public function isEqual($a = null, $b = null)
{
list($a, $b) = self::_wrapArgs(func_get_args(), 2);
if (isset($this) && isset($this->_chained) && $this->_chained) {
$a =& $this;
}
if ($a === $b) {
return self::_wrap(true);
}
if (gettype($a) !== gettype($b)) {
return self::_wrap(false);
}
if (is_callable($a) !== is_callable($b)) {
return self::_wrap(false);
}
if ($a == $b) {
return self::_wrap(true);
}
// Objects and arrays compared by values
if (is_object($a) || is_array($a)) {
// Do either implement isEqual()?
if (is_object($a) && isset($a->isEqual)) {
return self::_wrap($a->isEqual($b));
}
if (is_object($b) && isset($b->isEqual)) {
return self::_wrap($b->isEqual($a));
}
if (is_array($a) && array_key_exists('isEqual', $a)) {
return self::_wrap($a['isEqual']($b));
}
if (is_array($b) && array_key_exists('isEqual', $b)) {
return self::_wrap($b['isEqual']($a));
}
if (count($a) !== count($b)) {
return self::_wrap(false);
}
$__ = new self();
$keys_equal = $__->isEqual($__->keys($a), $__->keys($b));
$values_equal = $__->isEqual($__->values($a), $__->values($b));
return self::_wrap($keys_equal && $values_equal);
}
return self::_wrap(false);
}
public static function isEqual($a = null, $b = null)
{
if ($a === $b) {
return true;
}
if (gettype($a) !== gettype($b)) {
return false;
}
if (is_callable($a) !== is_callable($b)) {
return false;
}
if ($a == $b) {
return true;
}
// Objects and arrays compared by values
if (is_object($a) || is_array($a)) {
// Do either implement isEqual()?
if (is_object($a) && isset($a->isEqual)) {
return $a->isEqual($b);
}
if (is_object($b) && isset($b->isEqual)) {
return $b->isEqual($a);
}
if (is_array($a) && array_key_exists('isEqual', $a)) {
return $a['isEqual']($b);
}
if (is_array($b) && array_key_exists('isEqual', $b)) {
return $b['isEqual']($a);
}
if (count($a) !== count($b)) {
return false;
}
$__ = new self();
$keys_equal = $__->isEqual($__->keys($a), $__->keys($b));
$values_equal = $__->isEqual($__->values($a), $__->values($b));
return $keys_equal && $values_equal;
}
return false;
}
