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  1. <?php
  2.  
  3. $arrayFirst = [1,2,3,4,5];
  4. $arraySecond = [2,5,4];
  5.  
  6. $arrayFirst = array_diff($arrayFirst, $arraySecond);
  7.  
  8. foreach ($arrayFirst as $value){
  9. 	echo "ID невыполненного теста: $value\n";
  10. }
Success #stdin #stdout 0.01s 82880KB
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stdin
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Standard input is empty
stdout
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ID невыполненного теста: 1
ID невыполненного теста: 3
https://ideone.com/QTimTG
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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