PHP OPERATORS AND EXPRESSIONS QUIZ

What will be the output of the following PHP code ? print "echo hello world";

nothing

hello world

echo hello world

error

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What will be the output of the following PHP code ? $x = 3.5; $y = 2; $z = 2; echo $x / $y / $z;

Error

0.875

3.5

1.75

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What will be the output of the following PHP code ? $i = 10; $j = 0; if ($i || ($j = $i + 10)) { echo "true"; } echo $j;

20

0

true0

true20

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What will be the output of the following PHP code ? echo $red;

Error

Nothing

0

True

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PHP will automatically convert strings to numbers when it needs to.

TRUE

FALSE

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If you do something to an integer that makes it larger than the maximum allowable integer or smaller than the minimum possible integer, the PHP interpreter converts the result into a . . . . .

String

Floating point number

None of above

Integers

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What will be the output of the following PHP code ? $one = "Hello"; $two = "World"; echo "$one$two";

Hello

HelloWorld

$one$two

Error

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What will be the output of the following PHP code ? $color = "red"; $color = "green"; echo "$color";

red green

red

error

green

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What will be the output of the following PHP code ? < ? php < ? php echo "Hello world"; ? > ? >

Nothing

Hello world

Hello

Error

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

15

05

06

16

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What will be the output of the following PHP code ?<br/>print "echo hello world";

What will be the output of the following PHP code ?<br/>$x = 3.5;<br/>$y = 2;<br/>$z = 2;<br/>echo $x / $y / $z;

What will be the output of the following PHP code ?<br/>$i = 10;<br/>$j = 0;<br/>if ($i || ($j = $i + 10)) {<br/>echo "true";<br/>}<br/>echo $j;

What will be the output of the following PHP code ?<br/>echo $red;

PHP will automatically convert strings to numbers when it needs to.

If you do something to an integer that makes it larger than the maximum allowable integer or smaller than the minimum possible integer, the PHP interpreter converts the result into a . . . . .

What will be the output of the following PHP code ?<br/>$one = "Hello";<br/>$two = "World";<br/>echo "$one$two";

What will be the output of the following PHP code ?<br/>$color = "red";<br/>$color = "green";<br/>echo "$color";

What will be the output of the following PHP code ?<br/>< ? php < ? php echo "Hello world"; ? > ? >

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;<br/>print $a;