Making array after explode - php

Question

I want to create an array from an input string. Before this code, I've tried explode, but the array remains length 1. Each string that I've tried is still one in array[0]. Here's my code so far:
public function word()
{
$kata = array($this->kal->getHasil());
if (!empty($kata)) {
$n = count($kata)
for ($i = 0; $i < $n; $i++) {
$imin = $i;
for ($j = $i; $j < $n; $j++) {
if ($kata[$j] < $kata[$imin]) {
$imin = $j;
}
}
$temp = $kata[$i];
$kata[$i] = $kata[$imin];
$kata[$imin] = $temp;
}
for ($i = 0; $i < $n; $i++) {
echo "$kata[$i] ";
}
}
}
public function tokenize()
{
$temp = $this->kal->getHasil();
$token = explode(" ", $temp);
return $token;
}
$hasil = $pp->tokenize();
for ($i = 0; $i < sizeof($hasil); $i++) {
$st = new stemming();
$hasil[$i] = $pp->singkatan($hasil[$i]);
$hasil[$i] = $st->stem($hasil[$i]);
$hasil[$i] = $pp->stopWord($hasil[$i]);
//echo "$hasil[$i] ";
$hb = new hitungBobot($hasil[$i]);
$hb->word();
}
How would I fix this?

Answer 1

You can use a globar var, see the code:
public function word(){ $kata = array($this->kal->getHasil());
global $output;
if(!empty($kata)){
$ar= count($kata)
$output += $ar;
}
public function tokenize() {
$temp = $this->kal->getHasil();
$token = explode(" ",$temp);
return $token;
}
$output = 0;
$hasil = $pp->tokenize();
for($i=0; $i<sizeof($hasil); $i++) {
$st = new stemming();
$hasil[$i] = $pp->singkatan($hasil[$i]);
$hasil[$i] = $st->stem($hasil[$i]);
$hasil[$i] = $pp->stopWord($hasil[$i]);
//echo "$hasil[$i] ";
$hb = new hitungBobot($hasil[$i]);
$hb->word();
}
echo $output;