Gets value for Post Data source.
Parameters
$source_argsarrayrequired- Array containing arguments used to look up the source value.
Example: array( "field" => "foo" ). $block_instanceWP_Blockrequired- The block instance.
Source
function _block_bindings_post_data_get_value( array $source_args, $block_instance ) {
if ( empty( $source_args['field'] ) ) {
// Backward compatibility for when the source argument was called `key` in Gutenberg plugin.
if ( empty( $source_args['key'] ) ) {
return null;
}
$field = $source_args['key'];
} else {
$field = $source_args['field'];
}
/*
* BACKWARDS COMPATIBILITY: Hardcoded exception for navigation blocks.
* Required for WordPress 6.9+ navigation blocks. DO NOT REMOVE.
*/
$block_name = $block_instance->name ?? '';
$is_navigation_block = in_array(
$block_name,
array( 'core/navigation-link', 'core/navigation-submenu' ),
true
);
if ( $is_navigation_block ) {
// Navigation blocks: read from block attributes.
$post_id = $block_instance->attributes['id'] ?? null;
} else {
// All other blocks: use context.
$post_id = $block_instance->context['postId'] ?? null;
}
// If we don't have an entity ID, bail early.
if ( empty( $post_id ) ) {
return null;
}
// If a post isn't public, we need to prevent unauthorized users from accessing the post data.
$post = get_post( $post_id );
if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) {
return null;
}
if ( 'date' === $field ) {
return esc_attr( get_the_date( 'c', $post_id ) );
}
if ( 'modified' === $field ) {
// Only return the modified date if it is later than the publishing date.
if ( get_the_modified_date( 'U', $post_id ) > get_the_date( 'U', $post_id ) ) {
return esc_attr( get_the_modified_date( 'c', $post_id ) );
} else {
return '';
}
}
if ( 'link' === $field ) {
$permalink = get_permalink( $post_id );
return false === $permalink ? null : esc_url( $permalink );
}
}
Changelog
| Version | Description |
|---|---|
| 6.9.0 | Introduced. |
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