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PHP Operators and Expressions

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;

10
15
Error
5

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 1;
$y = 2;
if (++$x == $y++) {
echo "true ", $y, $x;
}

no output
true 23
true 22
true 33

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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 + $k) < ($j - $k));

false
true
0
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

error
this was a bad idea
nothing
thiswasabadidea

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

Error
echo Hello world
Hello world
echo “Hello world”

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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

TRUE
FALSE

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