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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = 1;
print($one);
print $one;

11
Error
01
10

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This"."was"."a"."bad"."idea";

Error
This was a bad idea
Thiswasabadidea
This, was, a, bad, idea

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

12
error
10
11

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 1;
$y = 2;
if (++$x == $y++) {
echo "true ", $y, $x;
}

true 23
true 22
no output
true 33

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print "echo hello world";

nothing
echo hello world
hello world
error

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

5
0
Nothing
Error

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