Online PHP editor | perf for hCkij

@ 2014-07-25T15:32:03Z

<?php
function arrayToXml($data, \SimpleXmlElement $element, $parent = null)
    {
        foreach ($data as $key => $value) {
            if (is_array($value) || $value instanceof \Traversable) {
                if (!is_numeric($key)) {
                    if (count($value) > 0 && isset($value[0])) {
                        arrayToXml($value, $element, $key);
                    } else {
                        $subnode = $element->addChild($key);
                        arrayToXml($value, $subnode, $key);
                    }
                } else {
                    $subnode = $element->addChild($parent);
                    arrayToXml($value, $subnode, $parent);
                }
            } else {
                if (!is_numeric($key)) {
                    if (substr($key, 0, 1) === '@') {
                        $element->addAttribute(substr($key, 1), $value);
                    } elseif ($key === 'value' and count($data) === 1) {
                        $element->{} = $value;
                    } elseif (is_bool($value)) {
                        $element->addChild($key, intval($value));
                    } else {
                        $element->addChild($key, htmlspecialchars($value, ENT_QUOTES));
                    }
                } else {
                    $element->addChild($parent, htmlspecialchars($value, ENT_QUOTES));
                }
            }
        }
    }

$data = array('x' => array('value' => 'test'));
$doc = new \SimpleXMLElement('<resource href="/"></resource>');

arrayToXml($data, $doc);

echo $doc->asXml();
//$xml = new \SimpleXMLElement('<resource href="/"><x><0>test</0></x></resource>');
//echo $xml->x;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.31	0.008	0.035	12.53
5.4.30	0.005	0.040	12.53
5.4.29	0.008	0.036	12.52
5.4.28	0.005	0.037	12.42
5.4.27	0.007	0.040	12.42
5.4.26	0.002	0.045	12.41
5.4.25	0.007	0.039	12.42
5.4.24	0.010	0.041	12.42
5.4.23	0.005	0.043	12.41
5.4.22	0.007	0.046	12.41
5.4.21	0.006	0.036	12.41
5.4.20	0.006	0.039	12.41
5.4.19	0.006	0.040	12.41
5.4.18	0.006	0.037	12.40
5.4.17	0.006	0.038	12.41
5.4.16	0.006	0.035	12.41
5.4.15	0.003	0.038	12.41
5.4.14	0.010	0.034	12.10
5.4.13	0.008	0.034	12.07
5.4.12	0.008	0.034	12.04
5.4.11	0.005	0.037	12.04
5.4.10	0.009	0.034	12.04
5.4.9	0.005	0.040	12.04
5.4.8	0.008	0.038	12.04
5.4.7	0.010	0.042	12.03
5.4.6	0.010	0.048	12.03
5.4.5	0.010	0.033	12.04
5.4.4	0.008	0.033	12.02
5.4.3	0.005	0.042	12.02
5.4.2	0.005	0.035	12.01
5.4.1	0.005	0.035	12.02
5.4.0	0.008	0.034	11.51
5.3.28	0.007	0.037	12.71
5.3.27	0.004	0.042	12.73
5.3.26	0.007	0.039	12.72
5.3.25	0.006	0.039	12.72
5.3.24	0.007	0.038	12.72
5.3.23	0.009	0.040	12.71
5.3.22	0.003	0.044	12.68
5.3.21	0.006	0.044	12.68
5.3.20	0.007	0.040	12.68
5.3.19	0.009	0.045	12.68
5.3.18	0.007	0.052	12.68
5.3.17	0.007	0.051	12.67
5.3.16	0.009	0.037	12.68
5.3.15	0.006	0.040	12.67
5.3.14	0.007	0.036	12.66
5.3.13	0.007	0.040	12.65
5.3.12	0.009	0.047	12.66
5.3.11	0.006	0.040	12.66
5.3.10	0.007	0.040	12.15
5.3.9	0.007	0.036	12.13
5.3.8	0.005	0.038	12.12
5.3.7	0.005	0.038	12.11
5.3.6	0.009	0.035	12.11
5.3.5	0.008	0.037	12.05
5.3.4	0.007	0.038	12.05
5.3.3	0.008	0.034	12.01
5.3.2	0.008	0.036	11.79
5.3.1	0.007	0.036	11.75
5.3.0	0.005	0.038	11.74

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