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PHP Operators and Expressions

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

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

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
function fun($x = 3, $y = 4) {
$z = $x+$y/$y+$x;
echo "$z";
}
echo $x;
echo $y;
echo $z;
fun($x, $y);

349
439
43
943

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

redgreen
red green
green
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 0;
if ($i && ($j = $i + 10)) {
echo "true";
}
echo $j;

true0
10
true10
0

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

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

No 1
Yes 2
Yes 1
No 2

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