PHP files have a default file extension of..

PHP files have a default file extension of..

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1) Which statement will output $x on the screen?

2) Which of the conditional statements is/are supported by PHP?

1. if statements
2. if-else statements
3. if-elseif statements
4. switch statements

3) 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”);

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

5) 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;