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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3.3;
$y = 2;
echo $x % $y;

Error
0
2
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print "echo hello world";

nothing
hello world
echo hello world
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 1;
$d = 1;
print ++$a + ++$a+$a++;
print $a++ + ++$b;
print ++$d + $d++ + $a++;

368
error
869
742

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PHP Operators and Expressions
The result of below two statements will be:Round(2.5)Round(-2.5)

3, -3
2, -2
3.5, -3.5
2.5, -2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$hello = "Hello World";
$bye = "Bye";
echo $hello;
"$bye";

Error
Hello World
Bye
Hello worldBye

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define('IF', 42);
echo "IF: ", IF;

No output
IF:
IF:42
ERROR

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