wp-includes/deprecated.php:4312Checks whether serialization of the current block's spacing properties should occur.
$block_typeWP_Block_Typeboolfunction wp_skip_spacing_serialization( $block_type ) { _deprecated_function( __FUNCTION__, '6.0.0', 'wp_should_skip_block_supports_serialization()' ); $spacing_support = isset( $block_type->supports['spacing'] ) ? $block_type->supports['spacing'] : false; return is_array( $spacing_support ) && array_key_exists( '__experimentalSkipSerialization', $spacing_support ) && $spacing_support['__experimentalSkipSerialization'];}Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.