acf_serialize_block_attributes() │ ACF 5.12

This directly copied from the WordPress core serialize_block_attributes()

We need this in order to make sure that block attributes are stored in a way that is consistent with how Gutenberg sends them over from JS, and so that things like wp_kses() work as expected. Copied from core to get around a bug that was fixed in 5.8.1 or on the off chance that folks are still using WP 5.3 or below.

TODO: Remove this when we refactor acf_parse_save_blocks_callback() use serialize_block(), or when we're confident that folks aren't using WP versions prior to 5.8.

No Hooks.

Returns

String. Serialized attributes.

Usage

acf_serialize_block_attributes( $block_attributes );

$block_attributes(array) (required)

Attributes object.

Changelog

acf_serialize_block_attributes() acf serialize block attributes code ^{ACF 6.8.8}

function acf_serialize_block_attributes( $block_attributes ) {
	$encoded_attributes = wp_json_encode( $block_attributes, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
	$encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes );
	$encoded_attributes = preg_replace( '/</', '\\u003c', $encoded_attributes );
	$encoded_attributes = preg_replace( '/>/', '\\u003e', $encoded_attributes );
	$encoded_attributes = preg_replace( '/&/', '\\u0026', $encoded_attributes );
	// Regex: /\\"/.
	$encoded_attributes = preg_replace( '/\\\\"/', '\\u0022', $encoded_attributes );

	return $encoded_attributes;
}