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

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

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1) What will be the output of the following php code?

 $num  = "1";
 $num1 = "2";
 print $num+$num1;
 ?>

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

3) Which of following variables can be assigned a value to it?

1. $3hello
2. $_hello
3. $this
4. $This

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

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

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”);