add documentation of special phrases CSV format

[nominatim.git] / lib-php / Shell.php

diff --git a/lib-php/Shell.php b/lib-php/Shell.php
index b43db135c95ada03aa61b4a677cc0d560fb080e1..4be13235ebd3d73ab9bcd44ec6207bce9bf72b3a 100644 (file)
--- a/lib-php/Shell.php
+++ b/lib-php/Shell.php
@@ -1,4 +1,12 @@
 <?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
 
 namespace Nominatim;
 
@@ -33,7 +41,9 @@ class Shell
     public function addEnvPair($sKey, $sVal)
     {
         if (isset($sKey) && $sKey && isset($sVal)) {
-            if (!isset($this->aEnv)) $this->aEnv = $_ENV;
+            if (!isset($this->aEnv)) {
+                $this->aEnv = $_ENV;
+            }
             $this->aEnv = array_merge($this->aEnv, array($sKey => $sVal), $_ENV);
         }
         return $this;
@@ -75,11 +85,8 @@ class Shell
         return $iStat;
     }
 
-
-
     private function escapeParam($sParam)
     {
-        if (preg_match('/^-*\w+$/', $sParam)) return $sParam;
-        return escapeshellarg($sParam);
+        return (preg_match('/^-*\w+$/', $sParam)) ? $sParam : escapeshellarg($sParam);
     }
 }