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  1. <?php
  2. $a=array(
  3. 	"key1"=>"test",
  4. 	"key2"=>"test2"
  5. 	);
  6.  
  7. unset($a['key1']);
  8.  
  9. print_r(array_keys($a));
  10.  
  11.  
  12. $b=array(1,2,3,4,5);
  13. unset($b['2']);
  14. print_r(array_keys($b));
  15.  
  16. // your code goes here
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin
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Standard input is empty
stdout
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Array
(
    [0] => key2
)
Array
(
    [0] => 0
    [1] => 1
    [2] => 3
    [3] => 4
)
https://ideone.com/IYjJZI
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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