question no 2

<?php
//my own myExplode function
function myExplode($string){
    $length = strlen($string);
    $word = "";
    $words = array();
    for($i = 0; $i < $length; $i++){
        if( $string[$i] == " " || $i == $length -1 || $string[$i] == "\n"){
            if($i == $length - 1){
                $word .= $string[$i];
            }
            if(!empty($word)){
                $words[] = $word;
            }
            $word = "";
        } else{
            $word .= $string[$i];
        }
    }
    return $words;
}
//single line conversion into array
print_r(myExplode("My name \nis polo dev"));
echo '<br>';
//multi line conversion into array
$paragraph = "hello my name is shibu dev polo
I live in dhaka city
I graduated in marketing
but want to be IT professional
take care";
print_r(myExplode($paragraph));