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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() {
$y = $GLOBALS['x'] + $GLOBALS['y'];
}
fun();
echo $y;

Error
15
10
5

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

error
0
2
192

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while (++$i && --$i) {
print $i;
}

error
1234567891011121314….infinitely
01234567891011121314…infinitely
no output

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

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

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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;

testthis
testthisthisalso
error at line 4
testthisalsothisalso

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";

Error
4 = 4 + 3 + 1
8
8 = 4 + 3 +1

ANSWER DOWNLOAD EXAMIANS APP
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