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  1. <?php
  2.  
  3. // your code goes here
  4.  
  5. foreach($arr as $subarr){
  6. 	$currentIndex = key($arr);
  7. 	$newSubarr = array_push(array_reverse($subarr),$currentIndex);
  8.  
  9. }
Success #stdin #stdout #stderr 0s 82560KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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PHP Notice:  Undefined variable: arr in /home/Wue5yG/prog.php on line 5
PHP Warning:  Invalid argument supplied for foreach() in /home/Wue5yG/prog.php on line 5
https://ideone.com/Gow8Pf
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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