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-rw-r--r--system/libraries/Form_validation.php151
1 files changed, 84 insertions, 67 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index d8bcbd62b..a34809e05 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
@@ -26,16 +26,15 @@
*/
class CI_Form_validation {
- var $CI;
- var $_field_data = array();
- var $_config_rules = array();
- var $_error_array = array();
- var $_error_messages = array();
- var $_error_prefix = '<p>';
- var $_error_suffix = '</p>';
- var $error_string = '';
- var $_safe_form_data = FALSE;
-
+ protected $CI;
+ protected $_field_data = array();
+ protected $_config_rules = array();
+ protected $_error_array = array();
+ protected $_error_messages = array();
+ protected $_error_prefix = '<p>';
+ protected $_error_suffix = '</p>';
+ protected $error_string = '';
+ protected $_safe_form_data = FALSE;
/**
* Constructor
@@ -72,7 +71,7 @@ class CI_Form_validation {
* @param string
* @return void
*/
- function set_rules($field, $label = '', $rules = '')
+ public function set_rules($field, $label = '', $rules = '')
{
// No reason to set rules if we have no POST data
if (count($_POST) == 0)
@@ -102,7 +101,7 @@ class CI_Form_validation {
}
// No fields? Nothing to do...
- if ( ! is_string($field) OR ! is_string($rules) OR $field == '')
+ if ( ! is_string($field) OR ! is_string($rules) OR $field == '')
{
return $this;
}
@@ -110,8 +109,8 @@ class CI_Form_validation {
// If the field label wasn't passed we use the field name
$label = ($label == '') ? $field : $label;
- // Is the field name an array? We test for the existence of a bracket "[" in
- // the field name to determine this. If it is an array, we break it apart
+ // Is the field name an array? We test for the existence of a bracket "[" in
+ // the field name to determine this. If it is an array, we break it apart
// into its components so that we can fetch the corresponding POST data later
if (strpos($field, '[') !== FALSE AND preg_match_all('/\[(.*?)\]/', $field, $matches))
{
@@ -155,15 +154,15 @@ class CI_Form_validation {
/**
* Set Error Message
*
- * Lets users set their own error messages on the fly. Note: The key
- * name has to match the function name that it corresponds to.
+ * Lets users set their own error messages on the fly. Note: The key
+ * name has to match the function name that it corresponds to.
*
* @access public
* @param string
* @param string
* @return string
*/
- function set_message($lang, $val = '')
+ public function set_message($lang, $val = '')
{
if ( ! is_array($lang))
{
@@ -187,7 +186,7 @@ class CI_Form_validation {
* @param string
* @return void
*/
- function set_error_delimiters($prefix = '<p>', $suffix = '</p>')
+ public function set_error_delimiters($prefix = '<p>', $suffix = '</p>')
{
$this->_error_prefix = $prefix;
$this->_error_suffix = $suffix;
@@ -206,7 +205,7 @@ class CI_Form_validation {
* @param string the field name
* @return void
*/
- function error($field = '', $prefix = '', $suffix = '')
+ public function error($field = '', $prefix = '', $suffix = '')
{
if ( ! isset($this->_field_data[$field]['error']) OR $this->_field_data[$field]['error'] == '')
{
@@ -238,7 +237,7 @@ class CI_Form_validation {
* @param string
* @return str
*/
- function error_string($prefix = '', $suffix = '')
+ public function error_string($prefix = '', $suffix = '')
{
// No errrors, validation passes!
if (count($this->_error_array) === 0)
@@ -279,9 +278,9 @@ class CI_Form_validation {
* @access public
* @return bool
*/
- function run($group = '')
+ public function run($group = '')
{
- // Do we even have any data to process? Mm?
+ // Do we even have any data to process? Mm?
if (count($_POST) == 0)
{
return FALSE;
@@ -291,7 +290,7 @@ class CI_Form_validation {
// If not, we look to see if they were assigned via a config file
if (count($this->_field_data) == 0)
{
- // No validation rules? We're done...
+ // No validation rules? We're done...
if (count($this->_config_rules) == 0)
{
return FALSE;
@@ -374,7 +373,7 @@ class CI_Form_validation {
* @param integer
* @return mixed
*/
- function _reduce_array($array, $keys, $i = 0)
+ protected function _reduce_array($array, $keys, $i = 0)
{
if (is_array($array))
{
@@ -406,7 +405,7 @@ class CI_Form_validation {
* @access private
* @return null
*/
- function _reset_post_array()
+ protected function _reset_post_array()
{
foreach ($this->_field_data as $field => $row)
{
@@ -468,7 +467,7 @@ class CI_Form_validation {
* @param integer
* @return mixed
*/
- function _execute($row, $rules, $postdata = NULL, $cycles = 0)
+ protected function _execute($row, $rules, $postdata = NULL, $cycles = 0)
{
// If the $_POST data is an array we will run a recursive call
if (is_array($postdata))
@@ -489,7 +488,7 @@ class CI_Form_validation {
if ( ! in_array('required', $rules) AND is_null($postdata))
{
// Before we bail out, does the rule contain a callback?
- if (preg_match("/(callback_\w+)/", implode(' ', $rules), $match))
+ if (preg_match("/(callback_\w+(\[.*?\])?)/", implode(' ', $rules), $match))
{
$callback = TRUE;
$rules = (array('1' => $match[1]));
@@ -648,7 +647,7 @@ class CI_Form_validation {
}
}
- // Did the rule test negatively? If so, grab the error.
+ // Did the rule test negatively? If so, grab the error.
if ($result === FALSE)
{
if ( ! isset($this->_error_messages[$rule]))
@@ -664,7 +663,7 @@ class CI_Form_validation {
}
// Is the parameter we are inserting into the error message the name
- // of another field? If so we need to grab its "field label"
+ // of another field? If so we need to grab its "field label"
if (isset($this->_field_data[$param]) AND isset($this->_field_data[$param]['label']))
{
$param = $this->_translate_fieldname($this->_field_data[$param]['label']);
@@ -695,7 +694,7 @@ class CI_Form_validation {
* @param string the field name
* @return string
*/
- function _translate_fieldname($fieldname)
+ protected function _translate_fieldname($fieldname)
{
// Do we need to translate the field name?
// We look for the prefix lang: to determine this
@@ -704,7 +703,7 @@ class CI_Form_validation {
// Grab the variable
$line = substr($fieldname, 5);
- // Were we able to translate the field name? If not we use $line
+ // Were we able to translate the field name? If not we use $line
if (FALSE === ($fieldname = $this->CI->lang->line($line)))
{
return $line;
@@ -727,7 +726,7 @@ class CI_Form_validation {
* @param string
* @return void
*/
- function set_value($field = '', $default = '')
+ public function set_value($field = '', $default = '')
{
if ( ! isset($this->_field_data[$field]))
{
@@ -735,7 +734,7 @@ class CI_Form_validation {
}
// If the data is an array output them one at a time.
- // E.g: form_input('name[]', set_value('name[]');
+ // E.g: form_input('name[]', set_value('name[]');
if (is_array($this->_field_data[$field]['postdata']))
{
return array_shift($this->_field_data[$field]['postdata']);
@@ -757,7 +756,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function set_select($field = '', $value = '', $default = FALSE)
+ public function set_select($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
@@ -801,7 +800,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function set_radio($field = '', $value = '', $default = FALSE)
+ public function set_radio($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
@@ -845,7 +844,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function set_checkbox($field = '', $value = '', $default = FALSE)
+ public function set_checkbox($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
@@ -885,7 +884,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function required($str)
+ public function required($str)
{
if ( ! is_array($str))
{
@@ -907,14 +906,14 @@ class CI_Form_validation {
* @param regex
* @return bool
*/
- function regex_match($str, $regex)
+ public function regex_match($str, $regex)
{
if ( ! preg_match($regex, $str))
{
return FALSE;
}
- return TRUE;
+ return TRUE;
}
// --------------------------------------------------------------------
@@ -927,7 +926,7 @@ class CI_Form_validation {
* @param field
* @return bool
*/
- function matches($str, $field)
+ public function matches($str, $field)
{
if ( ! isset($_POST[$field]))
{
@@ -938,6 +937,24 @@ class CI_Form_validation {
return ($str !== $field) ? FALSE : TRUE;
}
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Match one field to another
+ *
+ * @access public
+ * @param string
+ * @param field
+ * @return bool
+ */
+ public function is_unique($str, $field)
+ {
+ list($table, $field)=explode('.', $field);
+ $query = $this->CI->db->limit(1)->get_where($table, array($field => $str));
+
+ return $query->num_rows() === 0;
+ }
// --------------------------------------------------------------------
@@ -949,7 +966,7 @@ class CI_Form_validation {
* @param value
* @return bool
*/
- function min_length($str, $val)
+ public function min_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
@@ -974,7 +991,7 @@ class CI_Form_validation {
* @param value
* @return bool
*/
- function max_length($str, $val)
+ public function max_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
@@ -999,7 +1016,7 @@ class CI_Form_validation {
* @param value
* @return bool
*/
- function exact_length($str, $val)
+ public function exact_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
@@ -1023,7 +1040,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function valid_email($str)
+ public function valid_email($str)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
}
@@ -1037,7 +1054,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function valid_emails($str)
+ public function valid_emails($str)
{
if (strpos($str, ',') === FALSE)
{
@@ -1064,7 +1081,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function valid_ip($ip)
+ public function valid_ip($ip)
{
return $this->CI->input->valid_ip($ip);
}
@@ -1078,7 +1095,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function alpha($str)
+ public function alpha($str)
{
return ( ! preg_match("/^([a-z])+$/i", $str)) ? FALSE : TRUE;
}
@@ -1092,7 +1109,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function alpha_numeric($str)
+ public function alpha_numeric($str)
{
return ( ! preg_match("/^([a-z0-9])+$/i", $str)) ? FALSE : TRUE;
}
@@ -1106,7 +1123,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function alpha_dash($str)
+ public function alpha_dash($str)
{
return ( ! preg_match("/^([-a-z0-9_-])+$/i", $str)) ? FALSE : TRUE;
}
@@ -1120,7 +1137,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function numeric($str)
+ public function numeric($str)
{
return (bool)preg_match( '/^[\-+]?[0-9]*\.?[0-9]+$/', $str);
@@ -1135,7 +1152,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function is_numeric($str)
+ public function is_numeric($str)
{
return ( ! is_numeric($str)) ? FALSE : TRUE;
}
@@ -1149,7 +1166,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function integer($str)
+ public function integer($str)
{
return (bool) preg_match('/^[\-+]?[0-9]+$/', $str);
}
@@ -1163,7 +1180,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function decimal($str)
+ public function decimal($str)
{
return (bool) preg_match('/^[\-+]?[0-9]+\.[0-9]+$/', $str);
}
@@ -1177,7 +1194,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function greater_than($str, $min)
+ public function greater_than($str, $min)
{
if ( ! is_numeric($str))
{
@@ -1195,7 +1212,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function less_than($str, $max)
+ public function less_than($str, $max)
{
if ( ! is_numeric($str))
{
@@ -1207,13 +1224,13 @@ class CI_Form_validation {
// --------------------------------------------------------------------
/**
- * Is a Natural number (0,1,2,3, etc.)
+ * Is a Natural number (0,1,2,3, etc.)
*
* @access public
* @param string
* @return bool
*/
- function is_natural($str)
+ public function is_natural($str)
{
return (bool) preg_match( '/^[0-9]+$/', $str);
}
@@ -1221,13 +1238,13 @@ class CI_Form_validation {
// --------------------------------------------------------------------
/**
- * Is a Natural number, but not a zero (1,2,3, etc.)
+ * Is a Natural number, but not a zero (1,2,3, etc.)
*
* @access public
* @param string
* @return bool
*/
- function is_natural_no_zero($str)
+ public function is_natural_no_zero($str)
{
if ( ! preg_match( '/^[0-9]+$/', $str))
{
@@ -1254,7 +1271,7 @@ class CI_Form_validation {
* @param string
* @return bool
*/
- function valid_base64($str)
+ public function valid_base64($str)
{
return (bool) ! preg_match('/[^a-zA-Z0-9\/\+=]/', $str);
}
@@ -1271,7 +1288,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function prep_for_form($data = '')
+ public function prep_for_form($data = '')
{
if (is_array($data))
{
@@ -1300,7 +1317,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function prep_url($str = '')
+ public function prep_url($str = '')
{
if ($str == 'http://' OR $str == '')
{
@@ -1324,7 +1341,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function strip_image_tags($str)
+ public function strip_image_tags($str)
{
return $this->CI->input->strip_image_tags($str);
}
@@ -1338,7 +1355,7 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function xss_clean($str)
+ public function xss_clean($str)
{
return $this->CI->security->xss_clean($str);
}
@@ -1352,9 +1369,9 @@ class CI_Form_validation {
* @param string
* @return string
*/
- function encode_php_tags($str)
+ public function encode_php_tags($str)
{
- return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
+ return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
}
}