diff --git a/install-php-extensions b/install-php-extensions
index 8348020..8c8ea28 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -2129,6 +2129,11 @@ EOF
 			esac
 			;;
 	esac
+	installBundledModule_err="$(php -r 'return;' 2>&1 || true)"
+	if test -n "$installBundledModule_err"; then
+		printf 'PHP has problems after installing the "%s" extension:\n%s\n' "$1" "$installBundledModule_err" >&2
+		return 1
+	fi
 }
 
 # Fetch a tar.gz file, extract it and returns the path of the extracted folder.