Some formatting changes.
This commit is contained in:
Dave Longley
parent
ae46860dab
commit
d0c73ec99d
199
jsonld.php
199
jsonld.php
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@ -1400,122 +1400,121 @@ class JsonLdProcessor {
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foreach($input as $e) {
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$this->_getStatements($e, $namer, $bnodes, $subjects);
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}
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return;
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}
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// safe to assume input is a subject/blank node
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else {
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$isBnode = self::_isBlankNode($input);
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// name blank node if appropriate, use passed name if given
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if($name === null) {
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if(property_exists($input, '@id')) {
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$name = $input->{'@id'};
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}
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if($isBnode) {
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$name = $namer->getName($name);
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}
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// Note: safe to assume input is a subject/blank node
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$isBnode = self::_isBlankNode($input);
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// name blank node if appropriate, use passed name if given
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if($name === null) {
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if(property_exists($input, '@id')) {
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$name = $input->{'@id'};
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}
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// use a subject of '_:a' for blank node statements
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$s = $isBnode ? '_:a' : $name;
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// get statements for the blank node
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$entries;
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if($isBnode) {
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if(!property_exists($bnodes, $name)) {
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$entries = $bnodes->{$name} = new ArrayObject();
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}
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else {
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$entries = $bnodes->{$name};
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}
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$name = $namer->getName($name);
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}
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else if(!property_exists($subjects, $name)) {
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$entries = $subjects->{$name} = new ArrayObject();
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}
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// use a subject of '_:a' for blank node statements
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$s = $isBnode ? '_:a' : $name;
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// get statements for the blank node
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if($isBnode) {
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if(!property_exists($bnodes, $name)) {
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$entries = $bnodes->{$name} = new ArrayObject();
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}
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else {
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$entries = $subjects->{$name};
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$entries = $bnodes->{$name};
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}
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}
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else if(!property_exists($subjects, $name)) {
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$entries = $subjects->{$name} = new ArrayObject();
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}
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else {
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$entries = $subjects->{$name};
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}
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// add all statements in input
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foreach($input as $p => $objects) {
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// skip @id
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if($p === '@id') {
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continue;
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}
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// add all statements in input
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foreach($input as $p => $objects) {
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// skip @id
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if($p === '@id') {
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continue;
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// convert @lists into embedded blank node linked lists
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foreach($objects as $i => $o) {
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if(self::_isListValue($o)) {
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$objects[$i] = $this->_makeLinkedList($o);
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}
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}
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foreach($objects as $o) {
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// convert boolean to @value
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if(is_bool($o)) {
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$o = (object)array(
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'@value' => ($o ? 'true' : 'false'),
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'@type' => self::XSD_BOOLEAN);
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}
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// convert double to @value
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else if(is_double($o)) {
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// do special JSON-LD double format, printf('%1.16e') equivalent
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$o = preg_replace('/(e(?:\+|-))([0-9])$/', '${1}0${2}',
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sprintf('%1.16e', $o));
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$o = (object)array('@value' => $o, '@type' => self::XSD_DOUBLE);
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}
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// convert integer to @value
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else if(is_integer($o)) {
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$o = (object)array(
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'@value' => strval($o), '@type' => self::XSD_INTEGER);
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}
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// convert @lists into embedded blank node linked lists
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foreach($objects as $i => $o) {
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if(self::_isListValue($o)) {
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$objects[$i] = $this->_makeLinkedList($o);
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}
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}
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// object is a blank node
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if(self::_isBlankNode($o)) {
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// name object position blank node
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$o_name = property_exists($o, '@id') ? $o->{'@id'} : null;
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$o_name = $namer->getName($o_name);
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foreach($objects as $o) {
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// convert boolean to @value
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if(is_bool($o)) {
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$o = (object)array(
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'@value' => ($o ? 'true' : 'false'),
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'@type' => self::XSD_BOOLEAN);
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}
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// convert double to @value
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else if(is_double($o)) {
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// do special JSON-LD double format, printf('%1.16e') equivalent
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$o = preg_replace('/(e(?:\+|-))([0-9])$/', '${1}0${2}',
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sprintf('%1.16e', $o));
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$o = (object)array('@value' => $o, '@type' => self::XSD_DOUBLE);
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}
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// convert integer to @value
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else if(is_integer($o)) {
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$o = (object)array(
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'@value' => strval($o), '@type' => self::XSD_INTEGER);
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}
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => (object)array('@id' => $o_name)));
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// object is a blank node
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if(self::_isBlankNode($o)) {
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// name object position blank node
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$o_name = property_exists($o, '@id') ? $o->{'@id'} : null;
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$o_name = $namer->getName($o_name);
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => (object)array('@id' => $o_name)));
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// add reference statement
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if(!property_exists($bnodes, $o_name)) {
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$o_entries = $bnodes->{$o_name} = new ArrayObject();
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}
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else {
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$o_entries = $bnodes->{$o_name};
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}
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$this->_addStatement(
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$o_entries, (object)array(
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's' => $name, 'p' => $p, 'o' => (object)array('@id' => '_:a')));
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// recurse into blank node
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$this->_getStatements($o, $namer, $bnodes, $subjects, $o_name);
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// add reference statement
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if(!property_exists($bnodes, $o_name)) {
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$o_entries = $bnodes->{$o_name} = new ArrayObject();
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}
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// object is a string, @value, subject reference
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else if(is_string($o) || self::_isValue($o) ||
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self::_isSubjectReference($o)) {
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => $o));
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// ensure a subject entry exists for subject reference
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if(self::_isSubjectReference($o) &&
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!property_exists($subjects, $o->{'@id'})) {
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$subjects->{$o->{'@id'}} = new ArrayObject();
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}
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}
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// object must be an embedded subject
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else {
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => (object)array(
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'@id' => $o->{'@id'})));
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// recurse into subject
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$this->_getStatements($o, $namer, $bnodes, $subjects);
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$o_entries = $bnodes->{$o_name};
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}
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$this->_addStatement(
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$o_entries, (object)array(
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's' => $name, 'p' => $p, 'o' => (object)array('@id' => '_:a')));
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// recurse into blank node
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$this->_getStatements($o, $namer, $bnodes, $subjects, $o_name);
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}
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// object is a string, @value, subject reference
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else if(is_string($o) || self::_isValue($o) ||
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self::_isSubjectReference($o)) {
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => $o));
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// ensure a subject entry exists for subject reference
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if(self::_isSubjectReference($o) &&
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!property_exists($subjects, $o->{'@id'})) {
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$subjects->{$o->{'@id'}} = new ArrayObject();
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}
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}
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// object must be an embedded subject
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else {
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// add property statement
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$this->_addStatement($entries, (object)array(
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's' => $s, 'p' => $p, 'o' => (object)array(
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'@id' => $o->{'@id'})));
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// recurse into subject
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$this->_getStatements($o, $namer, $bnodes, $subjects);
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}
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}
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}
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