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  1. <?php
  2. class LowerThanFilter
  3. {
  4.     private $limit;
  5.  
  6.     // $key is an optional parameter
  7.     function __construct($limit, ?string $key = null)
  8.     {
  9.         $this->limit = $limit;
  10.         $this->key   = $key;
  11.     }
  12.  
  13.     function __invoke($i)
  14.     {
  15.         // if $key is set, compare with key
  16.         if (!is_null($this->key)) {
  17.             return $i[$this->key] <= $this->limit;
  18.         }
  19.         return $i <= $this->limit;
  20.     }
  21. }
  22. $followers = [["latest_reel_media" => 1], ["latest_reel_media" => 100]];
  23. $followers = array_filter($followers, new LowerThanFilter(50, 'latest_reel_media'));
  24. var_dump($followers);
  25. // your code goes here
Success #stdin #stdout 0.02s 82560KB
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array(1) {
  [0]=>
  array(1) {
    ["latest_reel_media"]=>
    int(1)
  }
}
https://ideone.com/JYLUpl
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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