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run code in 300+ PHP versions simultaneously

@ 2024-02-18T04:09:59Z

<?php

$_GET['sortBy'] = 'B';


function get_permalink() { return 'someurl'; }

function get_terms($array) { return ['foo', 'bar', 'öle', 'can']; }

function esc_html($string) { return htmlspecialchars($string, ENT_QUOTES); }

function alpha_pagination() {
    $chars = array_fill_keys(range('A', 'Z'), false);
    foreach (get_terms(['taxonomy' => 'unknown', 'hide_empty' => true]) as $tax) {
        $chars[mb_strtoupper(mb_substr($tax, 0, 1))] = true;
    }
    ksort($chars);

    foreach ($chars as $char => $hasTerms) {
        $selected = ($_GET['sortBy'] ?? '_') === $char ? ' selected' : '';
        if ($hasTerms) {
            printf(
                '<a class="button%s" href="%s?%s">%s</a>',
                $selected,
                get_permalink(),
                http_build_query(['sortby' => $char]),
                esc_html($char)
            );
        } else {
            printf(
                '<span class="button disabled%s">%s</span>',
                $selected,
                esc_html($char)
            );
        }
        echo "\n";
    }
}

alpha_pagination();

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: <span class="button disabled">A</span> <a class="button selected" href="someurl?sortby=B">B</a> <a class="button" href="someurl?sortby=C">C</a> <span class="button disabled">D</span> <span class="button disabled">E</span> <a class="button" href="someurl?sortby=F">F</a> <span class="button disabled">G</span> <span class="button disabled">H</span> <span class="button disabled">I</span> <span class="button disabled">J</span> <span class="button disabled">K</span> <span class="button disabled">L</span> <span class="button disabled">M</span> <span class="button disabled">N</span> <span class="button disabled">O</span> <span class="button disabled">P</span> <span class="button disabled">Q</span> <span class="button disabled">R</span> <span class="button disabled">S</span> <span class="button disabled">T</span> <span class="button disabled">U</span> <span class="button disabled">V</span> <span class="button disabled">W</span> <span class="button disabled">X</span> <span class="button disabled">Y</span> <span class="button disabled">Z</span> <a class="button" href="someurl?sortby=%C3%96">Ö</a>
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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