It's a questionable Yoda condition, but it checks out.

stevegrunwell · stevegrunwell · commit 3f891f7ff727 · 2017-12-23T16:19:36.000Z
diff --git a/includes/class-wc-custom-order-table-install.php b/includes/class-wc-custom-order-table-install.php
@@ -32,7 +32,7 @@ class WC_Custom_Order_Table_Install {
 	 */
 	public static function activate() {
 		// We're already on the latest schema version.
-		if ( (int) self::$table_version === (int) get_option( self::SCHEMA_VERSION_KEY ) ) {
+		if ( (int) get_option( self::SCHEMA_VERSION_KEY ) === (int) self::$table_version ) {
 			return false;
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -32,7 +32,7 @@ class WC_Custom_Order_Table_Install {`
`32`	`32`	`*/`
`33`	`33`	`public static function activate() {`
`34`	`34`	`// We're already on the latest schema version.`
`35`		`- if ( (int) self::$table_version === (int) get_option( self::SCHEMA_VERSION_KEY ) ) {`
	`35`	`+ if ( (int) get_option( self::SCHEMA_VERSION_KEY ) === (int) self::$table_version ) {`
`36`	`36`	`return false;`
`37`	`37`	`}`
`38`	`38`