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  1. <?php
  2.  
  3. error_reporting(-1);
  4. mb_internal_encoding('utf-8');
  5.  
  6. $text = "хух";
  7. $noProb = str_replace(' ','',$text);
  8. $downStr = mb_strtolower($noProb);
  9.  
  10. $length = mb_strlen($downStr);
  11. $halfLength = floor($length/2);
  12. $half1 = "";
  13. $half2 = "";
  14.  
  15. for ($i = 0;$i <= ($halfLength);$i++){
  16. 	$half1 .= mb_substr($downStr ,$i,1);
  17. }
  18. for ($ad =$length;$ad <= ($halfLength);$ad--){
  19. 	$half2 .= mb_substr($downStr,$ad,-1);
  20. }
  21. echo " раз'$half1' два'$half2'";
  22. if ($half1 = $half2){
  23. 	echo "палиндром";
  24.  
  25. }
  26. elseif($half1 != $half2){
  27. 	echo "не палиндром";
  28. }
  29.  
Success #stdin #stdout 0.01s 20520KB
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 раз'ху' два''
https://ideone.com/cYEFd4
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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