PHP Indonesia - Facebook: mau nanya nih...function untuk generate kode...tpi...

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mau nanya nih...function untuk generate kode...tpi... Aug 24th 2013, 14:06, by Chang Sherly Chang Sherly 2:06pm Aug 24 mau nanya nih...function untuk generate kode...tpi gak jalan...selalu B0000 pdhal maunya B0001 function buatID($tabel, $inisial){ $struktur = mysql_query("select * from $tabel") or die("query tidak dapat dijalankan!"); $field = mysql_field_name($struktur,0); $panjang = mysql_field_len($struktur,4); $row = mysql_num_rows($struktur); $panjanginisial = strlen($inisial); $awal = $panjanginisial + 1; $bnyk = $panjang-$panjanginisial; if ($row >= 1){ $query = mysql_query("select max(substring($field,$awal,$bnyk)) as max from $tabel") or die("query tidak dapat dijalankan!"); $hasil = mysql_fetch_assoc($query); $angka = intval($hasil['max']); } else{ $angka = 0; } $angka++; $tmp= ""; for ($i=0; $i < ($panjang-$panjanginisial-strlen($angka)) ; $i++){ $tmp = $tmp."0"; } //return hasil generate ID return strval($inisial.$tmp.$angka); } manggilnya seperti ini : $idbarang = buatID("barang","B"); mohon pencerahannya nih thx

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