Home » PHP » Interview Questions on Operators

PHP Interview Questions on Operators - 4

Question: 1

<?php

$a = 10;

$b = $a>2?"Hi":"Bye";

echo "$b";
?>

(A) HiBye
(B) Hi
(C) Bye
(D) Error

Compiler
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 2

Which of the following operators has highest precedence?

(A) ()
(B) *
(C) /
(D) ++

Compiler
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 3

<?php
$a=0;
$b=0;

for($i=0;$i<10;$i++)
{
      if(++$a<5 && $b++<7){  }
}
echo $a." ".$b;
?>

(A) 10 10
(B) 6 4
(C) 4 10
(D) 10 4

Compiler
Level: Practionar Category: operators
[Posted by: Harshit Gupta | Allahabad India]

Question: 4

<?php
$a=122; $b=13.1;
$c=$a+$b;
$d=$a.$c;
echo $d;
?>

(A) Compiler Error
(B) 122135.1
(C) Runtime Error
(D) None of the above

Compiler
Level: Beginner Category: operators
[Posted by: beginner | GJ INDIA]