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  1. <?php
  2.  
  3. error_reporting(-1);
  4. mb_internal_encoding('utf-8');
  5.  
  6. $text = "А роза упала на лапу Азора";
  7. $result = 'палиндром';
  8.  
  9. $text = mb_strtolower($text);
  10. $text = str_replace(" ", "", "$text");
  11.  
  12. $length = mb_strlen($text);
  13. $halfLength = floor($length/2);
  14.  
  15. for ($i=0; $i <= $halfLength; $i++)	{
  16. 	$sumb = mb_substr($text, $i, 1);
  17. 	$i++;
  18. 	$sumb1 = mb_substr($text, -$i, 1);
  19. 		if($sumb != $sumb1)	{
  20. 			$result = "Не палиндром!\n";
  21. 		}
  22. }
  23.  
  24. echo $result;
Success #stdin #stdout 0.02s 24448KB
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палиндром
https://ideone.com/zgVyHK
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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