PHP Coding Questions and Answers - If-Else-If-2

This set of PHP Multiple Choice Questions & Answers (MCQs) focuses on “If-Else-If-2”.

1. What will be the output of the following PHP code?

```
<?php
```
```
$x = 10;
```
```
$y = 20;
```
```
if ($x > $y + $y != 3)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: b
Explanation: Expression evaluates to true.

2. What will be the output of the following PHP code?

```
<?php
```
```
$x = 10;
```
```
$y = 20;
```
```
if ($x > $y && 1||1)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: b
Explanation: Expression evaluates to true.

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3. What will be the output of the following PHP code?

```
<?php
```
```
$x = 10;
```
```
$y = 20;
```
```
if ($x > $y && 1||1)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: b
Explanation: Expression evaluates to true.

4. What will be the output of the following PHP code?

```
<?php
```
```
if (-100)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: b
Explanation: Expression evaluates to true.

5. What will be the output of the following PHP code?

```
<?php
```
```
if (0.1)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: b
Explanation: Expression evaluates to true.

6. What will be the output of the following PHP code?

```
<?php
```
```
if (0.0)
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) how are u
b) hi
c) error
d) no output
View Answer

Answer: a
Explanation: Expression evaluates to false.

7. What will be the output of the following PHP code?

```
<?php
```
```
if (print "0")
```
```
    print "hi" ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) 0how are u
b) 0hi
c) hi
d) how are u
View Answer

Answer: b
Explanation: Expression evaluates to true as print returns 1.

8. What will be the output of the following PHP code?

```
<?php
```
```
$x = 1;
```
```
if ($x == 2)
```
```
    print "hi" ;
```
```
else if($x = 2)
```
```
    print $x;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) error
b) 2
c) hi
d) how are u
View Answer

Answer: b
Explanation: Enters if else as first condition is false and thus x is set to 2.

9. What will be the output of the following PHP code?

```
<?php
```
```
$x = 1;
```
```
if ($x = $x&0)
```
```
    print $x ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) 0
b) 1
c) error
d) how are u
View Answer

Answer: d
Explanation: x&0 is 0,thus evaluated to false.

10. What will be the output of the following PHP code?

```
<?php
```
```
$x = 1;
```
```
if ($x = $x&0)
```
```
    print $x ;
```
```
else
```
```
    print "how are u";
```
```
?>
```

a) 0
b) 1
c) error
d) how are u
View Answer

Answer: d
Explanation: x&0 is 0,thus evaluated to false.

11. What will be the output of the following PHP code?

```
<?php
```
```
$x = 1;
```
```
if ($x = $x&0)
```
```
    print $x;
```
```
else
```
```
    break;
```
```
?>
```

a) 0
b) 1
c) error
d) no output
View Answer

Answer: c
Explanation: break is not defined for a if else ladder.

12. What will be the output of the following PHP code?

```
<?php
```
```
$a = 100;
```
```
if ($a > 10)
```
```
    printf("M.S. Dhoni");
```
```
else if ($a > 20)
```
```
    printf("M.E.K Hussey");
```
```
else if($a > 30)
```
```
    printf("A.B. de villiers");
```
```
?>
```

a) M.S.Dhoni
b) M.E.K.Hussey
c)

M.S.Dhoni
M.E.K.Hussey
A.B.de villiers

d) No output
View Answer

Answer: a
Explanation: In if else if one condition is satisfied then no other condition is checked.

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