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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;

Error
10
15
5

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

error at line 4
testthis
testthisalsothisalso
testthisthisalso

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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
0.05
Error
1.25

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PHP Operators and Expressions
Ceil(-2.1) would be

-3
2
3
-2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This"."was"."a"."bad"."idea";

Error
This was a bad idea
This, was, a, bad, idea
Thiswasabadidea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print_r "Hello world"

Missing semicolon error
Nothing
Error
Hello World

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MORE MCQ ON PHP Operators and Expressions

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