1. Which PHP function returns true if the passed PHP variable exists? a) exists($var) b) empty($var) c) set($var) d) isset($var) e) isempty($var)

2. Which of the following is an acceptable way to create a PHP array? a) $example = new $example[10]; b) $example = new string[10]; c) $example = new array(10); d) $example = array(); e) All of the above

3. In the PHP code below, the string "cat" is a(n) ___________ ? $abc = $example["cat"]; a) array b) array value c) ordered map d) array element e) array key

4. The _____________ function in PHP returns an array of strings, each of which is a substring of main string formed by splitting it on boundaries formed by a delimiter. a) explode b) substring c) delimit d) array e) file

5. What will be the output of the following PHP code? a) Nothing (syntax error) b) country=Canada c) country=France d) country=Germany e) country=1

6. To display the second string in the following array (i.e., "France"), which of the following lines of PHP would work? a) echo $countries[1]; b) echo $countries[2]; c) echo France; d) $countries[1]; e) $countries[2];

7. What will be the output of the following PHP code?

$states = array("Canada" => array( "population" => "35,000,000", "capital" => "Ottawa"),

"France" => array( "population" => "64,600,000", "capital" => "Paris")

"Germany" => array( "population" => "82,600,000", "capital" => "Berlin") );

echo "population=" . $states["France"]["population"] . " capital=" . $states["Germany"]["capital"];

?>

1. Nothing (syntax error)
2. population=64,600,000 capital=Paris
3. population=64,600,000 capital=Berlin
4. population=82,600,000 capital=Berlin
5. population=82,600,000 . capital=Berlin

For the following question use the HTML code below

source.htm

click

<%

index.php

if ($_GET["name"] == "yes")

if ($_GET["44"] == "id")

echo "one";

else

echo "two";

else

if ($_GET["id"] == 44)

8. Which statement correctly retrieves a field named txtName from a form that uses the post method? a) $_POST["txtName"] b) $_GET[txtName"] c) $_GET["txtName"] d) $_POST[txtName] e) $_SESSION["txtName"]

source.htm

click

<%

index.php

if ($_GET["name"] == "yes")

if ($_GET["44"] == "id")

echo "one";

else

echo "two";

else

if ($_GET["id"] == 44)

echo "three";

else

echo "four";

%>

9. If the above file index.php was called by source.htm in the manner illustrated in the above box, the code fragment illustrated above would display a) one b) two c) three d) four e) five