Fixed PHP 5.6 and 7.0 compatibility issues.

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [3.1.3] - 2024-06-19 (dev)
+### Update
+- Fixed some compatibility issues with PHP 5.6 and 7.0.
+
 ## [3.1.2] - 2024-04-28
 ### Updated
 - Fixed incorrect error message for invalid DMARC ruf.

index.php

@@ -107,7 +107,7 @@
         }
 
         $lastcroninterval = get_config('tool_task', 'lastcroninterval');
-        $expectedfrequency = $CFG->expectedcronfrequency ?? MINSECS;
+        $expectedfrequency = isset($CFG->expectedcronfrequency) ? $CFG->expectedcronfrequency : MINSECS;
         $croninfrequent = !$cronoverdue && ($lastcroninterval > ($expectedfrequency + MINSECS)
                 || $lastcron < time() - $expectedfrequency);
         if ($croninfrequent) {
@@ -276,7 +276,8 @@
 
                 // Split the host and the port.
                 $host = explode(':', $host . ':25'); // Set default port to 25 in case none was specified.
-                [$host, $port] = $host;
+                $host = $host[0];
+                $port = $host[1];
                 $port = (int)$port;
 
                 // Check for DNS record lookup failure. Skip if host is an IP address.

version.php

@@ -26,8 +26,8 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'local_mailtest';  // To check on upgrade, that module sits in correct place.
-$plugin->version   = 2024042801;        // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2024061900;        // The current module version (Date: YYYYMMDDXX).
 $plugin->requires  = 2013040500;        // Requires Moodle version 2.5.
-$plugin->release   = '3.1.2';
+$plugin->release   = '3.1.3';
 $plugin->maturity  = MATURITY_STABLE;
 $plugin->cron      = 0;