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Alex Cabal 2018-12-29 15:21:19 -06:00
commit 28c8a3f0ba
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lib/HttpInput.php Normal file
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<?
class HttpInput{
public static function GetString(string $variable, bool $allowEmptyString = true, $default = null){ // Can't type hint return values because it might return null
$var = self::GetHttpVar($variable, HTTP_VAR_STR, GET, $default);
if(!$allowEmptyString && $var === ''){
return null;
}
return $var;
}
public static function GetInt(string $variable, $default = null){ // Can't type hint return values because it might return null
return self::GetHttpVar($variable, HTTP_VAR_INT, GET, $default);
}
public static function GetBool(string $variable, $default = null){ // Can't type hint return values because it might return null
return self::GetHttpVar($variable, HTTP_VAR_BOOL, GET, $default);
}
public static function GetDec(string $variable, $default = null){ // Can't type hint return values because it might return null
return self::GetHttpVar($variable, HTTP_VAR_DEC, GET, $default);
}
private static function GetHttpVar(string $variable, int $type, int $set, $default){
$vars = array();
switch($set){
case GET:
$vars = $_GET;
break;
case POST:
$vars = $_POST;
break;
case COOKIE:
$vars = $_COOKIE;
break;
}
if(isset($vars[$variable])){
$var = trim($vars[$variable]);
switch($type){
case HTTP_VAR_STR:
return $var;
break;
case HTTP_VAR_INT:
// Can't use ctype_digit because we may want negative integers
if(is_numeric($var) && mb_strpos($var, '.') === false){
try{
return intval($var);
}
catch(\Exception $ex){
return $default;
}
}
break;
case HTTP_VAR_BOOL:
if($var === '0' || strtolower($var) == 'false' || strtolower($var) == 'off'){
return false;
}
else{
return true;
}
break;
case HTTP_VAR_DEC:
if(is_numeric($var)){
try{
return floatval($var);
}
catch(\Exception $ex){
return $default;
}
}
break;
}
}
return $default;
}
}
?>