public function __construct($function, $unwrap_args = true, $args = null, $arity = null, $reify_exceptions = null, $origin = null)
{
if ($origin === null) {
if (is_string($function)) {
$origin = $function;
} else {
$origin = V::ANONYMUS_FUNCTION_ORIGIN;
}
}
parent::__construct($origin);
if (is_string($function)) {
C::guardIsCallable($function);
} else {
C::guardIsClosure($function);
}
C::guardIsBool($unwrap_args);
$args = self::defaultTo($args, array());
$reify_exceptions = self::defaultTo($reify_exceptions, array());
C::guardIsArray($args);
C::guardIfNotNull($arity, "guardIsUInt");
C::guardIsArray($reify_exceptions);
foreach ($args as $key => $value) {
$args[$key] = $this->toValue($value, null);
}
if ($arity === null) {
$refl = new ReflectionFunction($function);
$this->_arity = $refl->getNumberOfParameters() - count($args);
} else {
$this->_arity = $arity - count($args);
}
if ($this->_arity < 0) {
throw new Exception("FunctionValue::__construct: more args then parameters.");
}
$this->_function = $function;
$this->_unwrap_args = $unwrap_args;
$this->_args = $args;
$this->_reify_exceptions = $reify_exceptions;
}