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  1. <?php
  2.  
  3. // your code goes here
  4. $arr = array(1 => 'bar', 2 => 'bin', 3 => 'ipsum', 4 =>'hz');
  5. $foundUnicIds = array(2, 4);
  6. 	$numeric_indexed_array = array_values($arr);
  7.  
  8. 	foreach($foundUnicIds as $eachId){
  9. 		print_r($numeric_indexed_array[$eachId]); // выводим найденную линию с результатом	
  10. 		print $eachId."\r\n";
  11. 		$eachId++;	
  12. 	}
Success #stdin #stdout #stderr 0s 82560KB
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stdin
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Standard input is empty
stdout
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ipsum2
4
stderr
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PHP Notice:  Undefined offset: 4 in /home/47wgg3/prog.php on line 9
https://ideone.com/IKruQg
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
secret

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