Online PHP editor | perf for 0MIfV

<?php $context = [ 'mes' => [ 'attributes' => [ 't' => 'AddEvent', 'id' => 'test_id', ], 'ev' => [ 'attributes' => [ 'evt' => 'packet20130828ki3si0', 'src' => 'NVV', 'st' => 'test', 'start' => '12423511247', 'stop' => '12423991978', 'addrtype' => 'MB', 'clntID' => '+380957700418', 'lg' => '', 'bank' => '', 'lang' => '', 'prior' => '', 'brnm' => '', 'extref' => '', 'intref' => '', 'extaddrtype' => '', 'extaddrid' => '', 'recall' => '', ], 'attr' => [ [ 'attributes' => [ 'code' => '1', 'val' => '11', ], ], [ 'attributes' => [ 'code' => '2', 'val' => '12', ], ], ], 'hist' => [ [ 'attributes' => [ 'st' => '', 'ch' => '', 'lg' => '', 'con' => '', 'com' => '', 'addrtype' => '', 'addrid' => '', 'dt' => '', 'contactId' => '', ], ], ], ], ], ]; class Conv { protected $res; protected $context; protected $lastKey = 'item'; public function __construct(array $context) { if (count($context) != 1) { throw new Exception('Must be only one root element', 500); } $this->context = $context; $this->init(key($this->context)); } public function conv() { return $this->a2x(current($this->context), $this->res)->asXML(); } protected function init($root) { $this->res = new SimpleXMLElement("<{$root}/>"); } protected function addAttribs(array $attribs, SimpleXMLElement $node) { if (count($attribs)) { foreach ($attribs as $attrKey => $attrVal) { $node->addAttribute($attrKey, $attrVal); } } return $node; } protected function tryToAddAttribs(array &$inner, SimpleXMLElement $node) { if (isset($inner['attributes'])) { $this->addAttribs($inner['attributes'], $node); unset($inner['attributes']); } return $node; } protected function addEnum(array $items, SimpleXMLElement $node, $caption) { if (count($items)) { foreach ($items as $item) { $subNode = $node->addChild($caption); $this->tryToAddAttribs(&$inner, $subNode); } } } protected function a2x(array $inner, SimpleXMLElement $node) { $this->tryToAddAttribs(&$inner, $node); if (count($inner)) { foreach ($inner as $key => $value) { if ($this->isEnumeration($value)) { foreach ($inner as $item) { $this->addEnum($item, $node, $this->lastKey); } } else { $this->lastKey = $key; $subNode = $node->addChild($key); $this->a2x($value, $subNode); } } } return $this->res; } protected function isEnumeration(array $items) { $keys = array_keys($items); foreach ($keys as $key) { if (!is_numeric($key)) { return false; } } return true; } } $a2x = new Conv($context); var_dump($a2x->conv()); //->asXML();

Version	System time (s)	User time (s)	Memory (MiB)
5.5.3	0.003	0.037	17.17
5.5.2	0.007	0.037	17.26
5.5.1	0.003	0.037	17.18
5.5.0	0.007	0.060	17.22
5.4.19	0.003	0.037	19.25
5.4.18	0.003	0.037	18.89
5.4.17	0.003	0.063	18.88
5.4.16	0.007	0.057	19.08
5.4.15	0.013	0.057	19.01
5.4.14	0.003	0.040	16.30
5.4.13	0.003	0.033	16.39
5.4.12	0.000	0.037	16.43
5.4.11	0.000	0.040	16.41
5.4.10	0.007	0.033	16.46
5.4.9	0.000	0.037	16.42
5.4.8	0.000	0.040	16.41
5.4.7	0.007	0.037	16.41
5.4.6	0.010	0.037	16.43
5.4.5	0.000	0.037	16.39
5.4.4	0.007	0.030	16.34
5.4.3	0.003	0.033	16.46
5.4.2	0.000	0.040	16.38
5.4.1	0.000	0.040	16.27
5.4.0	0.007	0.030	15.88
5.3.27	0.007	0.040	14.60
5.3.26	0.010	0.033	14.52
5.3.25	0.013	0.030	14.52
5.3.24	0.000	0.040	14.43
5.3.23	0.000	0.040	14.53
5.3.22	0.000	0.040	14.50
5.3.21	0.007	0.037	14.52
5.3.20	0.000	0.040	14.64
5.3.19	0.000	0.040	14.56
5.3.18	0.010	0.033	14.53
5.3.17	0.003	0.037	14.50
5.3.16	0.003	0.037	14.48
5.3.15	0.000	0.040	14.52
5.3.14	0.000	0.040	14.50
5.3.13	0.000	0.040	14.36
5.3.12	0.003	0.037	14.47
5.3.11	0.010	0.033	14.37
5.3.10	0.010	0.030	13.98
5.3.9	0.003	0.053	13.99
5.3.8	0.003	0.040	13.98
5.3.7	0.003	0.043	13.98
5.3.6	0.000	0.063	13.97
5.3.5	0.010	0.067	13.70
5.3.4	0.003	0.057	13.88
5.3.3	0.003	0.057	13.68
5.3.2	0.000	0.060	13.64
5.3.1	0.010	0.053	13.66
5.3.0	0.007	0.070	13.56