public static function fromPhpType($phpValue)
{
if (is_numeric($phpValue)) {
return new JsonNumber($phpValue);
}
if (is_string($phpValue)) {
return new JsonString($phpValue);
}
if (is_array($phpValue)) {
if (0 !== key($phpValue)) {
$type = new JsonObject();
foreach ($phpValue as $key => $value) {
$type->add($key, self::fromPhpType($value));
}
} else {
$type = new JsonArray();
foreach ($phpValue as $key => $value) {
$type->add(self::fromPhpType($value));
}
}
return $type;
}
if (is_null($phpValue)) {
return new JsonNull();
}
if (is_bool($phpValue)) {
return new JsonBoolean($phpValue);
}
throw new \InvalidArgumentException('Unknown value type');
}
