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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. $letters1 = '';
  8. $letters2 = '';
  9.  
  10. $text = mb_strtolower($text);
  11. $text = str_replace(' ', '', $text);
  12.  
  13. $lenght = mb_strlen($text);
  14. $halfLenght = floor($lenght / 2);
  15.  
  16. for ($i = 0; $i <= $halfLenght; $i ++){
  17. 	$symbol1 = mb_substr($text, $i, 1);
  18. 	$otherSide = $lenght - $i - 1;
  19. 	$symbol2 = mb_substr($text, $otherSide, 1);
  20. 	$letters1 = $letters1 . $symbol1;
  21. 	$letters2 = $letters2 . $symbol2;
  22. 	if ($symbol1 == $symbol2){
  23. 			} else {
  24. 		break;
  25. 	}
  26. }
  27.  
  28. if ($letters1 == $letters2){
  29. 	echo "$result";
  30. } else {
  31. 	echo "Это не палиндром";
  32. }
Success #stdin #stdout 0.02s 52432KB
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Палиндром!
https://ideone.com/Rj3XQy
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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