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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 3;
$d = $a++ + ++$b;
echo $d;

5
3
4
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 0x6db7;
print $a<<6;

0x6dc0
error
1797568
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "green";
echo "$color1" . "$color2";

redgreen
green
red green
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "1";
$color3 = "grey";
echo "$color1" + "$color2" . "$color3";

0
1grey
grey
red1grey

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PHP Operators and Expressions
The result of both the below expressions in PHP will be same:1) 3+4*22) (3+4)*2

FALSE
TRUE

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = -3;
$z = 11;
echo 4 + $y * $z / $x;

-4.25
-3.25
4.25
3.25

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