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  1. <?php
  2. mb_internal_encoding('utf-8');
  3. error_reporting(-1);
  4. $text="А роза упала на лапу Азора";
  5. $result="Палиндром";
  6. $text=mb_strtolower($text);
  7. $text=str_replace(" ", "", $text);
  8. $length=mb_strlen($text);
  9. $halflength=floor($length/2);
  10.  
  11. for ($i=0; $i<=$halflength; ++$i)
  12. {
  13. $symbol1=mb_substr($text, $i, 1);
  14. $symbol2=mb_substr($text,-1);
  15. if($i>0)
  16. {
  17. 	$symbol2=mb_substr($text, -($i+1),1);
  18. }
  19. if($symbol1 != $symbol2)
  20. {
  21. 	$result="Не палиндром";
  22. 	break;
  23. }
  24.  
  25. 	}
  26. 	echo $result;
  27.  
  28.  
  29.  
  30.  
  31.  
  32.  
Success #stdin #stdout 0.01s 20568KB
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Палиндром
https://ideone.com/vgMttX
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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