ExamVeda
Login
Home

Operators And Expressions MCQ question and answer with solution | PHP Programming

Learn Operators And Expressions MCQ Questions and answers with easy and logical explanations. Operators And Expressions MCQ in PHP programming provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-6 section-1

Each section contains 100 MCQs on Operators and Expressions in php .
51
What will be the output of the following PHP code ? 
<?php
one = 1;
two = 2;
three = 3;
four = 4;
echo "one / two + three / four";
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
Variables should start with a $ symbol, since one, two, three, four don’t begin with $ symbol we’ll get an error.
52
What will be the output of the following PHP code ? 
<?php
$on$e = 1;
$tw$o = 2;
$thre$e = 3;
$fou$r = 4;
echo "$on$e / $tw$o + $thre$e / $fou$r"; 
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
You can not use the $ in between the variable name.
53
What will be the output of the following PHP code ? 
<?php
$on_e = 1;
$tw_o = 2;
$thre_e = 3;
$fou_r = 4;
echo $on_e / $tw_o + $thre_e / $fou_r; 
?>
Discuss
Answer & Solution
Answer: Option C
Solution:
You can use _ in a variable name.
54
What will be the output of the following PHP code ? 
<?php
$On_e = 1;
$tw_o = 2;
$thre_e = 3;
$fou_r = 4;
echo $on_e / $tw_o + $thre_e / $fou_r;
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
Since the variable initialised is $On_e and the variable in the echo statement is $on_e the echo statement treats $on_e as 0;
55
What will be the output of the following PHP code ? 
<?php
echo $red;
?>
Discuss
Answer & Solution
Answer: Option B
Solution:
There will no output returned as the variable $red does not hold any value.
56
What will be the output of the following PHP code ? 
<?php
$four4 = 4;
$three3 = 3;
$two2 = 2;
echo $four4 + $three3 / $two2 - 1;
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
You can use numbers in a variable name.
57
What will be the output of the following PHP code ? 
<?php
$4four = 4;
$3three = 3;
$2two = 2;
echo $4four + $3three / $2two - 1;
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
A variable name can not start with a numeric value.
58
What will be the output of the following PHP code ? 
<?php
int $one = 1;
echo "$one";
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
Unlike other programming languages there are no data types in PHP.
59
What will be the output of the following PHP code ? 
<?php
var $one = 1;
var $two = 2;
echo $one / $two * $one / $two * $two;
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
You can not use var before a variable name.
60
What will be the output of the following PHP code ? 
<?php
$hello = "Hello World";
$bye = "Bye";
echo $hello;"$bye";
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
Since there is a semi-colon in between $hello and $bye, the line ends at $hello. However $bye would have printed if a echo was present before “$bye”.