PHP Test 4

Which of following variable assignment is 'by value' assignment in PHP

$value1= & $value?

$value1= $value?

None

Identify the variable scope that is not supported by PHP

Hidden variables

Global variables

Function parameters

Local variables

The output of following script would be

$somerar=15;
 function ad it () {
 GLOBAL $somevar;
 $somerar++ ;
 echo "somerar is $somerar";
 }
 addit ();

somerar is 15

somerar is 1

somerar is 16

somerar is $ somerar

Variable scope on which a variable does not loose its value when the function exists and use that value if the function is called again is

static

Local

function parameter

None of above

The left association operator % is used in PHP for

division

bitwise

percentage

modulus

The left associative dot operator (.) is used in PHP for

delimiter

concatenation

separate object and its member

multiplication

Which of the following functions require the allow-url-fopen must be enabled?

include()

require()

both of above

None of above

Trace the false statement

Including a file produces the same result as copying the data from the file specified into the location in which the statement appears.

Any code found within an included file will inherit the variable scope of the location of its caller

Because the included code will be embedded in a PHP execution block, the PHP execution block, the PHP escape tags ( aren't required on the file to be includeD.

For the inclusion of remote files the allow-url-pope must be enabled ad URL wrapper must be supported

Which function includes the specified file even the statement evaluates to false in which block the function is placed.

include ()

require ()

both of above

None of above

On failure of which statement the script execution stops displaying error/warning message?

require ()

reinclude ()

None of above

both of above

Trace the function that does continue the script execution even if the file inclusion fails

include ()

require ()

both of above

None of above

script is a

Program or sequence of instruction that is interpreted or carried out by web server only

Program or sequence of instructions that is interpreted or carried out by processor directly

Program or sequence of instruction that is interpreted or carried out by another program

None of above

When compared to the compiled program, scripts run

The execution speed is similar

Faster

Slower

All of above

PHP is a widely used _____ scripting language that is especially suited for web development and can be embedded into html.

Proprietary general purpose

Proprietary special purpose

Open source special purpose

Open source general purpose

Which of the following is not true?

PHP can not be embedded into html.

PHP applications can not be compiled.

PHP can be used to develop web applications.

PHP makes a website dynamic.

Which of the following variables is not a predefined variable?

$post

$get

$ask

$request

You can define a constant by using the define() function. Once a constant is defined

It can be changed but can not be undefined

It can never be changed but can be undefined

It can be changed and can be undefined

It can never be changed or undefined

Which of the following function returns the number of characters in a string variable?

strlen($variable)

strcount($variable)

count($variable)

len($variable)

When you need to obtain the ASCII value of a character which of the following function you apply in PHP?

val( );

chr( );

ord( );

asc( );

Which of the following delimiting method is known as string Interpolation.

delimited by single quote

delimited by <<< identifier

delimited by double quote

All of above