public static function getVar(array $parameters = array())
{
$requiredParams = array('inputObject', 'variableName');
$defaultParams = array('variableType' => 'string', 'defaultValue' => null, 'checkIfExists' => false, 'ignoreErrors' => false);
foreach ($requiredParams as $requiredParam) {
if (!array_key_exists($requiredParam, $parameters)) {
throw new \InvalidArgumentException(__METHOD__ . ': Parameter ' . $requiredParam . ' is required.');
}
}
foreach ($defaultParams as $defaultParam => $defaultValue) {
if (!array_key_exists($defaultParam, $parameters)) {
$parameters[$defaultParam] = $defaultValue;
}
}
// allow the GetVar to also use strings
if (!is_array($parameters['inputObject'])) {
$parameters['inputObject'] = array($parameters['variableName'] => $parameters['inputObject']);
}
$parameters['variableType'] = strtolower($parameters['variableType']);
if (!array_key_exists($parameters['variableName'], $parameters['inputObject'])) {
if ($parameters['checkIfExists']) {
return false;
}
if (!$parameters['ignoreErrors']) {
throw new \InvalidArgumentException('"' . $parameters['variableName'] . '" is not set');
}
return $parameters['defaultValue'];
} else {
if ($parameters['checkIfExists']) {
return true;
}
}
// Clean the slashes
if (get_magic_quotes_gpc()) {
if (is_array($parameters['inputObject'][$parameters['variableName']])) {
$parameters['inputObject'][$parameters['variableName']] = self::cleanMagicQuotes($parameters['inputObject'][$parameters['variableName']]);
} else {
$parameters['inputObject'][$parameters['variableName']] = stripslashes($parameters['inputObject'][$parameters['variableName']]);
}
}
switch ($parameters['variableType']) {
case 'boolean':
$value = strtolower($parameters['inputObject'][$parameters['variableName']]);
if ($value == "true" || is_numeric($value) && $value > 0) {
return true;
} else {
return false;
}
break;
case 'int':
if (!is_numeric($parameters['inputObject'][$parameters['variableName']])) {
if (!$parameters['ignoreErrors']) {
throw new \InvalidArgumentException('"' . $parameters['variableName'] . '" Incorrect type. Expected type: "' . $parameters['variableType'] . '" got "' . gettype($parameters['inputObject'][$parameters['variableName']]) . '" ("' . $parameters['inputObject'][$parameters['variableName']] . '") instead.');
}
return (int) $parameters['defaultValue'];
}
break;
case 'string':
if (!is_string($parameters['inputObject'][$parameters['variableName']])) {
if (!$parameters['ignoreErrors']) {
throw new \InvalidArgumentException('"' . $parameters['variableName'] . '" Incorrect type. Expected type: "' . $parameters['variableType'] . '" got "' . gettype($parameters['inputObject'][$parameters['variableName']]) . '" ("' . $parameters['inputObject'][$parameters['variableName']] . '") instead.');
}
return $parameters['defaultValue'];
}
break;
case 'array':
if (!is_array($parameters['inputObject'][$parameters['variableName']])) {
$newArray = array();
$newArray[] = $parameters['inputObject'][$parameters['variableName']];
return $newArray;
}
break;
default:
throw new \InvalidArgumentException(__METHOD__ . ': Variable type ' . $parameters['variableType'] . ' is not supported.');
break;
}
return $parameters['inputObject'][$parameters['variableName']];
}
