[eluser]alejandronanez[/eluser]
Hey everybody, I found some code on the internet
here about validating 'date' type on a form, but it had some errors, so I fixed 'em up.
First you have to create a file in aplication/libraries/MY_Form_validation.php
My_Form_validation.php
Code:
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
class MY_Form_validation extends CI_Form_validation {
public $CI;
function MY_Form_validation()
{
$this->CI =& get_instance();
parent::CI_Form_validation();
}
/**
* @desc Validates a date format
* @params format,delimiter
* e.g. d/m/y,/ or y-m-d,-
*/
function valid_date($str, $params)
{
// setup
//$CI =&amp;amp;amp;amp; get_instance();
//$CI
$params = explode(',', $params);
$delimiter = $params[1];
$date_parts = explode($delimiter, $params[0]);
// get the index (0, 1 or 2) for each part
$di = $this->valid_date_part_index($date_parts, 'd');
$mi = $this->valid_date_part_index($date_parts, 'm');
$yi = $this->valid_date_part_index($date_parts, 'y');
// regex setup
$dre = "(0?1|0?2|0?3|0?4|0?5|0?6|0?7|0?8|0?9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31)";
$mre = "(0?1|0?2|0?3|0?4|0?5|0?6|0?7|0?8|0?9|10|11|12)";
$yre = "([0-9]{4})";
$red = '\\'.$delimiter; // escape delimiter for regex
$rex = "^[0]{$red}[1]{$red}[2]$";
// do replacements at correct positions
$rex = str_replace("[{$di}]", $dre, $rex);
$rex = str_replace("[{$mi}]", $mre, $rex);
$rex = str_replace("[{$yi}]", $yre, $rex);
if (ereg($rex, $str, $matches)) {
// skip 0 as it contains full match, check the date is logically valid
if (checkdate($matches[$mi + 1], $matches[$di + 1], $matches[$yi + 1])) {
return true;
} else {
// match but logically invalid
$CI->form_validation->set_message('valid_date', "Invalid Date");
return false;
}
}
// no match
$this->CI->form_validation->set_message('valid_date', "Invalid Date. Use {$params[0]}");
return false;
}
function valid_date_part_index($parts, $search) {
for ($i = 0; $i <= count($parts); $i++) {
if ($parts[$i] == $search) {
return $i;
}
}
}
}
VIEW:
Code:
<input type="text" name="date" value="<?php echo set_value('date'); ?>" size="10" />
CONTROLLER:
US:
Code:
$this->form_validation->set_rules('date', 'date', 'trim|required|valid_date[m/d/y,/]');
UK:
Code:
$this->form_validation->set_rules('date', 'date', 'trim|required|valid_date[d/m/y,/]');
Database:
Code:
$this->form_validation->set_rules('date', 'date', 'trim|required|valid_date[y-m-d,-]');
Hope you use it.
Bye everyone!
EDIT:
It has some bugs guys, I'll fix em' later.