Cron runs all jobs from a single dispatcher cron.php which should now be run every minute and all other cron jobs eliminated from cron

functions/request.php

@@ -1,9 +1,35 @@
 <?php
 
-// Request/client detection (IP, UA, browser, OS) and response helpers
+// Request/client detection (IP, UA, browser, OS), response helpers, and outbound HTTP
 // Split from the former monolithic functions.php
 
 
+/*
+ * Form-encoded POST, used for the OAuth token endpoints. Lived in both cron/mail_queue.php
+ * and cron/ticket_email_parser.php as identical copies until cron/cron.php began running
+ * them in one process, where the second declaration is a fatal error.
+ */
+function httpFormPost(string $url, array $fields): array {
+    $ch = curl_init($url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_POST, true);
+    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields, '', '&'));
+    curl_setopt($ch, CURLOPT_TIMEOUT, 20);
+
+    $raw = curl_exec($ch);
+    $err = curl_error($ch);
+    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+    curl_close($ch);
+
+    return [
+        'ok' => ($raw !== false && $code >= 200 && $code < 300),
+        'body' => $raw,
+        'code' => $code,
+        'err' => $err,
+    ];
+}
+
 function getUserAgent() {
     return $_SERVER['HTTP_USER_AGENT'];
 }