1 

Output variable.

1. <?php

   $J = 10;

   echo 'J value is: '.$J;

   ?>

2. <?php

   $J = 10;

   echo "J value is: ".$J;

   ?>

3. <?php

   $J = 10;

   echo "J value is: "+$J;

   ?>

4. <?php

   $J = 10;

   echo "J value is: $J";

   ?>

View Answer

 2 

PHP returns...

1. array_push()

2. count()

3. array_merge()

4. join()

Explanation:

It counts the elements in array and returns numeric value.

View Answer

 3 

TRUE or FALSE return value in Comparison Operators

1. $x = (2 == 3);

2. $x = (2 === 3);

3. $x = (2 !== 3);

4. $x = (2 >= 3);

Explanation:

$x = (2 !== 3); Returns TRUE

View Answer