public static function copyKeys($source, $target, $excludeKeys = null, $includeKeys = null)
{
$sourceIsObject = is_object($source);
$targetIsObject = is_object($target);
if (is_string($excludeKeys)) {
$excludeKeys = array($excludeKeys => true);
} elseif (is_array($excludeKeys)) {
$excludeKeys = ArrayTools::convertToKeyArray($excludeKeys);
}
if (is_string($includeKeys)) {
$includeKeys = array($includeKeys => true);
} elseif (is_array($includeKeys)) {
$includeKeys = ArrayTools::convertToKeyArray($includeKeys);
}
if ($includeKeys !== null && $excludeKeys === null) {
foreach ($includeKeys as $key => $foo) {
if ($sourceIsObject) {
$val = $source->{$key};
} else {
$val = $source[$key];
}
if ($targetIsObject) {
$target->{$key} = $val;
} else {
$target[$key] = $val;
}
}
} else {
$keys = array();
if ($sourceIsObject) {
foreach ($source as $key => $value) {
$keys[$key] = $value;
}
} else {
$keys =& $source;
}
foreach ($keys as $key => $val) {
$included = null;
if ($includeKeys !== null) {
$included = isset($includeKeys[$key]);
}
if ($excludeKeys !== null) {
if (isset($excludeKeys[$key]) && !$included) {
continue;
}
} else {
if ($includeKeys !== null && !$included) {
continue;
}
}
if ($targetIsObject) {
$target->{$key} = $val;
} else {
$target[$key] = $val;
}
}
}
return $target;
}
