Question

How to use outside array with anonymous function in PHP

Answer 1

$array = [];

$additem = function($item) use (&$array) {
    $array[] = $item;
};

$additem(1);
$additem(2);
$additem(3);

print_r($array);

  
/*
run: 
 
Array ( [0] => 1 [1] => 2 [2] => 3 )
   
*/

 

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