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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "/$looser";
echo $a,$b;

$looser
/
$winner/$looser
/$looser

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

Hello world
Error
echo Hello world
echo “Hello world”

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

5
error
555555555…infinitely
54321

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color = "red";
$color = "green";
echo "$color";

red green
green
red
error

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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();

012
Error
000
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "1";
$color2 = "1";
echo "$color1" + "$color2";

11
2
0
1

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