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NightBits
193
system/SuperSmash/library/validation.php
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193
system/SuperSmash/library/validation.php
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<?php
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/**************************************/
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/**** SuperSmash Framework ****/
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/**** Created By SuperSmash ****/
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/**** Started on: 25-04-2012 ****/
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/**************************************/
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namespace system\library;
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if (!defined("SUPERSMASH_FRAMEWORK")){die("You cannot access this page directly!");}
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class Validation
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{
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// Our fields
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protected $fields;
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// Our field rules
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protected $field_rules;
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// A bool of whether we are debugging
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protected $debug;
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// Our running list of errors
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protected $errors;
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// Create the constructor
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public function __construct()
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{
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// Init the default values
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$this->fields = $_POST;
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$this->field_rules = array();
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$this->errors = array();
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}
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// This function is used to set the rules of certain $_POST vars
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public function set($rules)
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{
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if(!is_array($rules))
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{
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showError('no_array', array('rules', 'Validation::set'), E_ERROR);
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}
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// Add the current rules
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$this->field_rules = array_merge($this->field_rules, $rules);
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// Allow chaining here
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return $this;
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}
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// This function validates all the POST data that has rules set
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public function validate($debug = false)
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{
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// before we begin, make sure we have post data
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if(!empty($this->field_rules))
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{
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// Set our debugging
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$this->debug = $debug;
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// Validate each of the fields that have rules
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foreach($this->field_rules as $field => $rules)
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{
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// Get our array of rules to process
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$rules = explode('|', $rules);
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// Make sure that the field we are looking at exists
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if(isset($this->fields[$field]))
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{
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// Process each rule for this post var
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foreach($rules as $rule)
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{
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$result = null;
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// We will define the param as false, if preg_match
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// finds a second value, then it will overwrite this
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$param = false;
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if (preg_match("/^(.*?)\[(.*?)\]$/", $rule, $match))
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{
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$rule = $match[1];
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$param = $match[2];
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}
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// Call the function that corresponds to the rule
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if (!empty($rule))
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{
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$result = $this->$rule($this->fields[$field], $param);
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}
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// Handle errors
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if ($result === false)
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{
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$this->set_error($field, $rule);
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}
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}
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}
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}
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return (empty($this->errors));
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}
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}
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// This function returns an array of all the errors by field name
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public function get_errors() {
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if(count($this->errors) == 0)
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{
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return array();
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}
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return $this->errors;
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}
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// This function sets an error for the $field
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protected function set_error($field, $rule)
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{
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// If debugging, we want an array of all failed validations
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if($this->debug)
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{
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if(isset($this->errors[$field]))
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{
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$this->errors[$field] .= "|".$rule;
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return;
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}
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$this->errors[$field] = $rule;
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return;
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}
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$this->errors[$field] = true;
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}
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// This function determines if the string passed has any values
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public function required($string, $value = false)
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{
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if (!is_array($string))
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{
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// Trim white space and see if its still empty
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$string = trim($string);
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}
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return (!empty($string));
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}
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// This function determines if the string is a valid email
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public function email($string)
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{
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if(filter_var($string, FILTER_VALIDATE_EMAIL))
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{
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return true;
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}
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return false;
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}
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// This function determines if the string passed is numeric
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public function number($string)
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{
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return (is_numeric($string));
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}
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// This function determines if the string passed is valid URL
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public function url($string)
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{
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return (!preg_match('@^(mailto|ftp|http(s)?)://(.*)$@i', $string)) ? false : true;
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}
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// This function determines if the string passed is a float
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public function float($string)
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{
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return (is_float($string));
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}
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// This function determines if the string passed has a minimum value of $value
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public function min($string, $value)
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{
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if(!is_numeric($string))
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{
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return (strlen($string) >= $value);
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}
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return ($string >= $value);
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}
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// This function determines if the string passed has a maximum value of $value
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public function max($string, $value)
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{
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if(!is_numeric($string))
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{
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return (strlen($string) <= $value);
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}
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return ($string <= $value);
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}
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// This function determines if the string passed contains the specified pattern
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public function pattern($string, $pattern)
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{
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return (!preg_match("/".$pattern."/", $string)) ? false : true;
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}
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}
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?>
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