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_wp_preview_post_thumbnail_filter is private and should not be used in themes or plugins directly.
_wp_preview_post_thumbnail_filter › WordPress Function
Depuis4.6.0
Dépréciéen/a
› _wp_preview_post_thumbnail_filter ( $value, $post_id, $meta_key )
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Paramètres: (3) |
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Retourne: |
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Défini(e) dans: |
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Filters post thumbnail lookup to set the post thumbnail.
Fonctions en relation: _wp_preview_meta_filter, _wp_preview_terms_filter, _wp_post_thumbnail_html, set_post_thumbnail_size, preview_theme_ob_filter
Source
function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) { $post = get_post(); if ( ! $post ) { return $value; } if ( empty( $_REQUEST['_thumbnail_id'] ) || empty( $_REQUEST['preview_id'] ) || $post->ID !== $post_id || $post_id !== (int) $_REQUEST['preview_id'] || '_thumbnail_id' !== $meta_key || 'revision' === $post->post_type ) { return $value; } $thumbnail_id = (int) $_REQUEST['_thumbnail_id']; if ( $thumbnail_id <= 0 ) { return ''; } return (string) $thumbnail_id; }