i want to store readed file output in variable

Question

in PHP I want each string read by "fgets()" function in a separate variable. Below is my code

$handle = @fopen("txtfile.txt", "r");
if ($handle) {
    while (($buffer = fgets($handle, 4096)) !== false) {
        echo $buffer;
    }
    if (!feof($handle)) {
        echo "Error: unexpected fgets() fail\n";
    }
    fclose($handle);
}

An output of this code is:

I am Demo

I want this output as:

$word1 = I
$word2 = am
$word3 = Demo

Answer 1

<?php

$handle = @fopen("txtfile.txt", "r");
$text = '';
if ($handle) {
    while (($buffer = fgets($handle, 4096)) !== false) {
        $text .= $buffer;
    }
    if (!feof($handle)) {
        echo "Error: unexpected fgets() fail\n";
    }
    fclose($handle);
}

$array = explode(' ', $text);

$i = 1;

foreach ($array as $word) {
    ${"word$i"} = $word;
    $i++;
}

Now you have each word saved in a different var