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tap($value, $callback) The tap helper function is used to call a given Closure (provided as an argument to the $callback parameter) with the given $value . The tap helper function will return the reference to the original $value as its return...
toJson($options = 0) The toJson method will return a JSON encoded version of the data stored within the collection instance. It internally does this by returning a call to PHP's json_encode function, passing in any $options that were supplied....
PHP version 5.3 introduced a new feature called anonymous functions, or lambda functions. You may have come across them in other languages such as C# or Ruby. They allow for greater flexibility and offer a clean, expressive syntax. Anonymous...
The following demonstrates the contains method in its most basic usage: 1 use Illuminate \ Support \ Collection ; 2 3 // Create a new collection instance. 4 $ collection = new Collection ( [ 5 ' bear ' , 6 ' whale ' , 7 ' chicken ' , 8 '...
The where method allows developers to filter a collection given a key value pair. It filters the collection's items by checking that the given $key has some value equal to the provided $value . An argument can be supplied for the $operator...
groupBy($groupBy, $preserveKeys = false) The groupBy method is used to group a collection based on a given value, represented by the $groupBy parameter. An argument passed to $groupBy can be a simple string, representing the value that the...
Our hybrid cache system is already quite capable but does present some challenges if we want to use routes or controllers to serve our content. The responses from these routes or controllers will be cached unless we exclude their URL patterns in...
In the previous section we implemented a custom Antlers tag that can be used to block access to content entirely if the current user does not have an active billing subscription. It works, but does not make things easy if we want to have a mix of...
Before going much further, we will take some time to get some structural changes and organization done. As we progress further along the development of our cache system, we will interact with our App\HybridCache\Manager implementation and from...
We will start our parser implementation by defining our characters as constants. We could simply write them as strings each time we need them in our code, but it is easy to make a mistake that way once things get going. We will build on the code...