$xml =<<<XML <outer any_attrib="attribute value">  <inner>element value</inner>  <nested nested-attrib="nested attribute value">nested element value</nested> </outer> XML; $result = \SbWereWolf\XmlNavigator\Convertation\FastXmlToArray ::prettyPrint($xml); echo json_encode($result, JSON_PRETTY_PRINT);

$xml = '<One attr="val">text</One><Other attr1="" attr2=""/>' . PHP_EOL; $file = fopen('data-for-stream.xml', 'w'); fwrite($file, "<Collection>$xml$xml$xml</Collection>"); fclose($file); /** @var XMLReader $reader */ $reader = XMLReader::open('data-for-stream.xml'); $extractor = \SbWereWolf\XmlNavigator\Parsing\FastXmlParser ::extractHierarchy( $reader, /* callback for detect element for parsing */ function (XMLReader $cursor) { return $cursor->name === 'One'; } ); /* Extract all elements with name `One` */ foreach ($extractor as $element) { echo json_encode($element, JSON_PRETTY_PRINT) . PHP_EOL; } $reader->close();

function generateFile(string $filename, int $limit, string $xml): void { $file = fopen($filename, 'a'); fwrite($file, '<Collection>'); for ($i = 0; $i < $limit; $i++) { $content = "$xml$xml$xml$xml$xml$xml$xml$xml$xml$xml"; fwrite($file, $content); } fwrite($file, '</Collection>'); fclose($file); $size = round(filesize($filename) / 1024, 2); echo "$filename size is $size Kb" . PHP_EOL; } $xml = '<SomeElement key="123">value</SomeElement>' . PHP_EOL; $generation['temp-465b.xml'] = 1; $generation['temp-429Kb.xml'] = 1_000; $generation['temp-429Mb.xml'] = 1_000_000; foreach ($generation as $filename => $size) { generateFile($filename, $size, $xml); }

/**  * @param string $filename  * @return void  */ function parseFirstElement(string $filename): void { $start = hrtime(true); /** @var XMLReader $reader */ $reader = XMLReader::open($filename); $mayRead = true; /* scroll to first `SomeElement` */ while ($mayRead && $reader->name !== 'SomeElement') { $mayRead = $reader->read(); } /* Compose array from XML element with name `SomeElement` */ $result = \SbWereWolf\XmlNavigator\Extraction\PrettyPrintComposer ::compose($reader); $reader->close(); $finish = hrtime(true); $duration = $finish - $start; $duration = number_format($duration,); echo "First element parsing duration of $filename is $duration ns" . PHP_EOL; } /* files to metering with benchmark */ $files = [ 'temp-465b.xml', 'temp-429Kb.xml', 'temp-429Mb.xml', ]; echo 'Warm up OPcache' . PHP_EOL; parseFirstElement(current($files)); echo 'Benchmark is starting' . PHP_EOL; foreach ($files as $filename) { parseFirstElement($filename); } echo 'Benchmark was finished' . PHP_EOL;

$xml = <<<XML <ElemWithNestedElems>  <ElemWithVal>val</ElemWithVal>  <ElemWithAttribs one="atrib" other="atrib"/>  <ElemWithAll attribute_name="attribute-value">  element value  </ElemWithAll> </ElemWithNestedElems> XML; $converter = new \SbWereWolf\XmlNavigator\Convertation\XmlConverter( val: 'value', attr: 'attributes', name: 'name', seq: 'sequence', ); $xmlAsArray = $converter->toHierarchyOfElements($xml); $prettyPrint = json_encode($xmlAsArray, JSON_PRETTY_PRINT); echo 'JSON representation of XML:' . PHP_EOL . $prettyPrint . PHP_EOL; echo 'Array representation of XML:' . PHP_EOL . var_export($xmlAsArray, true) . PHP_EOL;

JSON representation of XML: { "name": "ElemWithNestedElems",  "sequence": [ { "name": "ElemWithVal", "value": "val" }, { "name": "ElemWithAttribs", "attributes": { "one": "atrib", "other": "atrib" } }, { "name": "ElemWithAll", "value": "\n element value\n ", "attributes": { "attribute_name": "attribute-value" } } ] } Array representation of XML: array ( 'name' => 'ElemWithNestedElems', 'sequence' => array ( 0 => array ( 'name' => 'ElemWithVal', 'value' => 'val', ), 1 => array ( 'name' => 'ElemWithAttribs', 'attributes' => array ( 'one' => 'atrib', 'other' => 'atrib', ), ), 2 => array ( 'name' => 'ElemWithAll', 'value' => '  element value  ', 'attributes' => array ( 'attribute_name' => 'attribute-value', ), ), ), )

$xml = <<<XML <doc attrib="a" option="o" >  <base/>  <valuable>element value</valuable>  <complex>  <a empty=""/>  <b val="x"/>  <b val="y"/>  <b val="z"/>  <c>0</c>  <c v="o"/>  <c/>  <different/>  </complex> </doc> XML; $content = \SbWereWolf\XmlNavigator\Convertation\FastXmlToArray ::convert($xml); $navigator = new \SbWereWolf\XmlNavigator\Navigation\XmlElement($content); /* Convert this XmlElement to array,  with the array you may restore XmlElement  (create same as original one) */ $gist = $navigator->serialize(); echo assert($content === $gist) ? 'is same' : 'is different'; echo PHP_EOL; /* get name of element */ echo $navigator->name() . PHP_EOL; /* doc */ /* get value of element */ echo "`{$navigator->value()}`" . PHP_EOL; /* `` */ /* get list of attributes */ $attributes = $navigator->attributes(); foreach ($attributes as $attribute) { /** @var \SbWereWolf\XmlNavigator\Navigation\IXmlAttribute $attribute */ echo "`{$attribute->name()}` `{$attribute->value()}`" . PHP_EOL; } /* `attrib` `a` `option` `o` */ /* get value of attribute */ echo $navigator->get('attrib') . PHP_EOL; /* a */ /* get list of nested elements */ $elements = $navigator->elements(); foreach ($elements as $element) { echo "{$element->name()}" . PHP_EOL; } /* base valuable complex  */ /* get desired nested element */ /** @var \SbWereWolf\XmlNavigator\Navigation\IXmlElement $elem */ $elem = $navigator->pull('valuable')->current(); echo $elem->name() . PHP_EOL; /* valuable */ /* get all nested elements */ foreach ($navigator->pull() as $pulled) { /** @var \SbWereWolf\XmlNavigator\Navigation\IXmlElement $pulled */ echo $pulled->name() . PHP_EOL; /*  base  valuable  complex  */ } /* get nested element with given name */ /** @var \SbWereWolf\XmlNavigator\Navigation\IXmlElement $nested */ $nested = $navigator->pull('complex')->current(); /* get names of all elements of nested element */ $elements = $nested->elements(); foreach ($elements as $element) { echo "{$element->name()}" . PHP_EOL; } /* a b b b c c c different */ /* pull all elements with name `b` */ foreach ($nested->pull('b') as $b) { /** @var \SbWereWolf\XmlNavigator\Navigation\IXmlElement $b */ echo ' element with name' . ' `' . $b->name() . '` have attribute `val` with value' . ' `' . $b->get('val') . '`' . PHP_EOL; } /*  element with name `b` have attribute `val` with value `x`  element with name `b` have attribute `val` with value `y`  element with name `b` have attribute `val` with value `z` */