Answer Posted / king

<?php

//calculate years of age (input string: YYYY-MM-DD)
function birthday ($birthday){
list($year,$month,$day) = explode("-",$birthday);
$year_diff = date("Y") - $year;
$month_diff = date("m") - $month;
$day_diff = date("d") - $day;
if ($day_diff < 0 || $month_diff < 0)
$year_diff--;
return $year_diff;
}

?>

Is it possible to protect special characters in a query string?

544

---

How is session id stored in browser?

557

---

What is the functionality of the functions strstr() and stristr()?

529

---

What is the current stable version of php? What advance thing in php7?

521

---

Why do we use htaccess

634

---

---

What are the uses of php language?

539

---

What is the difference between require_once and require in php?

561

---

What is http get and post?

535

---

What is the difference between array_map () and array_shift ()?

519

---

how to open & closing opening period in fico

1219

---

How to join multiple strings stored in an array into a single string?

514

---

What is explode() in php?

542

---

Which escape sequences can be used in single quoted strings in php?

527

---

Which is better mysql or sql?

530

---

What does $_ post mean in php?

596

---