refactor: if condition

Author: kenjis

phpstan-baseline.php

@@ -1466,11 +1466,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Database/OCI8/Connection.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in a negated boolean, array\\|string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Database/OCI8/Connection.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^PHPDoc type string of property CodeIgniter\\\\Database\\\\OCI8\\\\Connection\\:\\:\\$escapeChar is not the same as PHPDoc type array\\|string of overridden property CodeIgniter\\\\Database\\\\BaseConnection\\<resource,resource\\>\\:\\:\\$escapeChar\\.$#',
 	'count' => 1,

system/Database/OCI8/Connection.php

@@ -602,7 +602,7 @@ public function insertID(): int
             }
         }
 
-        if (! $primaryColumnName) {
+        if ($primaryColumnName === '') {
             return 0;
         }