implements batch processing on filtering parameters.

classes/ilios.php

@@ -45,6 +45,11 @@ class ilios {
      */
     const API_BASE_PATH = '/api/v3/';
 
+    /**
+     * @var int The maximum number of filtering request parameters in a given API request.
+     */
+    const MAX_FILTER_PARAMS = 250;
+
     /**
      * @var string The API access token.
      */
@@ -335,6 +340,16 @@ public function get(
         array $filterby = [],
         array $sortby = [],
     ): array {
+        // If needed, recursively call this function with smaller batch sizes of filtering parameters.
+        if (count($filterby) > self::MAX_FILTER_PARAMS) {
+            $batches = array_chunk($filterby, self::MAX_FILTER_PARAMS);
+            $results = [];
+            foreach ($batches as $batch) {
+                $result = $this->get($path, $key, $batch, $sortby);
+                $results = array_merge($results, $result);
+            }
+            return $results;
+        }
         $this->validate_access_token($this->accesstoken);
         $options = ['headers' => ['X-JWT-Authorization' => 'Token ' . $this->accesstoken]];