hi there i got a php code from some tutorial but i can't understand the use of [] in front of the variables, can someone explain this code please.
$text= "KKE68TSA76 Confirmed on 30/03/17 at 2:12PM Ksh100.00 received from 254786740098";
}
$mpesa =explode(" ", $text);
$receipt=$mpesa[0]; // Code
$pesa=$mpesa[5]; //
$p = explode("h", $pesa);
$decimal=$p[1]; // Amount with decimal
$dc = explode(".", $decimal);
$koma=$dc[0]; // Payment
$ondoa = explode(",", $koma);
$kwanza=$ondoa[0]; // Payment
$pili=$ondoa[1]; // Payment
$payment=$kwanza.$pili;
$phone=$mpesa[8]; // Phone