', 'add_thumb_value', 10, 2 ); |
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