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run code in 300+ PHP versions simultaneously

@ 2024-02-18T03:49:04Z

<?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 => $hasTerms) {
        printf(
            '<%1$s class="button%2$s%3$s">%4$s</%1$s>' . "\n",
            $hasTerms ? 'a' : 'span',  // %1$s
            ($_GET['sortBy'] ?? '_') === $char ? ' selected' : '',  // %2$s
            $hasTerms ? '" href="' . get_permalink() . '?' . http_build_query(['sortby' => $char]) : ' disable',  // %3$s
            esc_html($char)  // %4$s
        );
    }
}

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 disable">A</span> <a class="button selected" href="someurl?sortby=B">B</a> <a class="button" href="someurl?sortby=C">C</a> <span class="button disable">D</span> <span class="button disable">E</span> <a class="button" href="someurl?sortby=F">F</a> <span class="button disable">G</span> <span class="button disable">H</span> <span class="button disable">I</span> <span class="button disable">J</span> <span class="button disable">K</span> <span class="button disable">L</span> <span class="button disable">M</span> <span class="button disable">N</span> <span class="button disable">O</span> <span class="button disable">P</span> <span class="button disable">Q</span> <span class="button disable">R</span> <span class="button disable">S</span> <span class="button disable">T</span> <span class="button disable">U</span> <span class="button disable">V</span> <span class="button disable">W</span> <span class="button disable">X</span> <span class="button disable">Y</span> <span class="button disable">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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