How to get and count post variable (array) in CodeIgniter? - php

Question

I have form in view (i'm using codeigniter), in the form there's an element (array) like this code below:
<table class="table table-stripped table-bordered" id="tbl-obat">
<colgroup>
<col class="con0">
<col class="con1">
<col class="con0">
<col class="con1">
<col class="con0">
</colgroup>
<thead>
<tr>
<th>No.</th>
<th>Obat</th>
<th>Dosis</th>
<th>Satuan</th>
<th>Jumlah</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<div id="1">1</div>
<input type="hidden" name="kd_obat_1" id="kd_obat_1" class="kd_obat" value="02">
</td>
<td>
<input type="text" name="nama_obat_1" id="nama_obat_1" class="nama_obat input-large ui-autocomplete-input valid" autocomplete="off"><span role="status" aria-live="polite" class="ui-helper-hidden-accessible"></span>
</td>
<td>
<input type="text" name="dosis_1" id="dosis_1" class="dosis input-small valid">
</td>
<td>
<select name="satuan_1" id="satuan_1" class="satuan uniformselect valid" style="width:100px;">
<option name="-">Pilih Satuan</option>
<option value="KSKO-01">AMPUL</option>
<option value="KSKO-02">BUAH</option>
<option value="KSKO-03">BOTOL</option>
<option value="KSKO-04">BUNGKUS</option>
<option value="KSKO-05">KAPLET</option>
</select>
</td>
<td>
<input type="text" name="jumlah_1" id="jumlah_1" class="jumlah input-large valid">
</td>
</tr>
<tr>
<td>
<div id="2">2</div>
<input type="hidden" name="kd_obat_2" id="kd_obat_2" class="kd_obat" value="01">
</td>
<td>
<input type="text" name="nama_obat_2" id="nama_obat_2" class="nama_obat input-large ui-autocomplete-input valid" autocomplete="off"><span role="status" aria-live="polite" class="ui-helper-hidden-accessible"></span>
</td>
<td>
<input type="text" name="dosis_2" id="dosis_2" class="dosis input-small valid">
</td>
<td>
<select name="satuan_2" id="satuan_2" class="satuan uniformselect valid" style="width:100px;">
<option name="-">Pilih Satuan</option>
<option value="KSKO-01">AMPUL</option>
<option value="KSKO-02">BUAH</option>
<option value="KSKO-03">BOTOL</option>
<option value="KSKO-04">BUNGKUS</option>
<option value="KSKO-05">KAPLET</option>
</select>
</td>
<td>
<input type="text" name="jumlah_2" id="jumlah_2" class="jumlah input-large valid">
</td>
</tr>
</tbody>
</table>
How can i count an array and get post values in controller codeigniter? i try this code doesnt work :
foreach ($_POST as $key=>$val) {
$$key = $val;
}
$obat = array();
$i = 1;
while(${"nama_obat_".$i}) {
if(isset(${"nama_obat_".$i}) or !empty(${"nama_obat_".$i}) or ${"nama_obat_".$i} !== "")
{
$obat[$i]['kd_trans_pelayanan'] = $trans_id;
$obat[$i]['nama_obat'] = ${"nama_obat_".$i};
$obat[$i]['dosis'] = ${"dosis_".$i};
$obat[$i]['kd_sat_kecil_obat'] = ${"satuan_".$i};
$obat[$i]['qty'] = ${"jumlah_".$i};
$i++;
} else {
exit(1);
}
}
echo '<pre>';
print_r($obat);
Thanks in advance!
EDIT :
i need to count field with name 'kd_obat_x' where x = 1 to n, based on user input. i need algorithm to get how many variables posted based on user input and so on get the data. here's my complete code:
view.php
<h4>Step 3: Obat</h4>
<p>
<table class="table table-stripped table-bordered" id="tbl-obat">
<colgroup>
<col class="con0" />
<col class="con1" />
<col class="con0" />
<col class="con1" />
<col class="con0" />
</colgroup>
<thead>
<tr>
<th>No.</th>
<th>Obat</th>
<th>Dosis</th>
<th>Satuan</th>
<th>Jumlah</th>
</thead>
<tbody></tbody>
</table>
</p>
<p>
<i class="icon-plus icon-white"></i> Tambah
<i class="icon-trash icon-white"></i> Hapus
</p>
my.js
<script type="text/javascript">
// Autocomplete Obat
jQuery(function() {
var counter3 = 1;
var options = {
source: '<?php echo base_url(); ?>admin/autoCompleteObat',
minLength: 2,
focus: function( event, ui ) {
jQuery('#nama_obat_'+counter3).val(ui.item.value);
jQuery(this).closest('tr').find('input.kd_obat').val(ui.item.kd_obat);
},
select: function( event, ui ) {
//event.preventDefault();
jQuery('#nama_obat_'+counter3).val(ui.item.value);
jQuery(this).closest('tr').find('input.kd_obat').val(ui.item.kd_obat);
},
messages: {
noResults: ''
}
};
jQuery('input.nama_obat').live("keydown.autocomplete", function() {
jQuery(this).autocomplete(options);
});
var addInput = function() {
if (counter3 > 1){
jQuery('a#removeObat').removeAttr('disabled');
}
var inputHTML = '<tr><td><div id="'+counter3+'">'+counter3+'</div><input type="hidden" name="kd_obat_'+counter3+'" id="kd_obat_'+counter3+'" class="kd_obat" /></td><td><input type="text" name="nama_obat_'+counter3+'" id="nama_obat_'+counter3+'" class="nama_obat input-large" /></td><td><input type="text" name="dosis_'+counter3+'" id="dosis_'+counter3+'" class="dosis input-small" /></td><td><select name="satuan_'+counter3+'" id="satuan_'+counter3+'" class="satuan uniformselect" style="width:100px;"><option name="-">Pilih Satuan</option><?php foreach($list_satuan_kecil as $lsk) : ?><option value="<?php echo $lsk['kd_sat_kecil_obat']; ?>"><?php echo $lsk['sat_kecil_obat']; ?></option><?php endforeach; ?></select></td><td><input type="text" name="jumlah_'+counter3+'" id="jumlah_'+counter3+'" class="jumlah input-large" /></td></tr>';
jQuery(inputHTML).appendTo("table#tbl-obat tbody");
jQuery("input.nama_obat:last").focus();
jQuery('html, body').animate({
scrollTop: jQuery("input.nama_obat:last").offset().top
}, 2000);
counter3++;
};
var removeInput = function() {
counter3--;
if(counter3 == 1){
jQuery('a#removeObat').attr('disabled','disabled');
//alert("Minimal sisa 1!");
counter3++;
//console.log('Jika Counter == 1 :' + counter3);
}else{
jQuery("table#tbl-obat tbody tr:last").remove();
//console.log('Jika Counter != 1 :' + counter3);
}
jQuery("input.nama_obat:last").focus();
jQuery('html, body').animate({
scrollTop: jQuery("input.nama_obat:last").offset().top
}, 2000);
};
if (!jQuery("table#tbl-obat tbody").find("input.nama_obat").length) {
addInput();
}
jQuery("a#addObat").click(addInput);
jQuery("a#removeObat").click(removeInput);
});
</script>
admin.php (controller)
function autoCompleteObat()
{
if (isset($_REQUEST['term'])){
$q = strtolower($_GET['term']);
$output = $this->m_crud->get_obat($q);
$this->output->set_content_type('application/json')->set_output(json_encode($output));
}
}
/***MASTER PELAYANAN***/
function pelayanan($par1 = '', $par2 = '', $par3 = '')
{
if (!$this->session->userdata('logged_in') == true)
{
redirect('login');
}
if ($par1 == 'tambah') {
$trans_id = $this->m_crud->generate_transaksi();
$pelayanan['kd_trans_pelayanan'] = $trans_id;
$pelayanan['kd_rekam_medis'] = $this->input->post('kd_rekam_medis');
$pelayanan['tgl_pelayanan'] = $this->functions->convert_date_sql($this->input->post('tgl_pelayanan'));
$pelayanan['kd_jenis_layanan'] = $this->input->post('kd_jenis_layanan');
$pelayanan['kd_unit_pelayanan'] = $this->input->post('kd_unit_pelayanan');
$pelayanan['kd_puskesmas'] = 'P3271010101'; //$this->session->userdata('kd_puskesmas'); // harusnya diambil dari session
$pelayanan['kd_dokter'] = $this->input->post('kd_dokter');
$pelayanan['kd_petugas'] = $this->input->post('kd_petugas');
$pelayanan['kd_status_pasien'] = $this->input->post('kd_status_pasien'); // blm
$pelayanan['anamnesa'] = $this->input->post('anamnesa');
$pelayanan['cat_fisik'] = $this->input->post('cat_fisik');
$pelayanan['cat_dokter'] = $this->input->post('cat_dokter');
$pelayanan['kd_bed'] = $this->input->post('kd_bed');
$pelayanan['no_rujukan'] = $this->input->post('no_rujukan');
$pelayanan['tempat_rujukan'] = $this->input->post('tempat_rujukan');
// Pelayanan Obat
$obat = array();
$i = 1;
while(${"nama_obat_".$i}) {
if(isset(${"nama_obat_".$i}) or !empty(${"nama_obat_".$i}) or ${"nama_obat_".$i} !== ""){
$obat[$i]['kd_trans_pelayanan'] = $trans_id;
$obat[$i]['nama_obat'] = ${"nama_obat_".$i};
$obat[$i]['dosis'] = ${"dosis_".$i};
$obat[$i]['kd_sat_kecil_obat'] = ${"satuan_".$i};
$obat[$i]['qty'] = ${"jumlah_".$i};
/* insert db here */
$i++;
} else {
exit(1);
}
}
echo '<pre>';
print_r($obat);
}
}
and finally my model m_crud.php
function get_obat($q){
$this->db->select('kd_obat,nama_obat');
$this->db->like('nama_obat', $q);
$this->db->or_like('kd_obat', $q);
$query = $this->db->get('obat');
$results = array();
if($query->num_rows > 0){
$i = 1;
foreach ($query->result_array() as $row){
$results[$i]['label'] = $row['kd_obat'].' - '.$row['nama_obat']; //build an array
$results[$i]['value'] = htmlentities(stripslashes($row['nama_obat']));
$results[$i]['kd_obat'] = htmlentities(stripslashes($row['kd_obat']));
$i++;
}
}
return $results;
}

Answer 1

You can count all element with 'kd_obat_' using this code:
$count=0;
foreach($arr as $key=>$value){
$pos = strpos($key,'kd_obat_');
if($pos!==false){
$count++;
}else{
continue;
}
}
echo $count;

Answer 2

You can use following snippet for post values:
$this->input->post();
Count Array tuples:
$elements = count($this->input->post());

Answer 3

You can use input library for getting 'POST' data in codeIgniter Framework,
Please add following code in your code and you will get array in post type.
$postData = $this->input->post(); print_r($postData);exit;
Hope this will work for you.

Answer 4

Assuming that you want the values of nama_obat_1, nama_obat_2, nama_obat_3, etc
First of all you need to indicate an array in your name fields as follows
nama_obat[] for the first field, nama_obat[] for the second field and so on
optionally you can do it like this
nama_obat[1] for the first field, nama_obat[2] for the second field and so on
Then in your Controller if you var_dump() this $this->input->post('nama_obat')
will outputs an array of your values.
Then for the counting part, you can use PHP count() function.
If your $this->input->post('nama_obat'); is a one level array then you can use
count($this->input->post('nama_obat')); // or store it in a variable then count it
and if your array is a multilevel array like
array(
'foo' => 'bar',
'myfoo' => array('mybar'=> 'myfoo')
)
Then you can use
count($this->input->post('nama_obat'), COUNT_RECURSIVE); // or store it in a variable then count it