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2025W Web Development, Programming (CS-2060-01)

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What will be the output of the following PHP code? (reminder: . is concatenation operator)

<?php

$x = "test";

$y = "this";

$z = "also";

$x .= $y .= $z ;

echo $x;

echo $y;

?>

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In PHP, which function is used to keep the session but erase all session variables stored in the current session?

 

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JavaScript does not have non-blocking I/O; Node.js does not have blocking I/O.

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In PHP, an array element that its index is missing is  __________________.

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What will be the output of the following PHP code?

<?php

define("GREETING", "PHP is a scripting language");

echo GREETING;

echo "<br>";

echo GREETING;

?>

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In PHP, when is the body of an if statement executed?

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What will be the output of the following PHP code?

<?php

$a = 10;

echo ++$a;

echo $a++;

echo $a;

echo ++$a;

?>
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In PHP, the session_start() function must appear _________.

 

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In PHP, which of the following are correct ways of creating an array? (marks will be deducted for wrong choices.)

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What will be the output of the following PHP code?

<?php

$a = "1";

switch ($a)

{

case 1:

    print "hi";

case 2:

    print "hello";

default:

    print "hi1";

}

?>

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