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Validation function
sinsunsan edited this page Sep 20, 2012
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La fonction de validation par défaut est form_id_validate D'autre part son nom est visible dans la clef $form['#validate']
Exemple of validation function https://gist.github.com/6b17f7ed0c6b9e06142a
- How to change a value in a validation function
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form_set_value
http://api.drupal.org/api/drupal/includes%21form.inc/function/form_set_value/7
Change the value of a form element