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The unwrap method is the logical opposite of the wrap method, in that if the provided value is already a collection, the collection's underlying items will be returned. If the provided value is not a collection instance, the value is simply...
reject($callback) The reject method used to create a new Collection instance containing all the items in the collection that do not pass a given truth test. The reject method only defines one parameter: $callback . The $callback function should...
This article is part of a four part series all about Laravel facades. Each of the parts are listed below: Laravel Facades Part One: An Introduction to Facades, Laravel Facades Part Two: Using Facades, ., Laravel Facades Part Three: Creating Custom...
The third technique we will look at in this post is using dynamic variables . Dynamic variables let us store (or construct) a variable name as a string, and then get the value associated with that variable name. Dynamic variables begin with the @...
back($status = 302, $headers = []) The back helper function is used to create a redirect response to the user's previous location. It defines two parameters which can be used to control the status code and headers of the response. An integer...
We are going to create a custom exception class just to observe how our template variables change depending on the type of error that was thrown. To do this, create a new PHP file at app/CustomException.php with the following contents: 1 <?php 2 3...
route($name, $parameters = [], $absolute = true, $route = null) The route helper function can be used to generate URLs to a given named route. The route function defines four parameters, but only three are used internally ( $name , $parameters and...
The doc command can be used to view the documentation for an object, class, constant, method, function or property. It can accept either the function, method, class, etc name or a reference to an instance's methods as its arguments. Because of...
diffKeys($items) The diffKeys method is similar to the diff method. It is used to determine which items whose keys in the collection are not present in the supplied $items collection's keys. $items can be either an array, or another instead of...
When a Collection instance is cast into a string, its JSON representation is returned as the result. Internally this is accomplished by returning the results of the collection's toJson method. 1 use Illuminate \ Support \ Collection ; 2 3 //...