Merge pull request #8986 from kenjis/fix-OCI8-connect

fix: [OCI8] if conditions to build DSN

Author: kenjis

phpstan-baseline.php

@@ -3070,7 +3070,7 @@
 $ignoreErrors[] = [
 	// identifier: empty.notAllowed
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
-	'count' => 5,
+	'count' => 2,
 	'path' => __DIR__ . '/system/Database/OCI8/Connection.php',
 ];
 $ignoreErrors[] = [

system/Database/OCI8/Connection.php

@@ -104,6 +104,10 @@ class Connection extends BaseConnection
      */
     private function isValidDSN(): bool
     {
+        if ($this->DSN === null || $this->DSN === '') {
+            return false;
+        }
+
         foreach ($this->validDSNs as $regexp) {
             if (preg_match($regexp, $this->DSN)) {
                 return true;
@@ -120,13 +124,13 @@ private function isValidDSN(): bool
      */
     public function connect(bool $persistent = false)
     {
-        if (empty($this->DSN) && ! $this->isValidDSN()) {
+        if (! $this->isValidDSN()) {
             $this->buildDSN();
         }
 
         $func = $persistent ? 'oci_pconnect' : 'oci_connect';
 
-        return empty($this->charset)
+        return ($this->charset === '')
             ? $func($this->username, $this->password, $this->DSN)
             : $func($this->username, $this->password, $this->DSN, $this->charset);
     }
@@ -632,7 +636,7 @@ protected function buildDSN()
         }
 
         $isEasyConnectableHostName = $this->hostname !== '' && ! str_contains($this->hostname, '/') && ! str_contains($this->hostname, ':');
-        $easyConnectablePort       = ! empty($this->port) && ctype_digit($this->port) ? ':' . $this->port : '';
+        $easyConnectablePort       = ($this->port !== '') && ctype_digit((string) $this->port) ? ':' . $this->port : '';
         $easyConnectableDatabase   = $this->database !== '' ? '/' . ltrim($this->database, '/') : '';
 
         if ($isEasyConnectableHostName && ($easyConnectablePort !== '' || $easyConnectableDatabase !== '')) {