fix: Undefined property: CodeIgniter\Database\OCI8\PreparedQuery::$statement

Author: fpoy

phpstan-baseline.neon.dist

@@ -265,6 +265,11 @@ parameters:
 			count: 1
 			path: system/Database/MySQLi/Result.php
 
+		-
+			message: "#^Property CodeIgniter\\\\Database\\\\BasePreparedQuery\\:\\:\\$statement \\(object\\|resource\\) in isset\\(\\) is not nullable\\.$#"
+			count: 2
+			path: system/Database/OCI8/PreparedQuery.php
+
 		-
 			message: "#^Strict comparison using \\=\\=\\= between array and false will always evaluate to false\\.$#"
 			count: 1

system/Database/OCI8/PreparedQuery.php

@@ -68,7 +68,7 @@ public function _prepare(string $sql, array $options = [])
      */
     public function _execute(array $data): bool
     {
-        if (null === $this->statement) {
+        if (! isset($this->statement)) {
             throw new BadMethodCallException('You must call prepare before trying to execute a prepared statement.');
         }
 
@@ -104,8 +104,8 @@ public function _getResult()
     public function _close(): bool
     {
         $error = true;
-        if (null !== $this->statement) {
-            $error = oci_free_statement($this->statement);
+        if (isset($this->statement)) {
+            $error = (bool) oci_free_statement($this->statement);
             unset($this->statement);
         }