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  1. <?php
  2. error_reporting(-1);
  3. mb_internal_encoding('utf-8');
  4.  
  5. $text = "к роза упала на лапу Азора";
  6. $result = "палиндром";
  7. $negativeResult = "не палиндром";
  8.  
  9. $text = mb_strtolower($text);
  10. $text = str_replace(" ", "", $text);
  11.  
  12. $length = floor(mb_strlen($text) / 2);
  13. $from1 = 0;
  14. $from2 = -1;
  15.  
  16. for ($i = 0; $i <= $length; $i ++) {
  17.  
  18. 	$letter1 = mb_substr($text, $from1, 1);
  19. 	$letter2 = mb_substr($text, $from2, 1);
  20.  
  21. 	if ($letter1 == $letter2) {
  22. 		echo "$letter1 - $letter2 \n";
  23. 	$from1 ++;
  24. 	$from2 --;
  25.  
  26. 	} else{
  27. 		echo "$letter1 - $letter2 \n\n$negativeResult";
  28. 		exit;
  29. 	}
  30. 	}
  31.  
  32. echo "$result";
  33.  
Success #stdin #stdout 0.02s 52472KB
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stdin
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к - а 

не палиндром
https://ideone.com/4Cvfvm
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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