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    • June 15, 2020 at 7:31 am #10712
      bevislw
      Participant

      I am just getting started with Piklist and was hoping someone would be able to point me in the right direction with a particular issue.

      Is there anyway to convert text input to uppercase in piklist currently? I have a added it to the ‘description’ as a workaround, although this didn’t appear if the text field was inside a group so put it at the top level. Is that correct?

      Also, I tried adding ‘pattern’ => ‘^[A-Z]?[0-9]$’ and to the field inside a group but it’s not validating the input correctly. I am still getting ‘please match the format requested’ message.

      So I tried another approach using validation rule.

      add_filter(‘piklist_validation_rules’, ‘check_discount_code’, 11);
      function check_discount_code($validation_rules)
      {
      $validation_rules[‘discount_code’] = array(
      ‘rule’ => “/[A-Z]?[0-9]/”
      ,’message’ => __(‘Please enter discount code with uppercase letters and numbers’)
      );

      return $validation_rules;
      }

      ,’validate’ => array(
      array(
      ‘type’ => ‘discount_code’
      )
      )

      But I am having no joy. Any advice would be greatly appreciated.

    • June 15, 2020 at 12:41 pm #10713
      Steve
      Keymaster

      @bevislw– Welcome to the Piklist Community!

      Here are a few options:
      1. Many developers choose to save the data normally and then convert it to uppercase on output. For that you can use the PHP function strtoupper: https://www.w3schools.com/php/func_string_strtoupper.asp

      2. To Validate I would recommend using a callback function with strtoupper. Something like this should work:

      
function my_check_uppercase($index, $value, $options, $field, $fields) {
    return $value === strtoupper($value) ? true : 'contains lowercase letters.';
 }

      Using the callback is documented here: https://docs.piklist.com/actions-filters/filters/piklist_validation_rules/

      3. If you want to convert the data on save you should use a Sanitization rule. Validation rules are true/false, where Sanitization rules can change your data. You can also use the strtoupper function to convert your data. Here are docs on Sanitization rules: https://docs.piklist.com/actions-filters/filters/piklist_sanitization_rules/

      Let me know if any of these worked for you.

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