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PHP Operators and Expressions

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";

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

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PHP Operators and Expressions
What will be the output of the following PHP code ?

Hello World
Nothing
Error
Missing semicolon error

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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
Thiswasabadidea
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 = 5;
{
$x = 10;
echo "$x";
}
echo "$x";

510
error
1010
105

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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;

11121213
11111112
11111212
11111213

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo 5 * 9 / 3 + 9;

3.85
24
3.7
0

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