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array_filter php Code Example
![array_filter() expects parameter 1 to be array, null given in Drupal\webform_mailchimp\Plugin\WebformHandler\WebformMailChimpHandler->postSave() [#3096797] | Drupal.org](https://www.drupal.org/files/issues/2019-11-26/Screenshot%202019-11-26%20at%2010.58.38.png "array_filter() expects parameter 1 to be array, null given in Drupal\webform_mailchimp\Plugin\WebformHandler\WebformMailChimpHandler->postSave() [#3096797] | Drupal.org")
array_filter() expects parameter 1 to be array, null given in Drupal\webform_mailchimp\Plugin\WebformHandler\WebformMailChimpHandler->postSave() [#3096797] | Drupal.org
PHP function - array_filter | PHP Safari
