How to edit items in laravel collection

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90%

This is not recommended for large collection size so think of it if i am using some sort of pagination. and i want to do some processing without losing the paginated collection in other words i only want to process the fetched items per request. i recommend editing items passed by reference – Nady Shalaby Nov 18 '17 at 19:23 ,By default php creates a copy of a variable when passing it to a function as a parameter. You can override this behaviour by prefixing the parameter with an ampersand, which will pass a pointer to the original variable to the function instead., Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers , By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.

If you want to do this transformations always for your model, you can just add the following accessor method to the model class:

public
function getNumbertemplateAttribute() {
   return str_replace('x', '-', $this - > attributes['numbertemplate']);
}

Otherwise just convert the column when you fetch the data:

$plans = $callPlans - > get() - > map(function($plan) {
   $plan - > numbertemplate = str_replace('x', '-', $plan - > numbertemplate);
   return $plan;
});
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88%

The transform is identical to the map method, but instead of returning a new Collection instance, the transform method will modify the original collection instance. The transform method will return a reference to the original collection instance.,The following code example demonstrates the usage and behavior of the transform method:,The behavior of both the transform and map functions can be thought as projecting the items in the collection into a new form; this can be useful for bridging method arguments for in compatible APIs, converting arrays to objects, etc.,After the above code example has executed, the $collection variable would would contain a value similar to the following output:

Signature

1 public
function transform(
   2 callable $callback 3);
4
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72%

I am new in laravel, I run a query and get rows from database and I want to edit a column of this rows before get them in view. So here is my code piece :,If you want to do this transformations always for your model, you can just add the following accessor method to the model class:,We can use this in a foreach loop inside the collection to modify the original item like so:,I need to replace all the 'x' characters with '-' of numbertemplate column..

I am new in laravel, I run a query and get rows from database and I want to edit a column of this rows before get them in view. So here is my code piece :

$callPlans = CustomerCallPlan::whereNotNull('id');

foreach($callPlans - > get() as $callPlan) {
   dd($callPlan);
}
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65%

The each method iterates over the items in the collection and passes each item to a closure:,The pipe method passes the collection to the given closure and returns the result of the executed closure:,The mapWithKeys method iterates through the collection and passes each value to the given callback. The callback should return an associative array containing a single key / value pair:,The map method iterates through the collection and passes each value to the given callback. The callback is free to modify the item and return it, thus forming a new collection of modified items:

The Illuminate\Support\Collection class provides a fluent, convenient wrapper for working with arrays of data. For example, check out the following code. We'll use the collect helper to create a new collection instance from the array, run the strtoupper function on each element, and then remove all empty elements:

$collection = collect(['taylor', 'abigail', null]) - > map(function($name) {
   return strtoupper($name);
}) - > reject(function($name) {
   return empty($name);
});
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75%

$collection = collect([1, 2, 3, 4]);

$filtered = $collection - > filter(function($value, $key) {
   return $value > 2;
});

$filtered - > all();

// [3, 4]
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