Online PHP editor | output for jdLaP

@ 2016-11-19T18:12:16Z

<?php

// user input of years - note it must be numeric
$ar = array(1944, 1674, 3021);

// find max year of the input for 'dynamic' approach
// note the unpacking of the array is not needed I do not think
// but does work - check performance
$maxCentury = max(...$ar);

// round max century to -3 (closest 1000)
$roundedCentury = round($maxCentury, -3);

foreach($ar as $year):
    foreach(range(0, $maxCentury, 1000) as $century):
        if(round($year, -3) == $century): ?>
            <li> <?= $century; ?>
                <ul> <?= $year; ?> </ul>
            </li>
        <?php endif;
    endforeach;
endforeach;

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: <li> 2000 <ul> 1944 </ul> </li> <li> 2000 <ul> 1674 </ul> </li> <li> 3000 <ul> 3021 </ul> </li>
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <li> 2000 <ul> 1944 </ul> </li> <li> 2000 <ul> 1674 </ul> </li> <li> 3000 <ul> 3021 </ul> </li>

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