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  1. <?php
  2. mb_internal_encoding('utf-8');
  3. $result="Это палиндром";
  4. $badresult="Это непалиндром";
  5. $text="А роза упала на лапу Азора";
  6. $text=str_replace(" ","",$text);
  7. $text=mb_strtolower($text);
  8. $length=mb_strlen($text);
  9. $halflength=floor($length/2);
  10.  
  11.  
  12.  
  13. for($i=0;$i<=$halflength;$i++){
  14. 	 $lastElement = $length-1;
  15. 	$lastElement=$lastElement-$i;
  16. 	$firstElement=$i;
  17. 	$a=mb_substr($text, $firstElement, 1);
  18. 	$b=mb_substr($text, $lastElement, 1);
  19. 	echo $a;
  20. 	echo $b;
  21.  
  22.  
  23.  
  24. }
  25. ?>
Success #stdin #stdout 0.02s 52432KB
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ааррооззааууппааллаанн
https://ideone.com/d9HsXL
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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