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PHP Operators and Expressions

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

echo Hello world
Error
Hello world
echo “Hello world”

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 0;
function fun() {
echo $GLOBALS['x'];
$x++;
}
fun();
fun();
fun();

000
012
Error
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = -3;
$z = 11;
echo 4 + $y * $z / $x;

3.25
-3.25
-4.25
4.25

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;

11111212
11121213
11111112
11111213

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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
Thiswasabadidea
This was a bad idea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 10;
if ($a = 5)
$b--;
print $a;
print $b--;

109
108
59
58

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