Echo - PHP Questions and Answers

This set of PHP Multiple Choice Questions & Answers (MCQs) focuses on “Echo”.

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

```
<?php
```

echo "Hello world </br> I am learning PHP";

```
?>
```

a) Hello world
b) Hello world I am learning PHP
c)

Hello world
I am learning PHP

d) Error
View Answer

Answer: c
Explanation: The break tag is used as break line.

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

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```
<?php
```

echo "Hello world <strong>I am learning PHP</strong>"

```
?>
```

a) Hello world
b) Hello world I am learning PHP
c)

Hello world
I am learning PHP

d) Error
View Answer

Answer: b
Explanation: None.

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

```
<?php
```
```
echo "This", "was", "a", "bad", "idea";
```
```
?>
```

a) This, was, a, bad, idea
b) This was a bad idea
c) Thiswasabadidea
d) Error
View Answer

Answer: c
Explanation: In an echo statement the comma operator is used to join strings.

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

```
<?php
```
```
echo "This"."was"."a"."bad"."idea";
```
```
?>
```

a) This, was, a, bad, idea
b) This was a bad idea
c) Thiswasabadidea
d) Error
View Answer

Answer: c
Explanation: In an echo statement the dot operator is used to join strings.

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

```
<?php
```
```
echo "This","was"|"a","bad"."idea";
```
```
?>
```

a) Thiswasabadidea
b) Thiswasbadidea
c) Thiswas a badidea
d) Thiswas abadidea
View Answer

Answer: b
Explanation: You can use only comma and dot operator to join starings, other characters do not have the same function.

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

```
<?php
```
```
$one = "Hello";
```
```
$two = "World";
```
```
echo $one, $two;
```
```
?>
```

a) Hello World
b) Hello
c) World
d) HelloWorld
View Answer

Answer: d
Explanation: Echo can print two variables which are separated by a comma.

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

```
<?php
```
```
$one = "Hello";
```
```
$two = "World";
```
```
echo "$one$two";
```
```
?>
```

a) HelloWorld
b) $one$two
c) Hello
d) Error
View Answer

Answer: a
Explanation: Even though both the variables are inside the double-quotes, the value of the variable is substituted and then printed to the screen.

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

```
<?php
```
```
$one = "Hello";
```
```
$two = "World";
```
```
echo "$one"+"$two";
```
```
?>
```

a) HelloWorld
b) Hello+World
c) 0
d) Error
View Answer

Answer: c
Explanation: In an echo statement you can not use plus sign to join two strings.

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

```
<?php
```
```
echo "This is <i>India</i>";
```
```
?>
```

a) This is India
b) This is India
c) This is
d) Error
View Answer

Answer: b
Explanation: None.

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

```
<?php
```

$cars = array("Volvo", "BMW", "Toyota");

```
echo "My car is a {$cars[0]}";
```
```
?>
```

a) My car is a Volvo
b) My car is a BMW
c) My car is a Toyota
d) Error
View Answer

Answer: a
Explanation: In the echo statement the {$cars[0]} is replaced by the 1st element in cars that is Volvo.

Sanfoundry Global Education & Learning Series – PHP Programming.

To practice all questions on PHP Programming, here is complete set of 1000+ Multiple Choice Questions and Answers on PHP.

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