Which of the following is the correct syntax to write a PHP code?a) <?php ?>b) < php >c) < ? php ?>d) <? ?>

Which of the following is the correct syntax to write PHP code?Group of answer choices< ? php ?><?php ?>< php ><? ?>

What will be the output of the following PHP code?< ?php$hello = "Hello World";$bye = "Bye";echo $hello;"$bye";?>

What is a correct way to add a comment in PHP?Question 13Select one:a. <comment> </comment>b.<!-- -->c.*\ *\d./* */

Which of the conditional statements is/are supported by PHP?i) if statementsii) if-else statementsiii) if-elseif statementsiv) switch statements1.0 Marksi), ii) and iv)i), ii), iii) and iv) Only i)ii), iii) and iv)

Which one is NOT a valid PHP comparison operator?Question 18Select one:a.!=b.<>c.!<d.===