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Basic PHP

Basic PHP
What will be the output of the following php code?
$num = "1";
$num1 = "2";
print $num+$num1;

Error
3
12
1+2

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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();

011
123
000
111

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Basic PHP
Which of the following php statement/statements will store 111 in variable num?
1. int $num = 111;
2. int mum = 111;
3. $num = 111;
4. 111 = $num;

Only 3
All of the mentioned
Only 1
Both 1 and 2

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Basic PHP
What will be the output of the following PHP code?
$total = "25 students";
$more = 10;
$total = $total + $more;
echo "$total";

35
35 students
Error
25 students

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

Error
12
5
1

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Basic PHP
Assigning the empty string (like ' ') to a variable automatically renders it empty.

False
True

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