PHP · all questions

Operators And Expressions
practice.

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143

Questions

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Q81

What will be the output of the following PHP code ?

<?php
$x = 0;
function fun()
{
    echo $GLOBALS['x'];
    $x++;
}
fun();
fun();
fun();
?>

Select an option to see the answer and solution.

Q82

What will be the output of the following PHP code ?

<?php
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;
?>

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Q83

What will be the output of the following PHP code ?

<?php
$a = 12;
--$a;
echo $a++;
?>

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Q84

What will be the output of the following PHP code ?

<?php
$x = "test";
$y = "this";
$z = "also"; 
 $x < s p an c l a ss = " p - b l u e " > . =< / s p an >$ y .= $z ;
echo $x;
echo $y;
?>

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Q85

What will be the output of the following PHP code ?

<?php
$x = 1;
$y = 2;
if (++ $x < s p an c l a ss = " p - b l u e " >==< / s p an >$ y++)
{
    echo "true ",  $y,$ x;
}
?>

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Q86

What will be the output of the following PHP code ?

<?php
$y = 2;
$w = 4;
 $y < s p an c l a ss = " p - b l u e " > * =< / s p an >$ w /= $y;
echo  $y,$ w;
?>

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Q87

What will be the output of the following PHP code ?

<?php
$y = 2;
if ( $y < s p an c l a ss = " p - b l u e " > - - == + + < / s p an >$ y)
{
    echo $y;
}
?>

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Q88

What will be the output of the following PHP code ?

<?php
$y = 2;
if (**$y == 4)
{
    echo $y;
}
?>

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Q89

What will be the output of the following PHP code ?

<?php
$y = 2;
if (-- $y < s p an c l a ss = " p - b l u e " >==< / s p an >< s p an c l a ss = " p - r e d " > 2 < / s p an >< s p an c l a ss = " p - b l u e " > ∣∣ < / s p an >$ y xor --$y)
{
    echo $y;
}
?>

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Q90

What will be the output of the following PHP code ?

<?php
$y = 2;
if (-- $y < s p an c l a ss = " p - b l u e " ><>< / s p an > ($ y != $y++))
{
    echo $y;
}
?>

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Q91

What will be the output of the following PHP code ?


<?php
echo  $x < s p an c l a ss = " p - b l u e " > - -! = + + < / s p an >$ x;
?>

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Q92

What will be the output of the following PHP code ?

<?php
$auth = 1;
$status = 1;
if ( $r es u l t < s p an c l a ss = " p - b l u e " >= ((<! - - ? s p an - - >$ auth == 1) && ($status != 0)))
{
    print "result is $result";
}
?>

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Q93

What will be the output of the following PHP code ?

<?php
$i = 0;
while ($i = 10)
{   
    print "hi";
}
print "hello";
?>

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Q94

What will be the output of the following PHP code ?

<?php
$i = "";
while ($i = 10)
{   
    print "hi";
}
print "hello";
?>

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Q95

What will be the output of the following PHP code ?

<?php
$i = 5;
while (--$i > 0)
{   
    $i++;
    print $i;
    print "hello";
}
?>

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Q96

What will be the output of the following PHP code ?

<?php
$i = 5;
while (-- $i <span class="p-blue">></span> <span class="p-red">0</span> <span class="p-blue">&& ++</span>$ i)
{   
    print $i;
}<
?>

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Q97

What will be the output of the following PHP code ?

<?php
$i = 5;
while (-- $i < s p an c l a ss = " p - b l u e " >>< / s p an >< s p an c l a ss = " p - r e d " > 0 < / s p an >< s p an c l a ss = " p - b l u e " > ∣∣ + + < / s p an >$ i)
{   
    print $i;
}
?>

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Q98

What will be the output of the following PHP code ?

<?php
$i = 0;
while(++ $i < s p an c l a ss = " p - b l u e " > ∣∣ - - < / s p an >$ i)
{   
    print $i;
}
?>

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Q99

What will be the output of the following PHP code ?

<?php
$i = 0;
while (++ $i <span class="p-blue">&& --</span>$ i)
{   
    print $i;
}
?>

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Q100

What will be the output of the following PHP code ?

<?php
$i = 0;
while ((-- $i < s p an c l a ss = " p - b l u e " >> + + < / s p an >$ i) - 1)
{   
    print $i;
}
?>

Select an option to see the answer and solution.

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