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Assume we have an array of numbers, from 0 to 100 : 1 <?php 2 3 $ numbers = range ( 0 , 100 ) ; An array of all numbers less than or equal to 10 can be created like so: 1 <?php 2 3 use Illuminate \ Support \ Arr ; 4 5 $ smallNumbers = Arr :: where...
That example only used the $value from the array, the following example will make use of both the key and value. Consider the following array of students and test scores: 1 <?php 2 3 $ testScores = [ 4 ' Alice ' => 95 , 5 ' Allison ' => 96 , 6 '...
For completeness, let's look at an example of just utilizing the key from the key/value compare with the where method. Let's add another array to the mix to keep track of all the students that are currently suspended: 1 <?php 2 3 $...
In PHP, whenever the execution of the script enters into a function, the scope changes. This is still true for Closures and anonymous functions. That is why the above example is using the use keyword: to bring the $suspendedPeople variable from...
The array_where function is a shortcut to calling Arr::where . This function is declared in the global namespace.
This function affects the original $array .
The signature of the set method is: 1 public static function set ( 2 & $ array , 3 $ key , 4 $ value 5 ) ;
The set method also uses dot notation for its $key value. We will use the set function to create a simple array: 1 <?php 2 3 use Illuminate \ Support \ Arr ; 4 5 // Create an empty array to work with. 6 $ testArray = [ ] ; 7 8 Arr :: set ( $...
The set function can be used to change the entire value of the array. This is accomplished by passing null as the value for $key . When null is used for the $key , the $value will be assigned to the $array variable. The effects of this can be...
Given the following array: 1 $ newArray = [ 2 ' third ' => ' element ' , 3 ' fourth ' => ' element ' 4 ] ; We can reassign the arrays like so: 1 <?php 2 3 use Illuminate \ Support \ Arr ; 4 5 Arr :: set ( $ testArray , null , $ newArray ) ; The...