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Laravel Validation Rules If another field value greater then or equal to 15

I want to give a validation rule for card information:

  • required when number_of_guests field value is greater than or equal to 15
  • card_information will be required when number_of_guests field value is greater than or equal to 15
$rules = [
    'number_of_guests' => 'numeric|required|max:100',
    'card_information' => 'required_if:number_of_guests,>=15'
];
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3

Answers


  1. 0

    The required_if rule needs a slight adjustment to work with numerical values. You can use the integer rule instead of numeric for the number_of_guests field to ensure it’s an integer, and then use required_if with the appropriate condition.

    $rules = [
'number_of_guests' => 'integer|required|max:100',
'card_information' => 'required_if:number_of_guests,>=15'
];
$request->validate($rules);
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  2. 0

    I’d use something like

    $rules = [
    ...
];
if (number_of_guests >= 15) {
    // Add additional rules to $rules
}
// do validation
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  3. 0 
    $rules = [
    'number_of_guests' => 'numeric|required|max:100',
    'card_information' => 'required_if:number_of_guests,>=,15' // Corrected syntax
];

    The key change is in the card_information rule. The correct syntax for the required_if rule is:

    'field_name' => 'required_if:other_field_name,operator,value'
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