A PHP script should start with ___ and end with ___:

A PHP script should start with ___ and end with ___:

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1) 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;

2) What will be the output of the following PHP code?

$color = "maroon";
 $var = $color[2];
 echo "$var";

3) Which of the below symbols is a newline character?

4) PHP files have a default file extension of..

5) Which of the following PHP statements will output Hello World on the screen?

1. echo (“Hello World”);
2. print (“Hello World”);
3. printf (“Hello World”);
4. sprintf (“Hello World”);