bilangan ganjil --> if ($bil_awal % 2 == 1)
bilangan genap --> if ($bil_awal % 2 == 0)
Berikut source code-nya:
<?php@$bil_awal = $_POST['bil_awal'];@$bil_akhir = $_POST['bil_akhir'];@$hasil = 0;?><!DOCTYPE html><html><head><title>Menjumlahkan Bilangan Genap</title></head><body><form method="POST"><table><tr><td>Input bilangan awal</td><td>=</td><td><input name="bil_awal" type="text" value="<?php echo $bil_awal; ?>"/></td></tr><tr><td>Input bilangan akhir</td><td>=</td><td><input name="bil_akhir" type="text" value="<?php echo $bil_akhir; ?>"/></td></tr><tr><td><input name="submit" type="submit" value="SUBMIT"/><br/><br/></td></tr></table><?phpwhile ($bil_awal <= $bil_akhir) {if ($bil_awal % 2 == 0) {echo $bil_awal."<br/>";$hasil = $hasil + $bil_awal;}$bil_awal++;}echo "=====+<br/>".$hasil;?></form></body></html>
Hasil akhirnya adalah sebagai berikut:
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