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Basic PHP

Basic PHP
What will be the output of the following PHP code?
$color = "maroon";
$var = $color[2];
echo "$var";

r
Error
$var
a

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Basic PHP
What will be the output of the following code?
function track() {
static $count = 0;
$count++;
echo $count;
}
track();
track();
track();

123
111
011
000

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Basic PHP
Which of the below statements is equivalent to $add += $add ?

$add = $add + 1
$add = $add +$add
$add = $add + $add + 1
$add = $add

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Basic PHP
Multiple namespaces cannot be defined in the same file.

FALSE
TRUE

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Basic PHP
We can use _________ to comment a single line?
1. /?
2. //
3. #
4. /* */

Only 2
2, 3 and 4
Both 2 and 4
1, 3 and 4

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Basic PHP
If $a = 12 what will be returned when ($a == 12) ? 5 : 1 is executed?

Error
1
12
5

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