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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print $var = ++$var;

1
0
2
3

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

infinite loop
hihello
hello
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

192
0
error
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
$y = 10;
$z = "$x + $y";
echo "$z";

10 + 5
15
$x + $y
$z

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PHP Operators and Expressions
What will be the output of the following PHP code ?
function fun() {
static $x = 0;
echo $x;
$x++;
}
fun();
fun();
fun();

111
012
Error
123

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
print $cars[2];

Error
BMW
Volvo
Toyota

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