Posted By

mail_json on 08/24/06

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/ Published in: PHP

function isInteger($n) {
  if (preg_match("/[^0-^9]+/",$n) > 0) {
    return false;
  } return true;
}

Posted By: stevephp on September 9, 2009

simplified version of the above

function isInteger($n) { return !preg_match("#\D#",$n) ; }

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