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Basic PHP MCQ question and answer with solution | PHP Programming

Learn Basic PHP MCQ Questions and answers with easy and logical explanations. Basic PHP MCQ in PHP programming provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-3 section-1

21
Which of the below symbols is a newline character?
Discuss
Answer & Solution
Answer: Option B
Solution:
PHP treats \n as newline character.
22
What will be the output of the following PHP code? 
<?php
$num = 10;
echo 'What is her age? \n She is $num years old';
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
When a string is enclosed within single quotes both variables and escape sequences will not be interpreted when the string is parsed.
23
Which of the conditional statements is/are supported by PHP? 1. if statements 2. if-else statements 3. if-elseif statements 4. switch statements
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
24
What will be the output of the following PHP code? 
<?php
$team = "arsenal";
switch ($team) 
{
case "manu":
  echo "I love man u";
case "arsenal":
  echo "I love arsenal";
case "manc":
  echo "I love manc"; 
}
?>
Discuss
Answer & Solution
Answer: Option C
Solution:
If a break statement isn’t present, all subsequent case blocks will execute until a break statement is located.
25
Which of the looping statements is/are supported by PHP?
1. for loop
2. while loop
3. do-while loop
4. foreach loop
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
26
What will be the output of the following PHP code? 
<?php
$user = array("Ashley", "Bale", "Shrek", "Blank");
for ($x=0; $x < count($user); $x++)
{
  if ($user[$x] == "Shrek") continue;
  printf ($user[$x]); 
}
?>
Discuss
Answer & Solution
Answer: Option B
Solution:
The continue statement causes execution of the current loop iteration to end and commence at the beginning of the next iteration.
27
If $a = 12 what will be returned when ($a == 12) ? 5 : 1 is executed?
Discuss
Answer & Solution
Answer: Option D
Solution:
?: is known as ternary operator. If condition is true then the part just after the ? is executed else the part after : .
28
What is the value of $a and $b after the function call? 
<?php
function doSomething( &$arg ) 
{
  $return = $arg;
  $arg += 1;
  return $return;	
}
$a = 3;
$b = doSomething( $a );
?>
Discuss
Answer & Solution
Answer: Option B
Solution:
$a is 4 and $b is 3. The former because $arg is passed by reference, the latter because the return value of the function is a copy of the initial value of the argument.
29
Who is the father of PHP?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
30
How does the identity operator === compare two values?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board