System:Form:isCreditCard

From Aspen Documentation

Validates that the current value of a field is a credit card number.

Since 1.0

Arguments

boolean isCreditCard (string $field)

field
Name of the form field currently loaded.

Returns

Returns boolean.

Examples

Example: 

if(!$this->APP->form->isCreditCard('field_name')){
     $this->APP->form->addError('field_name', 'An error message');
}
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