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PHP Operators and Expressions

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

123
012
Error
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
function fun()
{
$x = 10;
echo "$x";
}
fun();
echo "$x";

0
510
Error
105

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

thiswasabadidea
nothing
error
this was a bad idea

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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";

error
hihello
hello
infinite loop

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

\
$looser
$looser
$winner$looser

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

1
0
red green
redgreen

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