current tab active on page reload in php
$(document).ready(function() {
if (location.hash) {
$("a[href='" + location.hash + "']").tab("show");
}
$(document.body).on("click", "a[data-toggle='tab']", function(event) {
location.hash = this.getAttribute("href");
});
});
$(window).on("popstate", function() {
var anchor = location.hash || $("a[data-toggle='tab']").first().attr("href");
$("a[href='" + anchor + "']").tab("show");
});