ext/curl: improved tests

Follow up to #22908.

Author: NickSdot

ext/curl/tests/bug48207.phpt

@@ -44,8 +44,8 @@ foreach ([
 ] as $option) {
     try {
         curl_setopt($ch, $option, $fp);
-    } catch (ValueError $exception) {
-        echo $exception->getMessage(), "\n";
+    } catch (ValueError $e) {
+        echo $e::class, ': ', $e->getMessage(), "\n";
     }
 }
 
@@ -54,8 +54,8 @@ is_file($tempfile) and @unlink($tempfile);
 isset($tempname) and is_file($tempname) and @unlink($tempname);
 ?>
 --EXPECT--
-curl_setopt(): The file handle provided for CURLOPT_FILE must be writable
-curl_setopt(): The file handle provided for CURLOPT_WRITEHEADER must be writable
-curl_setopt(): The file handle provided for CURLOPT_STDERR must be writable
+ValueError: curl_setopt(): The file handle provided for CURLOPT_FILE must be writable
+ValueError: curl_setopt(): The file handle provided for CURLOPT_WRITEHEADER must be writable
+ValueError: curl_setopt(): The file handle provided for CURLOPT_STDERR must be writable
 Hello World!
 Hello World!

ext/curl/tests/bug68089.phpt

@@ -9,12 +9,12 @@ $ch = curl_init();
 
 try {
     curl_setopt($ch, CURLOPT_URL, $url);
-} catch (ValueError $exception) {
-    echo $exception->getMessage() . "\n";
+} catch (ValueError $e) {
+    echo $e::class, ': ', $e->getMessage(), "\n";
 }
 
 ?>
 Done
 --EXPECT--
-curl_setopt(): cURL option CURLOPT_URL must not contain any null bytes
+ValueError: curl_setopt(): cURL option CURLOPT_URL must not contain any null bytes
 Done