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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. $negative = "не палиндром";
  9. $text = mb_strtolower($text);
  10. $text = str_replace(" ", "", $text);
  11. $length = floor (mb_strlen($text) / 2);
  12.  
  13. for ($i = 1; $i <= $length; $i++){
  14. 	$letter1 = mb_substr($text, $i-1, 1);
  15. 	$letter2 = mb_substr($text, -$i, 1);
  16. 	if ($letter1 != $letter2) {
  17.  	echo "$letter1 - $letter2\n$negative";
  18.  	break;
  19.     }	
  20.     elseif ($i == $length){
  21. 	echo "$result";
  22. 	} else {
  23. 	echo "$letter1 - $letter2\n";
  24. 	}
  25. }
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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а - а
р - р
о - о
з - з
а - а
у - у
п - п
а - а
л - л
Палиндром
https://ideone.com/9YNYse
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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