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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. $text = mb_strtolower($text);
  7. $text = str_replace(" ", "", $text);
  8.  
  9. $lenght = mb_strlen($text);
  10. $halflenght = floor ($lenght / 2);
  11.  
  12. for ($i = 0; $i <= $halflenght; $i++) {
  13.  
  14. 	$symb1 = mb_substr($text, 0, $i);
  15. 	$symb2 = mb_substr($text, -$i);
  16.  
  17. 	echo "$symb1 $symb2 \n";
  18.  
  19. 	if ($symb1 <> $symb2) {
  20. 		echo "не палиндром";
  21. 		break;
  22. 	}
  23. 	}
  24.  
  25. echo "палиндром";
Success #stdin #stdout 0.02s 52472KB
comments (?)
stdin 
Standard input is empty
stdout 
 арозаупаланалапуазора 
не палиндромпалиндром
https://ideone.com/hTLms6
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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