ExamVeda
Login
Home

Control Structures(Loop In PHP) MCQ question and answer with solution | PHP Programming

Learn Control Structures(Loop In PHP) MCQ Questions and answers with easy and logical explanations. Control Structures(Loop In 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-9 section-1

81
What will be the output of the following PHP code ? 
<?php
$user = array("Ashley", "Bale", "Shrek", "Blank");
for ($x=0; $x < count($user) - 1; $x++)
{
    if ($user[$x++] == "Shrek") 
    continue;
    printf ($user[$x]); 
}
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
Only Bale is printed as $x++ is done before printing and then checked.
82
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[$x]); 
}
?>
Discuss
Answer & Solution
Answer: Option B
Solution:
x is incremented only inside loop i the if condition.
83
What will be the output of the following PHP code ? 
<?php
for ($i = 0; $i % ++$i; $i++) 
{
    print"i";
}
?>
Discuss
Answer & Solution
Answer: Option B
Solution:
Loop condition is true as i%(i+1) is a float non zero value in php.
84
What will be the output of the following PHP code ? 
<?php
for ($i = 0; $i < 5; $i++) 
{
    for(; $i < 5; $i++)         
    print"i";
}
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
The i value is changed in the inner loop and reaches five, thus does not execute the second outer loop.
85
What will be the output of the following PHP code ? 
<?php
$a = array("hi", "hello", "bye");
foreach ($a as $value) 
{
    if (count($a) == 2)
    print $value;         
}
?>
Discuss
Answer & Solution
Answer: Option D
Solution:
As count($a) returns 3 the condition is always false.
86
What will be the output of the following PHP code ? 
<?php
$a = array("hi", "hello", "bye");
for (;count($a) < 5;) 
{
    if (count($a) == 3)
    print $a;               
}
?>
Discuss
Answer & Solution
Answer: Option A
Solution:
As count($a) returns 3 the condition is always true, thus it prints $a, which returns its data type.