wp-includes/post-template.php:494Retrieves an array of the class names for the post container element.
$css_classstring|string[]optional''$postint|WP_Postoptionalnullstring[]2 hooks fire while get_post_class() runs, in this order:
Filters the taxonomies to generate classes for each individual term.
Filters the list of CSS class names for the current post.
function get_post_class( $css_class = '', $post = null ) { $post = get_post( $post ); $classes = array(); if ( $css_class ) { if ( ! is_array( $css_class ) ) { $css_class = preg_split( '#\s+#', $css_class ); } $classes = array_map( 'esc_attr', $css_class ); } else { // Ensure that we always coerce class to being an array. $css_class = array(); } if ( ! $post ) { return $classes; } $classes[] = 'post-' . $post->ID; if ( ! is_admin() ) { $classes[] = $post->post_type; } $classes[] = 'type-' . $post->post_type; $classes[] = 'status-' . $post->post_status; // Post Format. if ( post_type_supports( $post->post_type, 'post-formats' ) ) { $post_format = get_post_format( $post->ID ); if ( $post_format && ! is_wp_error( $post_format ) ) { $classes[] = 'format-' . sanitize_html_class( $post_format ); } else { $classes[] = 'format-standard'; } } $post_password_required = post_password_required( $post->ID ); // Post requires password. if ( $post_password_required ) { $classes[] = 'post-password-required'; } elseif ( ! empty( $post->post_password ) ) { $classes[] = 'post-password-protected'; } // Post thumbnails. if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) && ! is_attachment( $post ) && ! $post_password_required ) { $classes[] = 'has-post-thumbnail'; } // Sticky for Sticky Posts. if ( is_sticky( $post->ID ) ) { if ( is_home() && ! is_paged() ) { $classes[] = 'sticky'; } elseif ( is_admin() ) { $classes[] = 'status-sticky'; } } // hentry for hAtom compliance. $classes[] = 'hentry'; // All public taxonomies. $taxonomies = get_taxonomies( array( 'public' => true ) ); /** * Filters the taxonomies to generate classes for each individual term. * * Default is all public taxonomies registered to the post type. * * @since 6.1.0 * * @param string[] $taxonomies List of all taxonomy names to generate classes for. * @param int $post_id The post ID. * @param string[] $classes An array of post class names. * @param string[] $css_class An array of additional class names added to the post. */ $taxonomies = apply_filters( 'post_class_taxonomies', $taxonomies, $post->ID, $classes, $css_class );Introduced in 2.7.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$post retyped from int|WP_Post to int|WP_Post|null.verified against sourcesrc/wp-includes/post-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.