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  1. <?php
  2.  
  3. $bills = array(
  4. 	100 => 23,
  5. 	500 => 5,
  6. 	1000 => 0,
  7. 	5000 => 200);
  8.  
  9.  
  10.  
  11. for($z = 0; $z++; $z <= count($bills)) {
  12. 	if($bills[$z] == 0){
  13. 		unset($bills[$z]);
  14. 	}
  15. }
  16.  
  17. echo $bills[2];
Success #stdin #stdout #stderr 0.01s 82880KB
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Standard input is empty
stdout
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Standard output is empty
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PHP Notice:  Undefined offset: 2 in /home/uLJPhT/prog.php on line 17
https://ideone.com/Dtw40D
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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