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Basic PHP

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

False
True

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Basic PHP
Which of the following is/are a PHP code editor?
1. Notepad
2. Notepad++
3. Adobe Dreamweaver
4. PDT

All of the mentioned
Only 3
1, 2 and 3
Only 4

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

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

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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();

000
111
123
011

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Basic PHP
What will be the output of the following code?
$foo = 'Bob';
$bar = &$foo;
$bar = "My name is $bar";
echo $bar;
echo $foo;

My name is BobMy name is Bob
My name is BobBob
My name is Bob Bob
Error

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

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

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