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authorFlorian Pritz <bluewind@server-speed.net>2011-01-28 22:51:06 +0100
committerFlorian Pritz <bluewind@server-speed.net>2011-01-28 22:58:52 +0100
commitce2b69675075444c9e40b72bcdd42ab7edbbe633 (patch)
tree2932f13b0db14fe53dc0622d888318db638a017f /system/libraries/Form_validation.php
parentb6b8a6587c399bfd89e13e92ce04ee8486688e6e (diff)
update to CI 2.0
Signed-off-by: Florian Pritz <bluewind@server-speed.net>
Diffstat (limited to 'system/libraries/Form_validation.php')
-rwxr-xr-x[-rw-r--r--]system/libraries/Form_validation.php493
1 files changed, 265 insertions, 228 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 640bf9180..fc5b82ee3 100644..100755
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -2,11 +2,11 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 4.3.2 or newer
+ * An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
@@ -25,29 +25,28 @@
* @link http://codeigniter.com/user_guide/libraries/form_validation.html
*/
class CI_Form_validation {
-
+
var $CI;
- var $_field_data = array();
+ var $_field_data = array();
var $_config_rules = array();
var $_error_array = array();
- var $_error_messages = array();
+ var $_error_messages = array();
var $_error_prefix = '<p>';
var $_error_suffix = '</p>';
var $error_string = '';
- var $_safe_form_data = FALSE;
+ var $_safe_form_data = FALSE;
/**
* Constructor
- *
- */
- function CI_Form_validation($rules = array())
- {
+ */
+ public function __construct($rules = array())
+ {
$this->CI =& get_instance();
-
+
// Validation rules can be stored in a config file.
$this->_config_rules = $rules;
-
+
// Automatically load the form helper
$this->CI->load->helper('form');
@@ -56,12 +55,12 @@ class CI_Form_validation {
{
mb_internal_encoding($this->CI->config->item('charset'));
}
-
+
log_message('debug', "Form Validation Class Initialized");
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set Rules
*
@@ -78,9 +77,9 @@ class CI_Form_validation {
// No reason to set rules if we have no POST data
if (count($_POST) == 0)
{
- return;
+ return $this;
}
-
+
// If an array was passed via the first parameter instead of indidual string
// values we cycle through it and recursively call this function.
if (is_array($field))
@@ -99,13 +98,13 @@ class CI_Form_validation {
// Here we go!
$this->set_rules($row['field'], $label, $row['rules']);
}
- return;
+ return $this;
}
-
+
// No fields? Nothing to do...
if ( ! is_string($field) OR ! is_string($rules) OR $field == '')
{
- return;
+ return $this;
}
// If the field label wasn't passed we use the field name
@@ -113,9 +112,9 @@ class CI_Form_validation {
// Is the field name an array? We test for the existence of a bracket "[" in
// the field name to determine this. If it is an array, we break it apart
- // into its components so that we can fetch the corresponding POST data later
+ // into its components so that we can fetch the corresponding POST data later
if (strpos($field, '[') !== FALSE AND preg_match_all('/\[(.*?)\]/', $field, $matches))
- {
+ {
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$x = explode('[', $field);
@@ -128,29 +127,31 @@ class CI_Form_validation {
$indexes[] = $matches['1'][$i];
}
}
-
+
$is_array = TRUE;
}
else
{
- $indexes = array();
- $is_array = FALSE;
+ $indexes = array();
+ $is_array = FALSE;
}
-
- // Build our master array
+
+ // Build our master array
$this->_field_data[$field] = array(
- 'field' => $field,
- 'label' => $label,
+ 'field' => $field,
+ 'label' => $label,
'rules' => $rules,
'is_array' => $is_array,
'keys' => $indexes,
'postdata' => NULL,
'error' => ''
);
+
+ return $this;
}
// --------------------------------------------------------------------
-
+
/**
* Set Error Message
*
@@ -168,12 +169,14 @@ class CI_Form_validation {
{
$lang = array($lang => $val);
}
-
+
$this->_error_messages = array_merge($this->_error_messages, $lang);
+
+ return $this;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set The Error Delimiter
*
@@ -183,15 +186,17 @@ class CI_Form_validation {
* @param string
* @param string
* @return void
- */
+ */
function set_error_delimiters($prefix = '<p>', $suffix = '</p>')
{
$this->_error_prefix = $prefix;
$this->_error_suffix = $suffix;
+
+ return $this;
}
// --------------------------------------------------------------------
-
+
/**
* Get Error Message
*
@@ -200,14 +205,14 @@ class CI_Form_validation {
* @access public
* @param string the field name
* @return void
- */
+ */
function error($field = '', $prefix = '', $suffix = '')
- {
+ {
if ( ! isset($this->_field_data[$field]['error']) OR $this->_field_data[$field]['error'] == '')
{
return '';
}
-
+
if ($prefix == '')
{
$prefix = $this->_error_prefix;
@@ -222,7 +227,7 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
/**
* Error String
*
@@ -232,7 +237,7 @@ class CI_Form_validation {
* @param string
* @param string
* @return str
- */
+ */
function error_string($prefix = '', $suffix = '')
{
// No errrors, validation passes!
@@ -240,7 +245,7 @@ class CI_Form_validation {
{
return '';
}
-
+
if ($prefix == '')
{
$prefix = $this->_error_prefix;
@@ -250,7 +255,7 @@ class CI_Form_validation {
{
$suffix = $this->_error_suffix;
}
-
+
// Generate the error string
$str = '';
foreach ($this->_error_array as $val)
@@ -260,12 +265,12 @@ class CI_Form_validation {
$str .= $prefix.$val.$suffix."\n";
}
}
-
+
return $str;
}
// --------------------------------------------------------------------
-
+
/**
* Run the Validator
*
@@ -273,7 +278,7 @@ class CI_Form_validation {
*
* @access public
* @return bool
- */
+ */
function run($group = '')
{
// Do we even have any data to process? Mm?
@@ -281,7 +286,7 @@ class CI_Form_validation {
{
return FALSE;
}
-
+
// Does the _field_data array containing the validation rules exist?
// If not, we look to see if they were assigned via a config file
if (count($this->_field_data) == 0)
@@ -291,10 +296,10 @@ class CI_Form_validation {
{
return FALSE;
}
-
+
// Is there a validation rule for the particular URI being accessed?
$uri = ($group == '') ? trim($this->CI->uri->ruri_string(), '/') : $group;
-
+
if ($uri != '' AND isset($this->_config_rules[$uri]))
{
$this->set_rules($this->_config_rules[$uri]);
@@ -303,7 +308,7 @@ class CI_Form_validation {
{
$this->set_rules($this->_config_rules);
}
-
+
// We're we able to set the rules correctly?
if (count($this->_field_data) == 0)
{
@@ -311,17 +316,17 @@ class CI_Form_validation {
return FALSE;
}
}
-
+
// Load the language file containing error messages
$this->CI->lang->load('form_validation');
-
- // Cycle through the rules for each field, match the
+
+ // Cycle through the rules for each field, match the
// corresponding $_POST item and test for errors
foreach ($this->_field_data as $field => $row)
- {
+ {
// Fetch the data from the corresponding $_POST array and cache it in the _field_data array.
// Depending on whether the field name is an array or a string will determine where we get it from.
-
+
if ($row['is_array'] == TRUE)
{
$this->_field_data[$field]['postdata'] = $this->_reduce_array($_POST, $row['keys']);
@@ -333,8 +338,8 @@ class CI_Form_validation {
$this->_field_data[$field]['postdata'] = $_POST[$field];
}
}
-
- $this->_execute($row, explode('|', $row['rules']), $this->_field_data[$field]['postdata']);
+
+ $this->_execute($row, explode('|', $row['rules']), $this->_field_data[$field]['postdata']);
}
// Did we end up with any errors?
@@ -347,7 +352,7 @@ class CI_Form_validation {
// Now we need to re-set the POST data with the new, processed data
$this->_reset_post_array();
-
+
// No errors, validation passes!
if ($total_errors == 0)
{
@@ -359,7 +364,7 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
/**
* Traverse a multidimensional $_POST array index until the data is found
*
@@ -368,7 +373,7 @@ class CI_Form_validation {
* @param array
* @param integer
* @return mixed
- */
+ */
function _reduce_array($array, $keys, $i = 0)
{
if (is_array($array))
@@ -389,18 +394,18 @@ class CI_Form_validation {
return $array;
}
}
-
+
return $array;
}
// --------------------------------------------------------------------
-
+
/**
* Re-populate the _POST array with our finalized and processed data
*
* @access private
* @return null
- */
+ */
function _reset_post_array()
{
foreach ($this->_field_data as $field => $row)
@@ -418,7 +423,7 @@ class CI_Form_validation {
{
// start with a reference
$post_ref =& $_POST;
-
+
// before we assign values, make a reference to the right POST key
if (count($row['keys']) == 1)
{
@@ -452,7 +457,7 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
/**
* Executes the Validation routines
*
@@ -462,21 +467,21 @@ class CI_Form_validation {
* @param mixed
* @param integer
* @return mixed
- */
+ */
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))
- {
+ {
foreach ($postdata as $key => $val)
{
$this->_execute($row, $rules, $val, $cycles);
$cycles++;
}
-
+
return;
}
-
+
// --------------------------------------------------------------------
// If the field is blank, but NOT required, no further tests are necessary
@@ -496,7 +501,7 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
// Isset Test. Typically this rule will only apply to checkboxes.
if (is_null($postdata) AND $callback == FALSE)
{
@@ -504,31 +509,31 @@ class CI_Form_validation {
{
// Set the message type
$type = (in_array('required', $rules)) ? 'required' : 'isset';
-
+
if ( ! isset($this->_error_messages[$type]))
{
if (FALSE === ($line = $this->CI->lang->line($type)))
{
$line = 'The field was not set';
- }
+ }
}
else
{
$line = $this->_error_messages[$type];
}
-
+
// Build the error message
$message = sprintf($line, $this->_translate_fieldname($row['label']));
// Save the error message
$this->_field_data[$row['field']]['error'] = $message;
-
+
if ( ! isset($this->_error_array[$row['field']]))
{
$this->_error_array[$row['field']] = $message;
}
}
-
+
return;
}
@@ -538,7 +543,7 @@ class CI_Form_validation {
foreach ($rules As $rule)
{
$_in_array = FALSE;
-
+
// We set the $postdata variable with the current data in our master array so that
// each cycle of the loop is dealing with the processed data from the last cycle
if ($row['is_array'] == TRUE AND is_array($this->_field_data[$row['field']]['postdata']))
@@ -549,7 +554,7 @@ class CI_Form_validation {
{
continue;
}
-
+
$postdata = $this->_field_data[$row['field']]['postdata'][$cycles];
$_in_array = TRUE;
}
@@ -559,32 +564,32 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
- // Is the rule a callback?
+
+ // Is the rule a callback?
$callback = FALSE;
if (substr($rule, 0, 9) == 'callback_')
{
$rule = substr($rule, 9);
$callback = TRUE;
}
-
+
// Strip the parameter (if exists) from the rule
// Rules can contain a parameter: max_length[5]
$param = FALSE;
- if (preg_match("/(.*?)\[(.*?)\]/", $rule, $match))
+ if (preg_match("/(.*?)\[(.*)\]/", $rule, $match))
{
$rule = $match[1];
$param = $match[2];
}
-
+
// Call the function that corresponds to the rule
if ($callback === TRUE)
{
if ( ! method_exists($this->CI, $rule))
- {
+ {
continue;
}
-
+
// Run the function and grab the result
$result = $this->CI->$rule($postdata, $param);
@@ -597,7 +602,7 @@ class CI_Form_validation {
{
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
-
+
// If the field isn't required and we just processed a callback we'll move on...
if ( ! in_array('required', $rules, TRUE) AND $result !== FALSE)
{
@@ -605,15 +610,15 @@ class CI_Form_validation {
}
}
else
- {
+ {
if ( ! method_exists($this, $rule))
{
- // If our own wrapper function doesn't exist we see if a native PHP function does.
+ // If our own wrapper function doesn't exist we see if a native PHP function does.
// Users can use any native PHP function call that has one param.
if (function_exists($rule))
{
$result = $rule($postdata);
-
+
if ($_in_array == TRUE)
{
$this->_field_data[$row['field']]['postdata'][$cycles] = (is_bool($result)) ? $postdata : $result;
@@ -623,7 +628,7 @@ class CI_Form_validation {
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
}
-
+
continue;
}
@@ -638,54 +643,54 @@ class CI_Form_validation {
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
}
-
+
// Did the rule test negatively? If so, grab the error.
if ($result === FALSE)
- {
+ {
if ( ! isset($this->_error_messages[$rule]))
{
if (FALSE === ($line = $this->CI->lang->line($rule)))
{
$line = 'Unable to access an error message corresponding to your field name.';
- }
+ }
}
else
{
$line = $this->_error_messages[$rule];
}
-
+
// Is the parameter we are inserting into the error message the name
// 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 = $this->_field_data[$param]['label'];
+ $param = $this->_translate_fieldname($this->_field_data[$param]['label']);
}
-
+
// Build the error message
$message = sprintf($line, $this->_translate_fieldname($row['label']), $param);
// Save the error message
$this->_field_data[$row['field']]['error'] = $message;
-
+
if ( ! isset($this->_error_array[$row['field']]))
{
$this->_error_array[$row['field']] = $message;
}
-
+
return;
}
}
}
// --------------------------------------------------------------------
-
+
/**
* Translate a field name
*
* @access private
* @param string the field name
* @return string
- */
+ */
function _translate_fieldname($fieldname)
{
// Do we need to translate the field name?
@@ -693,8 +698,8 @@ class CI_Form_validation {
if (substr($fieldname, 0, 5) == 'lang:')
{
// Grab the variable
- $line = substr($fieldname, 5);
-
+ $line = substr($fieldname, 5);
+
// Were we able to translate the field name? If not we use $line
if (FALSE === ($fieldname = $this->CI->lang->line($line)))
{
@@ -706,7 +711,7 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
/**
* Get the value from a form
*
@@ -717,19 +722,26 @@ class CI_Form_validation {
* @param string the field name
* @param string
* @return void
- */
+ */
function set_value($field = '', $default = '')
{
if ( ! isset($this->_field_data[$field]))
{
return $default;
}
-
+
+ // If the data is an array output them one at a time.
+ // E.g: form_input('name[]', set_value('name[]');
+ if (is_array($this->_field_data[$field]['postdata']))
+ {
+ return array_shift($this->_field_data[$field]['postdata']);
+ }
+
return $this->_field_data[$field]['postdata'];
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set Select
*
@@ -740,9 +752,9 @@ class CI_Form_validation {
* @param string
* @param string
* @return string
- */
+ */
function set_select($field = '', $value = '', $default = FALSE)
- {
+ {
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
if ($default === TRUE AND count($this->_field_data) === 0)
@@ -751,9 +763,9 @@ class CI_Form_validation {
}
return '';
}
-
+
$field = $this->_field_data[$field]['postdata'];
-
+
if (is_array($field))
{
if ( ! in_array($value, $field))
@@ -768,12 +780,12 @@ class CI_Form_validation {
return '';
}
}
-
+
return ' selected="selected"';
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set Radio
*
@@ -784,7 +796,7 @@ class CI_Form_validation {
* @param string
* @param string
* @return string
- */
+ */
function set_radio($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
@@ -795,9 +807,9 @@ class CI_Form_validation {
}
return '';
}
-
+
$field = $this->_field_data[$field]['postdata'];
-
+
if (is_array($field))
{
if ( ! in_array($value, $field))
@@ -812,12 +824,12 @@ class CI_Form_validation {
return '';
}
}
-
+
return ' checked="checked"';
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set Checkbox
*
@@ -828,7 +840,7 @@ class CI_Form_validation {
* @param string
* @param string
* @return string
- */
+ */
function set_checkbox($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
@@ -839,9 +851,9 @@ class CI_Form_validation {
}
return '';
}
-
+
$field = $this->_field_data[$field]['postdata'];
-
+
if (is_array($field))
{
if ( ! in_array($value, $field))
@@ -856,12 +868,12 @@ class CI_Form_validation {
return '';
}
}
-
+
return ' checked="checked"';
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Required
*
@@ -880,9 +892,29 @@ class CI_Form_validation {
return ( ! empty($str));
}
}
-
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Performs a Regular Expression match test.
+ *
+ * @access public
+ * @param string
+ * @param regex
+ * @return bool
+ */
+ function regex_match($str, $regex)
+ {
+ if ( ! preg_match($regex, $str))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+
// --------------------------------------------------------------------
-
+
/**
* Match one field to another
*
@@ -895,16 +927,16 @@ class CI_Form_validation {
{
if ( ! isset($_POST[$field]))
{
- return FALSE;
+ return FALSE;
}
-
+
$field = $_POST[$field];
return ($str !== $field) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Minimum Length
*
@@ -912,7 +944,7 @@ class CI_Form_validation {
* @param string
* @param value
* @return bool
- */
+ */
function min_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
@@ -922,14 +954,14 @@ class CI_Form_validation {
if (function_exists('mb_strlen'))
{
- return (mb_strlen($str) < $val) ? FALSE : TRUE;
+ return (mb_strlen($str) < $val) ? FALSE : TRUE;
}
-
+
return (strlen($str) < $val) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Max Length
*
@@ -937,7 +969,7 @@ class CI_Form_validation {
* @param string
* @param value
* @return bool
- */
+ */
function max_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
@@ -947,14 +979,14 @@ class CI_Form_validation {
if (function_exists('mb_strlen'))
{
- return (mb_strlen($str) > $val) ? FALSE : TRUE;
+ return (mb_strlen($str) > $val) ? FALSE : TRUE;
}
-
+
return (strlen($str) > $val) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Exact Length
*
@@ -962,7 +994,7 @@ class CI_Form_validation {
* @param string
* @param value
* @return bool
- */
+ */
function exact_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
@@ -972,42 +1004,42 @@ class CI_Form_validation {
if (function_exists('mb_strlen'))
{
- return (mb_strlen($str) != $val) ? FALSE : TRUE;
+ return (mb_strlen($str) != $val) ? FALSE : TRUE;
}
-
+
return (strlen($str) != $val) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Valid Email
*
* @access public
* @param string
* @return bool
- */
+ */
function valid_email($str)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
-
+
/**
* Valid Emails
*
* @access public
* @param string
* @return bool
- */
+ */
function valid_emails($str)
{
if (strpos($str, ',') === FALSE)
{
return $this->valid_email(trim($str));
}
-
+
foreach(explode(',', $str) as $email)
{
if (trim($email) != '' && $this->valid_email(trim($email)) === FALSE)
@@ -1015,12 +1047,12 @@ class CI_Form_validation {
return FALSE;
}
}
-
+
return TRUE;
}
// --------------------------------------------------------------------
-
+
/**
* Validate IP Address
*
@@ -1034,56 +1066,56 @@ class CI_Form_validation {
}
// --------------------------------------------------------------------
-
+
/**
* Alpha
*
* @access public
* @param string
* @return bool
- */
+ */
function alpha($str)
{
return ( ! preg_match("/^([a-z])+$/i", $str)) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Alpha-numeric
*
* @access public
* @param string
* @return bool
- */
+ */
function alpha_numeric($str)
{
return ( ! preg_match("/^([a-z0-9])+$/i", $str)) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Alpha-numeric with underscores and dashes
*
* @access public
* @param string
* @return bool
- */
+ */
function alpha_dash($str)
{
return ( ! preg_match("/^([-a-z0-9_-])+$/i", $str)) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Numeric
*
* @access public
* @param string
* @return bool
- */
+ */
function numeric($str)
{
return (bool)preg_match( '/^[\-+]?[0-9]*\.?[0-9]+$/', $str);
@@ -1092,72 +1124,72 @@ class CI_Form_validation {
// --------------------------------------------------------------------
- /**
- * Is Numeric
- *
- * @access public
- * @param string
- * @return bool
- */
- function is_numeric($str)
- {
- return ( ! is_numeric($str)) ? FALSE : TRUE;
- }
+ /**
+ * Is Numeric
+ *
+ * @access public
+ * @param string
+ * @return bool
+ */
+ function is_numeric($str)
+ {
+ return ( ! is_numeric($str)) ? FALSE : TRUE;
+ }
// --------------------------------------------------------------------
-
+
/**
* Integer
*
* @access public
* @param string
* @return bool
- */
+ */
function integer($str)
{
return (bool)preg_match( '/^[\-+]?[0-9]+$/', $str);
}
-
+
// --------------------------------------------------------------------
- /**
- * Is a Natural number (0,1,2,3, etc.)
- *
- * @access public
- * @param string
- * @return bool
- */
- function is_natural($str)
- {
- return (bool)preg_match( '/^[0-9]+$/', $str);
- }
+ /**
+ * Is a Natural number (0,1,2,3, etc.)
+ *
+ * @access public
+ * @param string
+ * @return bool
+ */
+ function is_natural($str)
+ {
+ return (bool)preg_match( '/^[0-9]+$/', $str);
+ }
// --------------------------------------------------------------------
- /**
- * Is a Natural number, but not a zero (1,2,3, etc.)
- *
- * @access public
- * @param string
- * @return bool
- */
+ /**
+ * Is a Natural number, but not a zero (1,2,3, etc.)
+ *
+ * @access public
+ * @param string
+ * @return bool
+ */
function is_natural_no_zero($str)
- {
- if ( ! preg_match( '/^[0-9]+$/', $str))
- {
- return FALSE;
- }
-
- if ($str == 0)
- {
- return FALSE;
- }
-
- return TRUE;
- }
-
+ {
+ if ( ! preg_match( '/^[0-9]+$/', $str))
+ {
+ return FALSE;
+ }
+
+ if ($str == 0)
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+
// --------------------------------------------------------------------
-
+
/**
* Valid Base64
*
@@ -1172,9 +1204,9 @@ class CI_Form_validation {
{
return (bool) ! preg_match('/[^a-zA-Z0-9\/\+=]/', $str);
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Prep data for form
*
@@ -1193,10 +1225,10 @@ class CI_Form_validation {
{
$data[$key] = $this->prep_for_form($val);
}
-
+
return $data;
}
-
+
if ($this->_safe_form_data == FALSE OR $data === '')
{
return $data;
@@ -1204,68 +1236,73 @@ class CI_Form_validation {
return str_replace(array("'", '"', '<', '>'), array("&#39;", "&quot;", '&lt;', '&gt;'), stripslashes($data));
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Prep URL
*
* @access public
* @param string
* @return string
- */
+ */
function prep_url($str = '')
{
if ($str == 'http://' OR $str == '')
{
return '';
}
-
+
if (substr($str, 0, 7) != 'http://' && substr($str, 0, 8) != 'https://')
{
$str = 'http://'.$str;
}
-
+
return $str;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Strip Image Tags
*
* @access public
* @param string
* @return string
- */
+ */
function strip_image_tags($str)
{
return $this->CI->input->strip_image_tags($str);
}
-
+
// --------------------------------------------------------------------
-
+
/**
* XSS Clean
*
* @access public
* @param string
* @return string
- */
+ */
function xss_clean($str)
{
- return $this->CI->input->xss_clean($str);
+ if ( ! isset($this->CI->security))
+ {
+ $this->CI->load->library('security');
+ }
+
+ return $this->CI->security->xss_clean($str);
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Convert PHP tags to entities
*
* @access public
* @param string
* @return string
- */
+ */
function encode_php_tags($str)
{
return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);