PHP FILTER QUIZ | EXAMIANS

Which one of the following filter is used to filter several variables with the same or different filters?

filter_var_array()

filter_input_array

filter_var()

filter_input

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following filter checks if variable of specified type exists?

filter_var_array

filter_has_var

filter_id

filter_var

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $num = "123"; if (!filter_var($num, FILTER_VALIDATE_INT)) echo("Integer is not valid"); else echo("Integer is valid");

Integer is not valid

Error

Integer is valid

No output is returned

TRUE ANSWER : ?
YOUR ANSWER : ?

How many types of filtering are present in PHP?

3

4

None

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following does not describe a validating filter?

Strict format rules

Are used to allow or disallow specified characters in a string

Returns the expected type on success or FALSE on failure

Are used to validate user input

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is/are an external data? 1. Cookies 2. Input data from a form 3. Server Variables 4. Web services data

None of the mentioned

2 and 3

Only 2

All of the mentioned

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? function convertSpace($string) { return str_replace("_", " ", $string); } $string = "Peter_is_a_great_guy!"; echo filter_var($string, FILTER_CALLBACK, array("options"=>"convertSpace"));

Peter_is_a_great_guy!

Error

Peter is a great guy!

Peterisagreatguy!

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $value = 'car'; $result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);

FALSE

TRUE

NULL

ERROR

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $var=300; $int_options = array("options"=>array ("min_range"=>0, "max_range"=>256)); if (!filter_var($var, FILTER_VALIDATE_INT, $int_options)) echo("Integer is not valid"); else echo("Integer is valid");

No output is returned

Integer is not valid

Error

Integer is valid

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following filter is used to filter several variables with the same or different filters?

Which one of the following filter checks if variable of specified type exists?

What will be the output of the following PHP code?<br/>$num = "123";<br/>if (!filter_var($num, FILTER_VALIDATE_INT))<br/>echo("Integer is not valid");<br/>else<br/>echo("Integer is valid");

How many types of filtering are present in PHP?

Which one of the following does not describe a validating filter?

Which of the following is/are an external data?<br/>1. Cookies<br/>2. Input data from a form<br/>3. Server Variables<br/>4. Web services data

What will be the output of the following PHP code?<br/>function convertSpace($string)<br/>{<br/>return str_replace("_", " ", $string);<br/>}<br/>$string = "Peter_is_a_great_guy!";<br/>echo filter_var($string, FILTER_CALLBACK, array("options"=>"convertSpace"));

What will be the output of the following PHP code?<br/>$value = 'car';<br/>$result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);

What will be the output of the following PHP code?<br/>$var=300;<br/>$int_options = array("options"=>array ("min_range"=>0, "max_range"=>256));<br/>if (!filter_var($var, FILTER_VALIDATE_INT, $int_options))<br/>echo("Integer is not valid");<br/>else<br/>echo("Integer is valid");