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  1. <?php
  2.  
  3. function isPalindrome($string) {
  4.     $stringAsArray = preg_split('/\s*/u', mb_strtolower($string), null, PREG_SPLIT_NO_EMPTY);
  5.  
  6. 	for ($i = 0; $i <= floor(count($stringAsArray) / 2); $i++) {
  7. 		if ($stringAsArray[$i] !== $stringAsArray[count($stringAsArray) - 1 - $i]) {
  8. 			return false;
  9. 		}
  10. 	}
  11. 	return true;
  12. }
  13.  
  14. assert(true === isPalindrome('Аргентина манит негра'));
  15. assert(true === isPalindrome('Аргентина анит негра'));
  16. assert(false === isPalindrome('Агрентина манит негра'));
  17. assert(false === isPalindrome('abbca'));
  18. assert(true === isPalindrome('абвба'));
  19. assert(true === isPalindrome('абба'));
Success #stdin #stdout 0.01s 52488KB
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stdout 
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https://ideone.com/rjayPX
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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