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  1. <?php
  2. error_reporting(-1);
  3. mb_internal_encoding('utf-8');
  4.  
  5. $text = "а 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.  
  14. for ($i = 1; $i <= $length; $i ++) {
  15.  
  16. 	$letter1 = mb_substr($text, $i, 1);
  17. 	$letter2 = mb_substr($text, -$i, 1);
  18.  
  19. 	if ($letter1 == $letter2) {
  20. 		echo "$letter1 - $letter2 \n";
  21.  
  22. 	} else{
  23. 		echo "$negativeResult";
  24. 		break;
  25. 	}
  26. 	}
  27.  
  28. echo "$result";
  29.  
Success #stdin #stdout 0.02s 52432KB
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не палиндромпалиндром
https://ideone.com/ZhowMf
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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