2 date input validation php with condition

Question

i want to validate 2 date input in codeigniter, with the conditions, if the end date is greater than the start date, will appear warning [javascript warning or something] or data can't be input

my form like this,

<h1><?php echo $title; ?></h1>
<form action="<?= base_url(); ?>index.php/admin/kalender/buat" method="post" enctype="multipart/form-data" name="form" id="form">
<?php
echo "<p><label for='IDKategori'>Tingkatan Pimpinan :</label><br/>";
echo form_dropdown('IDKategori', $kategori) . "</p>";

echo "<label for='ptitle'>Kegiatan / Lokasi :</label><br/>";
$data = array('class' => 'validate[required] text-input', 'name' => 'judul', 'id' => 'ptitle', 'size' => 80);
echo form_input($data);

echo "<p><label for='long'>Uraian Kegiatan / Keterangan / Catatan :</label><br/>";
$data = array('class' => 'validate[required] text-input', 'name' => 'konten', 'rows' => '13', 'cols' => '60', 'style' => 'width: 60%');
echo form_textarea($data) . "</p>";

echo "<p><label for='ptitle'>Waktu Mulai :</label><br/>";
$data = array('class' => 'validate[required] text-input', 'name' => 'TanggalMulai', 'id' => 'basic_example_1');
echo form_input($data) . "</p>";

echo "<p><label for='ptitle'>Waktu Akhir :</label><br/>";
$data = array('class' => 'validate[required] text-input', 'name' => 'TanggalAkhir', 'id' => 'basic_example_2');
echo form_input($data) . "</p>";

echo form_submit('submit', 'Tambah Even');
?>
&nbsp;&nbsp;<input type="button" value="Kembali" onClick="javascript: history.go(-1)" />

how to validate in form "Waktu Akhir & Waktu Mulai" ?

You should use both, serverside (CI) and clientside (jquery) valdiation, to get a fast response to users inputs and a secure application — Philipp Michael
– Philipp Michael, Commented Jan 25, 2013 at 8:34

Fabio Antunes · Accepted Answer · 2014-05-27 15:32:07Z

6

Try this. It is by using CI validation library. It uses callback type of validation.

Put this in if(isset($_POST['submit_button_name'])) {} section. First, load validation array,

$validation = array(
  array('field' => 'startDate', 'label' => 'StartDate', 'rules' => 'required|callback_compareDate'),
  array('field' => 'endDate', 'label' => 'endDate', 'rules' => 'required|callback_compareDate'),
);

Then load CI validation library as,

$this->form_validation->set_rules($validation);
$this->form_validation->set_message('required', '%s is required.');

This is the called back function.

function compareDate() {
  $startDate = strtotime($_POST['startDate']);
  $endDate = strtotime($_POST['endDate']);

  if ($endDate >= $startDate)
    return True;
  else {
    $this->form_validation->set_message('compareDate', '%s should be greater than Contract Start Date.');
    return False;
  }
}

The "required" validation makes the fields mandatory to be filled with something. The callback function, in this case, compares the dates, and further processes the form if start date is less than from date OR flags error otherwise.

edited May 27, 2014 at 15:32

Fabio Antunes

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answered Jan 25, 2013 at 8:10

Sujit Singh

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5 Comments

Suzt Over a year ago

where the function is placed?

Suzt Over a year ago

I'm still confused the script located

Sujit Singh Over a year ago

see, except method definition, (the last code part), put everything else above it in if(isset($_POST['submit'])){}; Then put the method definition in the last.

Suzt Over a year ago

how the installation on my script above

Sujit Singh Over a year ago

@Suzt :- refer this ellislab.com/codeigniter/user-guide/libraries/…

Edwin Alex · Accepted Answer · 2013-01-25 08:20:33Z

0

Meanwhile, if you want in Jquery you can use this.

var startDate = new Date($('#startDate').val());
var endDate = new Date($('#endDate').val());

if (startDate > endDate){
       alert("Start Date should be less than End Date");
       return false;
}

answered Jan 25, 2013 at 8:20

Edwin Alex

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Comments

Ivaylo Valchev · Accepted Answer · 2018-05-09 10:31:19Z

-1

This is working code

$params['toDate'] = $this->input->post('toDate', TRUE);
$params['fromDate'] = $this->input->post('fromDate', TRUE);$this->load->model('your_model');
$this->load->library('form_validation');
$this->form_validation->set_data($params);

$startDate = strtotime($params['fromDate']);
$endDate = strtotime($params['toDate']);

if ($endDate >= $startDate):
    $this->form_validation->set_rules('fromDate', 'From Date', 'required|trim');
    $this->form_validation->set_rules('branchCode', 'Branch Code', 'required|trim');
else:
    $json = array(
        "success" => false,
        "msg" => "Start date must be greater than end date"
    );

    echo json_encode($json);
    die();
endif;

edited May 9, 2018 at 10:31

Ivaylo Valchev

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answered May 9, 2018 at 9:46

Shahid

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