150 lines
3.7 KiB
PHP
150 lines
3.7 KiB
PHP
<?php
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/**
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* @package Campsite
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*/
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/**
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* @var array $g_inputErrors Used to store error messages.
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*/
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global $g_inputErrors;
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$g_inputErrors = array();
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/**
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* @package Campsite
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*/
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class Input {
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/**
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* Please see: {@link http://ca.php.net/manual/en/function.get-magic-quotes-gpc.php
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* this PHP.net page specifically the user note by php at kaiundina dot de},
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* for why this is so complicated.
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*
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* @param array $p_array
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* @return array
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*/
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function CleanMagicQuotes($p_array)
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{
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$gpcList = array();
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foreach ($p_array as $key => $value) {
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$decodedKey = stripslashes($key);
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if (is_array($value)) {
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$decodedValue = Input::CleanMagicQuotes($value);
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} else {
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$decodedValue = stripslashes($value);
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}
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$gpcList[$decodedKey] = $decodedValue;
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}
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return $gpcList;
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} // fn CleanMagicQuotes
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/**
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* Get an input value from the $_REQUEST array and check its type.
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* The default value is returned if the value is not defined in the $_REQUEST array,
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* or if the value does not match the required type.
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*
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* Use Input::IsValid() to check if any errors were generated.
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*
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* @param string $p_varName
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* The index into the $_REQUEST array.
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*
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* @param string $p_type
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* The type of data expected; can be 'int' or 'string'. Default is 'string'.
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*
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* @param mixed $p_defaultValue
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* The default value to return if the value is not defined in the $_REQUEST array,
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* or if the value does not match the required type.
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*
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* @param boolean $p_errorsOk
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* Set to true to ignore any errors for this variable (i.e. Input::IsValid()
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* will still return true even if there are errors for this varaible).
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*
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* @return mixed
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*/
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function Get($p_varName, $p_type = 'string', $p_defaultValue = null, $p_errorsOk = false)
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{
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global $g_inputErrors;
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if (!isset($_REQUEST[$p_varName])) {
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if (!$p_errorsOk) {
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$g_inputErrors[$p_varName] = 'not set';
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}
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return $p_defaultValue;
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}
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// Clean the slashes
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if (get_magic_quotes_gpc()) {
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if (is_array($_REQUEST[$p_varName])) {
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$_REQUEST[$p_varName] = Input::CleanMagicQuotes($_REQUEST[$p_varName]);
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}
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else {
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$_REQUEST[$p_varName] = stripslashes($_REQUEST[$p_varName]);
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}
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}
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switch (strtolower($p_type)) {
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case 'int':
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if (!is_numeric($_REQUEST[$p_varName])) {
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if (!$p_errorsOk) {
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$g_inputErrors[$p_varName] = 'Incorrect type. Expected type '.$p_type
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.', but received type '.gettype($_REQUEST[$p_varName]).'.'
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.' Value is "'.$_REQUEST[$p_varName].'".';
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}
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return $p_defaultValue;
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}
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break;
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case 'string':
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if (!is_string($_REQUEST[$p_varName])) {
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if (!$errorsOk) {
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$g_inputErrors[$p_varName] = 'Incorrect type. Expected type '.$p_type
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.', but received type '.gettype($_REQUEST[$p_varName]).'.'
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.' Value is "'.$_REQUEST[$p_varName].'".';
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}
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return $p_defaultValue;
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}
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break;
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case 'array':
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if (!is_array($_REQUEST[$p_varName])) {
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if (!$errorsOk) {
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$g_inputErrors[$p_varName] = 'Incorrect type. Expected type '.$p_type
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.', but received type '.gettype($_REQUEST[$p_varName]).'.'
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.' Value is "'.$_REQUEST[$p_varName].'".';
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}
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return $p_defaultValue;
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}
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}
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return $_REQUEST[$p_varName];
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} // fn get
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/**
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* Return FALSE if any calls to Input::Get() resulted in an error.
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* @return boolean
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*/
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function IsValid()
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{
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global $g_inputErrors;
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if (count($g_inputErrors) > 0) {
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return false;
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}
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else {
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return true;
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}
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} // fn isValid
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/**
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* Return a default error string.
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* @return string
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*/
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function GetErrorString()
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{
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global $g_inputErrors;
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ob_start();
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print_r($g_inputErrors);
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$str = ob_get_clean();
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return $str;
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} // fn GetErrorString
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} // class Input
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?>
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