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PHP Operators and Expressions

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

redred
redredred
Error
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

Yes 1
No 2
No 1
Yes 2

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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();

Error
123
012
111

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1 + ++5;
echo $var1;

no output
7
error
6

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 12;
--$a;
echo $a++;

error
10
11
12

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 4;
$c = fun(10,4);
function fun($a,$b) {
$b = 3;
return $a - $b + $b - $a;
}
echo $a;
echo $b;
echo $c;

410
1400
104
4100

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