Using old() function with another default value for input in blade in laravel

Question

I tried to use two default value for a input with condition in blade:

<input type="text" class="form-control" id="wallet" name="wallet" value="{{old('wallet') or 0}}">

I want the old() to be use when the inputs value is incorrect and the other should be used when the page is open for the first time and for is not submitted yet, but when i run the code the 0 as default value is not set in input.Where is the problem?

Jerodev · Accepted Answer · 2018-07-02 07:48:56Z

11

old() can have a second parameter for default value. So you can use, old('wallet', 0).

answered Jul 2, 2018 at 7:48

Jerodev

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3 Comments

Kyle Wardle Over a year ago

This works fine for if you just have two potential parameters so is fine for this use case however if OP wanted to use more than one potential option eg. if editing a model, you could null coalesce (??) operator like so : old('value') ?? $model->value ?? $defaultValue

Robert Over a year ago

@KyleWardle why not old('value', $model->value ?? $defaultValue) ?

Kyle Wardle Over a year ago

@Robert That is true actually, I guess the only situation where that would not be quite enough would be if you wanted the $model->value to take priority over the old value as with this current method it will always prioritise the old('value')

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