fixed deprecations

.gitignore

@@ -1,5 +1,6 @@
 vendor
 composer.lock
 .php_cs.cache
+.phpunit.cache
 .phpunit.result.cache
 .*.sw?

phpunit.xml

@@ -1,24 +1,27 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         bootstrap="tests/include.php"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
+<?xml version="1.0" encoding="UTF-8" ?>
+<phpunit
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.0/phpunit.xsd"
+  backupGlobals="false"
+  colors="true"
+  bootstrap="tests/include.php"
+  processIsolation="false"
+  stopOnFailure="false"
+  cacheDirectory=".phpunit.cache"
+  backupStaticProperties="false"
 >
     <testsuites>
         <testsuite name="Application Test Suite">
             <directory>./tests/</directory>
-            <file>./tests/test.php</file>
         </testsuite>
     </testsuites>
     <php>
-        <ini name="error_reporting" value="E_ALL"/>
-        <ini name="display_errors" value="true"/>
-        <ini name="display_startup_errors" value="true"/>
-        <env name="APP_ENV" value="testing"/>
+        <ini name="error_reporting" value="E_ALL" />
+        <ini name="display_errors" value="true" />
+        <ini name="display_startup_errors" value="true" />
+        <env name="APP_ENV" value="testing" />
     </php>
+    <logging>
+      <junit outputFile="/tmp/test_output/junit.xml" />
+    </logging>
 </phpunit>

simple_encryptor.php

@@ -65,7 +65,7 @@ public function encode($string)
                 $string,
                 $this['method'],
                 $passphrase,
-                null,
+                0,
                 $this['iv']
             ) .
                 '|' .
@@ -87,7 +87,7 @@ public function decode($string)
                 $data[0],
                 $this['method'],
                 $passphrase,
-                null,
+                0,
                 base64_decode($data[1])
             );
         } else {

tests/test.php → tests/SimpleEncryptorTest.php

@@ -3,7 +3,7 @@
 
 use PMVC\TestCase;
 
-class Simple_encryptorTest extends TestCase
+class SimpleEncryptorTest extends TestCase
 {
     private $_plug = 'simple_encryptor';