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  1. <?php
  2.  
  3. function isPalindrome($string)
  4. {
  5.     $middlePoint = strlen($string) / 2;
  6.     return (strcmp(substr($string, 0, $middlePoint), strrev(substr($string, -$middlePoint))) == 0);
  7. }
  8.  
  9. var_dump(isPalindrome("lol"));
  10. var_dump(isPalindrome("hello"));
  11. var_dump(isPalindrome("10021"));
  12. var_dump(isPalindrome("10001"));
  13. var_dump(isPalindrome("2001"));
  14. var_dump(isPalindrome("1001"));
Success #stdin #stdout 0.02s 26124KB
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bool(true)
bool(false)
bool(false)
bool(true)
bool(false)
bool(true)
https://ideone.com/so392Z
language:
PHP (php 7.3.5)
created:
2 years ago
visibility:
public

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