Using ${var} in strings is deprecated, use {$var} instead

src/Authparams.php

@@ -115,7 +115,7 @@ class Authparams
       *    http://localhost/rest/authentication/ | jq -r
       * curl -s \
       *   -H "Accept: application/json" \
-      *   -H "Authentication: Bearer ${BearerToken}" \
+      *   -H "Authentication: Bearer {$BearerToken}" \
       *   http://localhost/rest/api/
       * The real verification are done in authjwt, as we can not have the
       * jwtServerKey defined in property : the execution is done in constructor

src/Console.php

@@ -350,7 +350,7 @@ class Console
                     }
                     foreach ($completeArr as $key => $val) {
                         if ($isAssoc) {
-                            printf("%-${maxlen}s %s\n", $key, $val);
+                            printf("%-{$maxlen}s %s\n", $key, $val);
                         } elseif (trim($val) === "") {
                             // TODO : Define the string to display for ending string
                             echo "<br>\n";
@@ -822,7 +822,7 @@ class Console
             $this->consoleException("ColorNum provided to colorText is not an " .
                                "integer");
         }
-        echo "\033[38;5;${colorNum}m";
+        echo "\033[38;5;{$colorNum}m";
     }
 
     /** Set the background text color
@@ -834,7 +834,7 @@ class Console
             $this->consoleException("ColorNum provided to colorBackgroundText not " .
             "an integer");
         }
-        echo "\033[48;5;${colorNum}m";
+        echo "\033[48;5;{$colorNum}m";
     }
 
     /** Reset the colors
@@ -854,7 +854,7 @@ class Console
         } else {
             $underline = "";
         }
-        echo "\033[${underline}4m";
+        echo "\033[{$underline}4m";
     }
 
     /** Bold the text
@@ -867,7 +867,7 @@ class Console
         } else {
             $bold = 1;
         }
-        echo "\033[${bold}m";
+        echo "\033[{$bold}m";
     }
 
     /** Return true if the TTY is enabled, or false if the program is called from pipe

src/Convert.php

@@ -190,6 +190,6 @@ class Convert
             $display = $value;
         }
 
-        return sprintf("%.${decimals}f", $display) . $size[$factor] . $unit;
+        return sprintf("%.{$decimals}f", $display) . $size[$factor] . $unit;
     }
 }