Eloquent Model $appends Property: How Does It Work?

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If you never used $appends in Eloquent Models, this video is for you.

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Be aware of calculating that attribute by a relation can easily get an N+1 problem, and if you load this model on that specific relation, you will end up in an endless loop (status 500 without any understandable error message).
If you really need to have an attribute that uses relations, use Model::append($property) or Collection::append($property) in your specific service (or controller).

Same for the $with property.

EndreVarga_rnd
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Informative!

Recently watched one of your API related videos and learned that I can 'append' properties. This video helped me to learn more on appending properties with ease 😃

alnahian
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be aware if you working with many records (like export, markers at map etc) it can create huge performance problem, especially if carbon is involved. nice future but it is silent performance killer.

problem
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One example would be a model for the history of played songs, where both the station and the song itself is a separate entity. Song would be very useful overall; Station somewhat less (as the station could be loading its history itself anyway). So I've used appends to add the Song relation every time.

Next to that, when using eg. Spatie's media library, I've also added the song's poster URL like this via an accessor (get).

Xewl
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I used append before but not in the model, I call append manually on some points on controllers, and then in the Resourcee I call whenAppended to see whether I should return the value or not.

mahmoudbenjabir
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Yes, very useful thing, I usually use it to provide age or some calculated file URL

rorumets
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Yes used alot but at end its slow my app .
Reason i used append from query other models
i.e In user append address from profile

futurefrompast
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any video for .htaccess using larval 9x @Laravel Daily

wahab
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Yes i used it performing search on collection on front side

julienSibille
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Yes, I use this a lot to format parts of customer addresses (used as accessors in separate columns in DataTables).

protected $appends = [
'customer',
....
];

public function getCustomerAttribute() {
return implode(' ', array_filter([$this->attributes['customer_last_name'],
}

kreaweb-be
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if we use appends for relationship the query getting slow. Could you help me?

prabakaran
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I use it to add a new field from a database JSON column so i dont need to return the full JSON just a specific field from it.

xstvan
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When we add to append, can we exclude that attribute on several condition?

halimabu
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can I use apoends fields data with Aggregates method?
thank you

Raihan
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how can modify the text, 25 minutes ago?
is it possible to provide some guide line.
thank you

Raihan
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Yes, what a coincidence last Friday I had an issue cause nested model always return appends, and I was working with eloquent “with()” but I resolved just removing appends and now I ask everything manually through with(“attrs) I did this to optimise loadtime and size of request

jesusramos
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Interesting information 🔥. However do you think it will auto update like the updated_at column does as time goes on 🤔 ? If not I suggest you create a date time stamp on the created_diff column and then in the view, show the difference for humans

nicolegeorge
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I don't use attribute make and I don't know how or when to use it

amirulidzham
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Can you make a video on How to create a Dynamic Model? I have a scenario in which I am creating 11 report forms and each form contains a section of action items form. Every Action items have same fields so can we create a DynamicModel for this?

AhsanKhan
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how to update 10k data in laravel using parallel foreach

egzonmurati