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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
class myObject { }
define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;

error
no output
myObject::CONSTANT
test

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ($i = 10) {
print "hi";
}
print "hello";

hihello
error
hello
infinite loop

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$four4 = 4;
$three3 = 3;
$two2 = 2;
echo $four4 + $three3 / $two2 - 1;

3.5
4.5
7
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$b = 1;
$c = 4;
$a = 5;
$d = $b + $c == $a;
print $d;

5
1
0
10

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

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

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "Hello";
$two = "World";
echo $one, $two;

Hello World
World
HelloWorld
Hello

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