Plugin: Deprecate gutenberg_content_block_version

WordPress · Jan 24, 2019 · 1537d5e · 1537d5e
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diff --git a/docs/designers-developers/developers/backward-compatibility/deprecations.md b/docs/designers-developers/developers/backward-compatibility/deprecations.md
@@ -21,6 +21,7 @@ The Gutenberg project's deprecation policy is intended to support backward compa
 - The PHP function `gutenberg_register_post_prepare_functions` has been removed.
 - The PHP function `gutenberg_silence_rest_errors` has been removed.
 - The PHP function `gutenberg_filter_post_type_labels` has been removed.
+- The PHP function `gutenberg_content_block_version` has been removed. Use [`block_version`](https://developer.wordpress.org/reference/functions/block_version/) instead.
 
 ## 4.5.0
 - `Dropdown.refresh()` has been deprecated as the contained `Popover` is now automatically refreshed.

diff --git a/lib/register.php b/lib/register.php
@@ -410,12 +410,15 @@ function has_block( $block_type, $post = null ) {
  *
  * @since 2.8.0
  * @see gutenberg_content_has_blocks()
+ * @deprecated 5.0.0 block_version
  *
  * @param string $content Content to test.
  * @return int The block format version.
  */
 function gutenberg_content_block_version( $content ) {
-	return has_blocks( $content ) ? 1 : 0;
+	_deprecated_function( __FUNCTION__, '5.0.0', 'block_version' );
+
+	return block_version( $content );
 }
 
 /**