Blocks: Parse blocks when displaying posts.

Posts containing blocks are now correctly handled when displaying on the front end, including dynamic blocks and nested blocks.

Props pento.

Merges [43752] to trunk.

See #45109.

git-svn-id: https://develop.svn.wordpress.org/trunk@44118 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/formatting.php

@@ -458,6 +458,11 @@ function wpautop( $pee, $br = true ) {
 		return '';
 	}
 
+	// We don't need to autop posts with blocks in them.
+	if ( has_blocks( $pee ) ) {
+		return $pee;
+	}
+
 	// Just to make things a little easier, pad the end.
 	$pee = $pee . "\n";
 
@@ -3635,6 +3640,7 @@ function wp_trim_excerpt( $text = '' ) {
 		$text = get_the_content( '' );
 
 		$text = strip_shortcodes( $text );
+		$text = strip_dynamic_blocks( $text );
 
 		/** This filter is documented in wp-includes/post-template.php */
 		$text = apply_filters( 'the_content', $text );