hitung.php

<div class="page-header">
    <h1>Hasil Perhitungan</h1>
</div>
<?php
$success = false;
if($_POST){
    $next_periode = $_POST['next_periode'];
    if($next_periode==''){
        print_msg('Isikan periode');        
    } else {
        $success = true;
    }    
}   
?>
<form method="post">
    <div class="panel panel-primary">
        <div class="panel-heading">
            <h3 class="panel-title">Masukkan data periode</h3>                    
        </div>
        <div class="panel-body">
            <div class="row">
                <div class="col-md-4">
                    <div class="form-group">
                        <label>Periode <span class="text-danger">*</span></label>
                        <input class="form-control" type="number" name="next_periode" value="<?=set_value('next_periode', $db->get_var("SELECT MAX(nama_periode) + 1 FROM tb_periode"))?>" />
                    </div>
                    <button class="btn btn-primary"><span class="glyphicon glyphicon-signal"></span> Hitung</button>
                </div>
            </div>
        </div>
    </div>
</form>
<?php
$c = $db->get_results("SELECT * FROM tb_relasi WHERE nilai < 0");
if (!$PERIODE || !$JENIS):
    echo "Tampaknya anda belum mengatur periode dan jenis. Silahkan tambahkan minimal 3 periode dan 3 jenis.";
elseif ($c):
    echo "Tampaknya anda belum mengatur nilai periode. Silahkan atur pada menu <strong>Nilai Periode</strong>.";
elseif ($success):
    include 'hasil.php'; 
endif?>