End support for PHP 5.5 [MAILPOET-1317]

RoboFile.php

@@ -310,7 +310,7 @@ class RoboFile extends \Robo\Tasks {
       ->taskExec(
         './vendor/bin/phpcs '.
         '--standard=./tasks/code_sniffer/MailPoet '.
-        '--runtime-set testVersion 5.5-7.2 '.
+        '--runtime-set testVersion 5.6-7.2 '.
         '--ignore=./lib/Util/Sudzy/*,./lib/Util/CSS.php,./lib/Util/XLSXWriter.php,./lib/Dependencies/*,'.
         './lib/Util/pQuery/*,./lib/Config/PopulatorData/Templates/* '.
         'lib/ '.
@@ -319,7 +319,7 @@ class RoboFile extends \Robo\Tasks {
       ->taskExec(
         './vendor/bin/phpcs '.
         '--standard=./tasks/code_sniffer/MailPoet '.
-        '--runtime-set testVersion 5.5-7.2 '.
+        '--runtime-set testVersion 5.6-7.2 '.
         '--ignore=./tests/unit/_bootstrap.php,./tests/unit/_fixtures.php,./tests/integration/_bootstrap.php,./tests/integration/_fixtures.php '.
         'tests/unit tests/integration tests/acceptance tests/DataFactories '.
         $severityFlag

composer.json

@@ -10,7 +10,7 @@
     }
   ],
   "require": {
-    "php": ">=5.5",
+    "php": ">=5.6",
     "twig/twig": "1.*",
     "cerdic/css-tidy": "^1.6",
     "tburry/pquery": "^1.1.1",

lib/Models/Model.php

@@ -292,15 +292,6 @@ class Model extends \Sudzy\ValidModel {
     return static::whereNotNull('deleted_at');
   }
 
-  /**
-   * PHP 5.3 fix for incorrectly returned model results when using asArray() function.
-   * Jira reference: https://goo.gl/UZaMj5
-   * TODO: remove after phasing out PHP 5.3 support
-   */
-  function asArray() {
-    return call_user_func_array('parent::as_array', func_get_args());
-  }
-
   /**
    * Rethrow PDOExceptions to prevent exposing sensitive data in stack traces
    */

mailpoet-cron.php

@@ -25,7 +25,7 @@ if(!is_plugin_active('mailpoet/mailpoet.php')) {
 }
 
 // Check for minimum supported PHP version
-if(version_compare(phpversion(), '5.5.0', '<')) {
+if(version_compare(phpversion(), '5.6.0', '<')) {
   echo 'MailPoet requires PHP version 5.6 or newer (version 7 recommended).';
   exit(1);
 }

mailpoet.php

@@ -41,7 +41,7 @@ if(version_compare(get_bloginfo('version'), '4.6', '<')) {
 }
 
 // Check for minimum supported PHP version
-if(version_compare(phpversion(), '5.5.0', '<')) {
+if(version_compare(phpversion(), '5.6.0', '<')) {
   add_action('admin_notices', 'mailpoet_php_version_notice');
   // deactivate the plugin
   add_action('admin_init', 'mailpoet_deactivate_plugin');

tests/integration/Util/Notices/PHPVersionWarningsTest.php

@@ -23,8 +23,8 @@ class PHPVersionWarningsTest extends \MailPoetTest {
     expect($this->phpVersionWarning->isOutdatedPHPVersion('5.5.3'))->true();
   }
 
-  function testPHP56IsOutdated() {
+  function testPHP56IsNotOutdated() {
-    expect($this->phpVersionWarning->isOutdatedPHPVersion('5.5.3'))->true();
+    expect($this->phpVersionWarning->isOutdatedPHPVersion('5.6.3'))->false();
   }
 
   function testPHP72IsNotOutdated() {