Online PHP editor | perf for 6OeIv

@ 2020-05-24T06:47:08Z

<?php

$html = '<table>
    <tr class="rules-details" style="display: none">
        <td colspan="4">
            <a href="/serve-scaled-images.html" class="rule-help btn hover-tooltip" data-tooltip-interactive data-tooltip-max-width="450" title="&lt;h4&gt;Serve scaled images&lt;/h4&gt;&lt;p&gt;Serving appropriately-sized images can save many bytes of data and improve the performance of your webpage, especially on low-powered (eg. mobile) devices.&lt;/p&gt;&lt;p class=&quot;rule-help-tooltip-more&quot;&gt;&lt;a href=&quot;/serve-scaled-images.html&quot;&gt;Read more&lt;/a&gt;&lt;/p&gt;"><i class="sprite-question"></i><span class="resp-hidden">What\'s this mean?</span></a>
            <div>
                <p>The following images are resized in HTML or CSS. Serving scaled images could save 1.3MiB (45% reduction).
                    <ul>
                        <li><a href="https://www.example.com/Pictures/thumbs/0029.jpg" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/0029.jpg</a> is resized in HTML or CSS from 300x623 to 123x200. Serving a scaled image could save 51.3KiB (86% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumbs/0133.jpg" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/0133.jpg</a> is resized in HTML or CSS from 300x578 to 135x200. Serving a scaled image could save 44.0KiB (84% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumbs/0075.jpg" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/0075.jpg</a> is resized in HTML or CSS from 300x390 to 176x200. Serving a scaled image could save 43.2KiB (69% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumbs/0057.jpg" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/0057.jpg</a> is resized in HTML or CSS from 300x436 to 174x200. Serving a scaled image could save 35.0KiB (73% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumb/thumb.png" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/thumb.png</a> is resized in HTML or CSS from 148x100 to 68x46. Serving a scaled image could save 31.4KiB (78% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumb/thumb.png" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/thumb.png</a> is resized in HTML or CSS from 148x100 to 68x46. Serving a scaled image could save 30.9KiB (78% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumb/thumb.png" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/thumb.png</a> is resized in HTML or CSS from 148x100 to 68x46. Serving a scaled image could save 30.7KiB (78% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumb/thumb.png" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/thumb.png</a> is resized in HTML or CSS from 148x100 to 68x46. Serving a scaled image could save 30.7KiB (78% reduction).</li>
                        <li><a href="https://www.example.com/Pictures/thumbs/0093.jpg" target="_blank" rel="nofollow noopener noreferrer">https://www.example.com/Pictures/thumbs/0093.jpg</a> is resized in HTML or CSS from 300x458 to 138x200. Serving a scaled image could save 28.9KiB (79% reduction).</li>
                    </ul>
                </p>
            </div>
        </td>
    </tr>
</table>';

$dom = new DOMDocument();
libxml_use_internal_errors(true);
$dom->loadHTML($html);
$xpath = new DOMXPath($dom);
$result = [];
foreach ($xpath->query('//tr/td/div//ul/li/a') as $a) {
    $result[] = [$a->nodeValue, preg_match('~to \K\d+x\d+~', $a->parentNode->nodeValue, $m) ? $m[0] : ''];
}
var_export($result);

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)
8.3.6	0.012	0.003	17.50
8.3.5	0.012	0.004	16.89
8.3.4	0.014	0.000	19.80
8.3.3	0.012	0.003	19.64
8.3.2	0.005	0.003	24.18
8.3.1	0.005	0.003	24.66
8.3.0	0.006	0.003	26.16
8.2.18	0.016	0.003	25.92
8.2.17	0.016	0.000	19.70
8.2.16	0.003	0.012	22.96
8.2.15	0.005	0.003	25.66
8.2.14	0.007	0.000	24.66
8.2.13	0.008	0.000	26.16
8.2.12	0.007	0.000	21.48
8.2.11	0.003	0.007	22.75
8.2.10	0.013	0.004	18.39
8.2.9	0.008	0.000	18.47
8.2.8	0.006	0.003	19.79
8.2.7	0.006	0.003	18.38
8.2.6	0.004	0.004	18.38
8.2.5	0.004	0.004	19.97
8.2.4	0.004	0.004	20.09
8.2.3	0.005	0.003	18.59
8.2.2	0.004	0.004	18.51
8.2.1	0.000	0.007	19.91
8.2.0	0.003	0.005	19.79
8.1.28	0.009	0.006	25.92
8.1.27	0.000	0.008	23.99
8.1.26	0.005	0.003	26.35
8.1.25	0.008	0.000	28.09
8.1.24	0.006	0.003	24.46
8.1.23	0.003	0.010	22.88
8.1.22	0.004	0.004	18.28
8.1.21	0.004	0.004	19.29
8.1.20	0.000	0.008	17.98
8.1.19	0.004	0.004	17.73
8.1.18	0.003	0.006	18.10
8.1.17	0.005	0.003	18.13
8.1.16	0.005	0.003	19.45
8.1.15	0.000	0.007	19.44
8.1.14	0.000	0.007	19.48
8.1.13	0.003	0.005	18.07
8.1.12	0.004	0.004	18.07
8.1.11	0.005	0.003	18.07
8.1.10	0.000	0.008	18.09
8.1.9	0.000	0.007	18.11
8.1.8	0.003	0.006	18.05
8.1.7	0.000	0.007	18.01
8.1.6	0.003	0.006	18.25
8.1.5	0.000	0.008	18.19
8.1.4	0.003	0.005	18.14
8.1.3	0.005	0.003	18.26
8.1.2	0.006	0.003	18.29
8.1.1	0.009	0.000	18.25
8.1.0	0.003	0.005	18.18
8.0.30	0.007	0.000	20.54
8.0.29	0.000	0.008	17.50
8.0.28	0.000	0.008	18.81
8.0.27	0.005	0.003	18.61
8.0.26	0.000	0.007	17.29
8.0.25	0.000	0.008	17.44
8.0.24	0.003	0.003	17.44
8.0.23	0.005	0.003	17.56
8.0.22	0.003	0.006	17.52
8.0.21	0.000	0.007	17.36
8.0.20	0.000	0.007	17.50
8.0.19	0.003	0.006	17.45
8.0.18	0.000	0.008	17.56
8.0.17	0.006	0.006	17.50
8.0.16	0.004	0.004	17.45
8.0.15	0.004	0.004	17.31
8.0.14	0.000	0.007	17.37
8.0.13	0.003	0.003	13.93
8.0.12	0.005	0.003	17.34
8.0.11	0.006	0.003	17.44
8.0.10	0.008	0.000	17.54
8.0.9	0.005	0.002	17.16
8.0.8	0.006	0.012	17.46
8.0.7	0.004	0.004	17.20
8.0.6	0.005	0.003	17.34
8.0.5	0.000	0.008	17.32
8.0.3	0.010	0.016	17.83
8.0.2	0.014	0.010	17.50
8.0.1	0.002	0.005	17.71
8.0.0	0.006	0.012	17.24
7.4.33	0.005	0.000	15.63
7.4.32	0.006	0.000	17.16
7.4.30	0.000	0.006	17.13
7.4.29	0.000	0.007	17.07
7.4.28	0.008	0.000	17.07
7.4.27	0.000	0.007	17.28
7.4.26	0.000	0.005	14.02
7.4.25	0.002	0.005	17.25
7.4.24	0.004	0.004	17.23
7.4.23	0.009	0.000	17.01
7.4.22	0.005	0.002	16.99
7.4.21	0.007	0.007	17.12
7.4.20	0.006	0.003	17.29
7.4.13	0.010	0.012	17.07
7.4.12	0.006	0.015	17.18
7.4.11	0.000	0.018	17.06
7.4.10	0.004	0.014	17.30
7.4.9	0.008	0.012	16.85
7.4.8	0.009	0.012	19.39
7.4.7	0.010	0.007	17.13
7.4.6	0.009	0.009	17.17
7.4.5	0.003	0.013	17.27
7.4.4	0.003	0.013	16.81
7.4.3	0.003	0.014	17.08
7.4.2	0.014	0.003	17.14
7.4.1	0.009	0.010	16.85
7.4.0	0.007	0.010	17.28
7.3.33	0.008	0.000	16.91
7.3.32	0.005	0.000	13.56
7.3.31	0.004	0.004	17.01
7.3.30	0.003	0.003	16.96
7.3.29	0.005	0.012	16.79
7.3.28	0.006	0.013	16.70
7.3.26	0.016	0.009	16.99
7.3.24	0.009	0.010	16.93
7.3.23	0.005	0.014	16.91
7.3.21	0.011	0.006	16.81
7.3.20	0.021	0.003	17.13
7.3.19	0.003	0.014	16.89
7.3.18	0.003	0.013	16.87
7.3.17	0.003	0.013	16.83
7.3.16	0.009	0.006	16.85
7.3.15	0.006	0.010	16.90
7.3.14	0.008	0.009	17.14
7.3.13	0.009	0.006	17.06
7.3.12	0.003	0.012	16.76
7.3.11	0.010	0.006	16.99
7.3.10	0.016	0.000	17.21
7.3.9	0.010	0.007	17.00
7.3.8	0.009	0.006	16.76
7.3.7	0.006	0.009	16.95
7.3.6	0.010	0.006	16.92
7.3.5	0.012	0.004	16.79
7.3.4	0.006	0.012	16.95
7.3.3	0.010	0.007	16.95
7.3.2	0.009	0.009	16.89
7.3.1	0.007	0.010	16.86
7.3.0	0.004	0.014	16.83
7.2.33	0.000	0.018	17.25
7.2.32	0.012	0.006	17.28
7.2.31	0.015	0.009	17.16
7.2.30	0.010	0.006	17.27
7.2.29	0.007	0.010	17.34
7.2.28	0.012	0.006	17.42
7.2.27	0.012	0.006	17.09
7.2.26	0.003	0.013	17.18
7.2.25	0.006	0.012	17.34
7.2.24	0.008	0.010	17.30
7.2.23	0.013	0.003	17.25
7.2.22	0.010	0.011	17.28
7.2.21	0.009	0.012	17.23
7.2.20	0.011	0.005	17.09
7.2.19	0.000	0.023	17.06
7.2.18	0.003	0.013	17.06
7.2.17	0.006	0.012	17.29
7.2.16	0.007	0.011	17.19
7.2.15	0.014	0.004	17.47
7.2.14	0.014	0.006	17.14
7.2.13	0.014	0.004	17.34
7.2.12	0.010	0.007	17.27
7.2.11	0.007	0.010	17.18
7.2.10	0.007	0.010	17.33
7.2.9	0.011	0.011	17.39
7.2.8	0.004	0.014	17.07
7.2.7	0.010	0.007	17.18
7.2.6	0.012	0.006	17.26
7.2.5	0.009	0.009	17.05
7.2.4	0.015	0.012	17.18
7.2.3	0.004	0.015	17.20
7.2.2	0.006	0.012	17.22
7.2.1	0.007	0.010	17.28
7.2.0	0.010	0.007	17.26

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