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  1. <?php
  2.  
  3. $arr = [
  4. 0 => [
  5. "url" => "example.com",
  6. "ip" => "2345",
  7. ],
  8. 1 => [
  9. "url" => "example2.com",
  10. "ip" => "3453",
  11. ],
  12. 2 => [
  13. "url" => "test.com",
  14. "ip" => "222",
  15. ],
  16. ];
  17.  
  18. foreach ($arr as &$item) {
  19. unset($item);
  20. }
  21.  
  22. var_dump($arr);
  23.  
Success #stdin #stdout 0s 82560KB
stdin
Standard input is empty
stdout
array(3) {
  [0]=>
  array(2) {
    ["url"]=>
    string(11) "example.com"
    ["ip"]=>
    string(4) "2345"
  }
  [1]=>
  array(2) {
    ["url"]=>
    string(12) "example2.com"
    ["ip"]=>
    string(4) "3453"
  }
  [2]=>
  array(2) {
    ["url"]=>
    string(8) "test.com"
    ["ip"]=>
    string(3) "222"
  }
}