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PHP Operators and Expressions

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

2
0
11
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print ++$var++;

5
3
error
4

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

555555555…infinitely
5
error
54321

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "one";
$two = "two";
print($one$two);

error
nothing
one
onetwo

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 4;
$c = fun(10,4);
function fun($a,$b) {
$b = 3;
return $a - $b + $b - $a;
}
echo $a;
echo $b;
echo $c;

4100
1400
104
410

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PHP Operators and Expressions
What will be the output of the following PHP code ?
one = 1;
two = 2;
three = 3;
four = 4;
echo "one / two + three / four";

0.75
Error
0.05
1.25

ANSWER DOWNLOAD EXAMIANS APP
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