PHP OPERATORS AND EXPRESSIONS QUIZ

What will be the output of the following PHP code ? $cars = array("Volvo", "BMW", "Toyota"); print $cars[2];

Toyota

BMW

Error

Volvo

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $a = 5; $b = -7; $c =0; $d = ++$a && ++$b || ++$c; print $d; print $a;

15

06

16

05

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $x = "test"; $y = "this"; $z = "also"; $x .= $y .= $z ; echo $x; echo $y;

testthis

testthisthisalso

error at line 4

testthisalsothisalso

TRUE ANSWER : ?
YOUR ANSWER : ?

PHP can automatically convert integers to floating point numbers and floating point numbers to integers.

TRUE

FALSE

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $var1 = 1 + ++5; echo $var1;

no output

6

error

7

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $a = 10; $b = 10; if ($a = 5) $b--; print $a; print $b--;

58

59

108

109

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $color1 = "red"; $color2 = "1"; echo "$color1" + "$color2";

red 1

red1

1

0

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $i = 1; if ($i++ && ($i == 1)) printf("Yesn$i"); else printf("Non$i");

No 2

Yes 2

No 1

Yes 1

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $x = 5; $y = 10; $z = "$x + $y"; echo "$z";

15

$x + $y

$z

10 + 5

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $one = "one"; $two = "two"; print($one$two);

one

onetwo

error

nothing

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ?<br/>$cars = array("Volvo", "BMW", "Toyota");<br/>print $cars[2];

What will be the output of the following PHP code ?<br/>$a = 5;<br/>$b = -7;<br/>$c =0;<br/>$d = ++$a && ++$b || ++$c;<br/>print $d;<br/>print $a;

What will be the output of the following PHP code ?<br/>$x = "test";<br/>$y = "this";<br/>$z = "also";<br/>$x .= $y .= $z ;<br/>echo $x;<br/>echo $y;

PHP can automatically convert integers to floating point numbers and floating point numbers to integers.

What will be the output of the following PHP code ?<br/>$var1 = 1 + ++5;<br/>echo $var1;

What will be the output of the following PHP code ?<br/>$a = 10;<br/>$b = 10;<br/>if ($a = 5)<br/>$b--;<br/>print $a;<br/>print $b--;

What will be the output of the following PHP code ?<br/>$color1 = "red";<br/>$color2 = "1";<br/>echo "$color1" + "$color2";

What will be the output of the following PHP code ?<br/>$i = 1;<br/>if ($i++ && ($i == 1))<br/>printf("Yesn$i");<br/>else<br/>printf("Non$i");

What will be the output of the following PHP code ?<br/>$x = 5;<br/>$y = 10;<br/>$z = "$x + $y";<br/>echo "$z";

What will be the output of the following PHP code ?<br/>$one = "one";<br/>$two = "two";<br/>print($one$two);