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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "echo "Hello World"";

echo Hello world
echo “Hello world”
Error
Hello world

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
$y = 10;
function fun() {
$GLOBALS['y'] = $GLOBALS['x'] + $GLOBALS['y'];
}
fun();
echo $y;

15
10
5
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 1;
$k = 2;
print !(( + + $i + $j) > ($j - $k));

1
0
no output
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "/$looser";
echo $a,$b;

/$looser
$looser
$winner/$looser
/

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$on_e = 1;
$tw_o = 2;
$thre_e = 3;
$fou_r = 4;
echo $on_e / $tw_o + $thre_e / $fou_r;

0.75
1.25
0.05
Error

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

HelloWorld
World
Hello
Hello World

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