fix

tools/putenv/putenv.php

@@ -10,6 +10,7 @@ class PutEnv {
     public function __construct() {
         $argv = $_SERVER['argv'];
         $argc = sizeof($argv);
+        print_r([$argc, $argv]);
         switch($argc) {
             case 3:
                 $this->file = $argv[1];
@@ -22,6 +23,12 @@ class PutEnv {
                 $this->key = $argv[2];
                 $this->value = fgets(STDIN);
             break;
+            
+            default:
+                echo "usage:
+                    php8.0 putenv.php filename key value
+                    echo value | php8.0 putenv filename key";
+                throw new Exception("invalid params");
         }
         if (!file_exists($this->file)) {
             throw new Exception('File not found');