1. PlacementQuestion
2. PHP Interview Questions
3. Online Test for PHP

Online Test for PHP

1. Parent constructors are not called implicitly if the child class defines a constructor.
   True
   False

---

2. Static methods can be call with class name and colon operator, $this is not available inside the method declared as static.
   True
   False

---

---

3. Which keyword cannot be used while defining property?
   Public
   Static
   Final
   Private

---

4. Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays).
   Float, string
   Even number, string
   String, Boolean
   Integer, string

---

---

5. Find Error/Output in follwing code:

                                
<?php

$val1 = 42;

if(ctype_digit($val1)) {

  echo "Integer";

} else {

  echo "Not Integer";

}



$val2 = '42';

if(ctype_digit($val2)) {

  echo "Integer";

} else {

  echo "Not Integer";

}

?>

                                

Not Integer Integer
Integer Not Integer
Integer Integer
Not Integer Not Integer

---

6. PHP is an open source software
   True
   False

---

7. microtime() returns _______.
   current Unix timestamp with seconds
   current Unix timestamp with nanoseconds
   current Unix timestamp with microseconds
   None of the above

---

8. How are session variables accessed through?
   $_GET
   $_POST
   $_REQUEST
   None of the above

---