Explore topic-wise MCQs in Php.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

1.

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

A. Error
B. Interview_Mania_is_good_for_interview_preparation!
C. Nothing
D. InterviewManiaisgoodforinterviewpreparation!
E. Interview Mania is good for interview preparation!
Answer» E. Interview Mania is good for interview preparation!
Discussion
2.

What will be the output of the following PHP code?<?php$var = 'vehicle';$Res = filter_var($var, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);echo $Res;?>

A. Error
B. Null
C. True
D. False
E. None of these
Answer» C. True
Discussion
3.

What will be the output of the following PHP code?<?php$n=256;$int_opt = array("opt"=>array ("min"=>0, "max"=>256));if (!filter_var($n, FILTER_VALIDATE_INT, $int_opt))echo("Given Integer is not valid");elseecho("Given Integer is valid");?>

A. Given Integer is valid
B. Error
C. Given Integer is not valid
D. Nothing
E. None of these
Answer» B. Error
Discussion
4.

What will be the output of the following PHP code?<?php$n = "102030";if (!filter_var($n, FILTER_VALIDATE_INT))echo("Given Integer is not valid");elseecho("Above Integer is valid");?>

A. Error
B. Nothing
C. Given Integer is valid
D. Given Integer is not valid
E. None of these
Answer» D. Given Integer is not valid
Discussion