/**
* Sets up the default casting functions
*
* @internal
* @return void
*/
private static function _defaultCasters()
{
self::$_defaultCasters = array("int" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
if ($var === true) {
return 1;
} else {
return 0;
}
break;
case "integer":
return $var;
break;
case "string":
if (empty($var)) {
return 0;
}
if (is_numeric($var)) {
return (int) round(\schlaus\schange\schange::castToFloat($var));
}
if (\schlaus\schange\schange::canCastTo("bool", $var)) {
return \schlaus\schange\schange::castToInt(\schlaus\schange\schange::castToBool($var));
}
break;
case "array":
if (empty($var)) {
return 0;
}
if (count($var) == 1) {
return \schlaus\schange\schange::castToInt(reset($var));
}
break;
case "double":
return (int) round($var);
break;
case "object":
if (null !== ($tmp = \schlaus\schange\schange::castToStr($var))) {
return \schlaus\schange\schange::castToInt($tmp);
}
if (null !== ($tmp = \schlaus\schange\schange::castToArr($var))) {
return \schlaus\schange\schange::castToInt($tmp);
}
return null;
break;
case "NULL":
return 0;
break;
}
return null;
}, "float" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
if ($var === true) {
return 1.0;
} else {
return 0.0;
}
break;
case "integer":
return floatval($var);
break;
case "string":
if (empty($var)) {
return 0.0;
}
if (is_numeric($var)) {
return floatval($var);
}
if (\schlaus\schange\schange::canCastTo("bool", $var)) {
return \schlaus\schange\schange::castToFloat(\schlaus\schange\schange::castToBool($var));
}
return null;
break;
case "array":
if (empty($var)) {
return 0.0;
}
if (count($var) == 1) {
return \schlaus\schange\schange::castToFloat(reset($var));
}
return null;
break;
case "double":
return $var;
break;
case "object":
if (null !== ($tmp = \schlaus\schange\schange::castToStr($var))) {
return \schlaus\schange\schange::castToFloat($tmp);
}
if (null !== ($tmp = \schlaus\schange\schange::castToArr($var))) {
return \schlaus\schange\schange::castToFloat($tmp);
}
return null;
break;
case "NULL":
return 0.0;
break;
}
return null;
}, "str" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
if ($var === true) {
return "true";
} else {
return "false";
}
break;
case "integer":
return (string) $var;
break;
case "string":
return $var;
break;
case "array":
if (empty($var)) {
return "";
}
if (count($var) == 1) {
return \schlaus\schange\schange::castToStr(reset($var));
}
$parsedStr = "";
foreach ($var as $val) {
if (null === ($parsedStr .= \schlaus\schange\schange::castToStr($val))) {
return null;
}
}
return $parsedStr;
break;
case "double":
return (string) $var;
break;
case "object":
if (method_exists($var, "__toString")) {
return (string) $var;
}
if (null !== ($tmp = \schlaus\schange\schange::castToArr($var))) {
return \schlaus\schange\schange::castToStr($tmp);
}
return null;
break;
case "NULL":
return "";
break;
}
return null;
}, "bool" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
return $var;
break;
case "integer":
return (bool) $var;
break;
case "string":
if (strtolower($var) === "true") {
return true;
}
if (strtolower($var) === "false") {
return false;
}
if (is_numeric($var)) {
return (bool) \schlaus\schange\schange::castToInt($var);
}
return null;
break;
case "array":
if (empty($var)) {
return false;
}
if (count($var) == 1) {
return \schlaus\schange\schange::castToBool(reset($var));
}
return null;
break;
case "double":
return (bool) $var;
break;
case "object":
if (null !== ($tmp = \schlaus\schange\schange::castToStr($var))) {
return \schlaus\schange\schange::castToBool($tmp);
}
if (null !== ($tmp = \schlaus\schange\schange::castToArr($var))) {
return \schlaus\schange\schange::castToBool($tmp);
}
return null;
break;
case "NULL":
return false;
break;
}
return null;
}, "arr" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
return null;
break;
case "integer":
case "double":
$arr = str_split(\schlaus\schange\schange::castToStr($var));
foreach ($arr as &$val) {
if ($val !== ".") {
$val = intval($val);
}
}
return $arr;
break;
case "string":
return str_split($var);
break;
case "array":
return $var;
break;
case "object":
return json_decode(json_encode($var), true);
break;
case "NULL":
return array();
break;
}
return null;
}, "obj" => function ($var, $currentType) {
switch ($currentType) {
case "boolean":
case "integer":
case "string":
case "double":
if (null !== ($arr = \schlaus\schange\schange::castToArr($var))) {
return \schlaus\schange\schange::castToObj($arr);
}
return null;
break;
case "array":
$obj = json_decode(json_encode($var), false);
if (is_object($obj)) {
return $obj;
}
return null;
break;
case "object":
return $var;
break;
case "NULL":
return new stdClass();
break;
}
return null;
});
}
public function testCastableList()
{
$var = "test";
$list = array("str", "arr");
$this->assertSame(schange::castable($var), $list);
}