PHP For Loops Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
for ($n = 2; $n < 5; $n++)
    {
    for ($m = 2; $m < 3; $m++)
        {
        print "Interview Mania \n";
        }
    }
?>

3*1 times is printed.

What will be the output of the following PHP code ?

<?php
$k = 1;
for ($k++; $k == 1; $k = 2)
print "In for loop execute...";
print "After loop executed...\n";
 
?>

After loop executed...

What will be the output of the following PHP code ?

<?php
$s = 2;
for (1; $s == 1; $s = 2)
    {
    print "In for loop executed...";
    }
print "After for loop statement executed...\n";
?>

The loop does not run as s initialized in check statement will be zero.

What will be the output of the following PHP code ?

<?php
$s = 2;
for (1; $s == 1; $s = 2)
    {
    print "In for loop statement executed...";
    }
print "After for loop statement executed...\n";
?>

The loop never exits as the condition ++s == s is always satisfied,evaluated from right to left.

What will be the output of the following PHP code ?

<?php
for ($n = 10; $n < 45; $n++);
    print $n;
?>

The for loop has no body,it just runs till condition is satisfied.