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@ 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 git.master, git.master_jit, rfc.property-hooks: <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>

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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