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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
int $one = 1;
echo "$one";

0
1
$one
Error

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PHP Operators and Expressions
Ceil(-2.1) would be

2
-2
-3
3

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3, 4, 5, 6;
echo "$x";

Error
3
4
6

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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, $y) {
$z = $x + $y / $y + $x;
echo "$z";
}
echo $x;
echo $y;
echo $z;
fun(3, 4);

349
439
347
437

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("GREETING", "PHP is a scripting language");
echo $GREETING;

PHP is a scripting language
no output
GREETING
$GREETING

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PHP Operators and Expressions
The result of both the below expressions in PHP will be same:1) 3+4*22) (3+4)*2

FALSE
TRUE

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