friendica/php-json-ld
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Remove duplicate objects when normalizing.

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This commit is contained in:
Dave Longley 2012-01-16 15:53:49 -05:00
parent eb7a99a45e
commit 809a4d31ce
1 changed files with 8 additions and 13 deletions
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21
jsonld.php
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@ -997,19 +997,18 @@ function _collectSubjects($input, $subjects, $bnodes)
}
/**
* Filters duplicate IRIs.
* Filters duplicate objects.
*/
class DuplicateIriFilter
class DuplicateFilter
{
public function __construct($iri)
public function __construct($obj)
{
$this->iri = $iri;
$this->obj = $obj;
}
public function filter($e)
{
return (is_object($e) and property_exists($e, '@id') and
$e->{'@id'} === $this->iri);
return (_compareObjects($e, $this->obj) === 0);
}
}
@ -1126,13 +1125,9 @@ function _flatten($parent, $parentProperty, $value, $subjects)
if($parent instanceof ArrayObject)
{
// do not add duplicate IRIs for the same property
$duplicate = false;
if(is_object($flattened) and property_exists($flattened, '@id'))
{
$duplicate = count(array_filter(
(array)$parent, array(
new DuplicateIriFilter($flattened->{'@id'}), 'filter'))) > 0;
}
$duplicate = count(array_filter(
(array)$parent, array(
new DuplicateFilter($flattened), 'filter'))) > 0;
if(!$duplicate)
{
$parent[] = $flattened;