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May 26th, 2019
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  1. <?php
  2. class Palindrome
  3. {
  4. public static function isPalindrome($word)
  5. {
  6. $length = strlen($word); //mendapatkan panjang karakter
  7. $mid = floor($length/2); //mendapatkan nilai tengah
  8. for($i=0;$i<$mid;$i++){
  9. //bandingkan karakter sebelah kanan dengan sebelah kiri
  10. if(strtolower($word[$i]) != strtolower($word[(int)$length-($i+1)])){
  11. return false;
  12. }
  13. }
  14. return true;
  15. }
  16. }
  17.  
  18. echo Palindrome::isPalindrome('Deleveled');
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