Answered: Create a function called file_reader()…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Create a function called file_reader() with the following parameters/arguments:
a. file_to_read
● String datatype
● Should contain the name of the file that you wish to write to
b. num_lines
● Integer datatype
● Should contain the number of lines that you would like to read from the
file

down below is what I have, im just not too sure how to indicate the 3 lines i would like read from the file:

function file_reader(string $file_to_read, int num_lines) {
$file_to_read = fopen($file_to_read, "r") or die ("unable to read file");
for ($i = 0; $i <$num_lines){
_______________________
}
}

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