Display error if large batches will exceed the php.ini max_input_vars

The default value for max_input_vars in PHP is 1000. Batch entries that are >65 will silently error and break the batch data entry. This change will throw a fatal error if the batch size will fail.

diff --git a/CRM/Batch/Form/Entry.php b/CRM/Batch/Form/Entry.php
index b5a50e798cb274576d42215a65f19ee61c4adf24..2ec23838516b428768b04cd8dd832ec9e0cdee26 100644 (file)
--- a/CRM/Batch/Form/Entry.php
+++ b/CRM/Batch/Form/Entry.php
@@ -238,7 +238,18 @@ class CRM_Batch_Form_Entry extends CRM_Core_Form {
         }
       }
     }
-
+   /*
+     Display Error for Batch Sizes Exceeding php.ini max_input_vars
+
+     Notes: $this->_elementIndex gives an approximate count of the variables being sent
+     An offset value is set to deal with additional vars that are likely passed. 
+     There may be a more accurate way to do this...
+    */
+    $offset = 50; // set an offset to account for other vars we are not counting
+    if((count($this->_elementIndex) + $offset) > ini_get("max_input_vars")) {
+     CRM_Core_Error::fatal(ts('Batch size is too large. Increase value of php.ini setting "max_input_vars" (current val = '. ini_get("max_input_vars").')'));
+    }
+   
     $this->assign('fields', $this->_fields);
     CRM_Core_Resources::singleton()
       ->addSetting(array(