PHP Classes

File: examples/router.php

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  Classes of Rafa Rodriguez   Div PHP Matrix Library   examples/router.php   Download  
File: examples/router.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Div PHP Matrix Library
Define matrices with dynamic cell calculations
Author: By
Last change: mixed indexes
Date: 1 year ago
Size: 2,536 bytes
 

Contents

Class file image Download
<?php

session_start();

include __DIR__ . "/../src/matrix.php";

use divengine\matrix;

// Simple router implementation
function isLogged()
{
    return isset($_SESSION['logged']) && $_SESSION['logged'] == true;
}

function matchRoute($route)
{
    $uri = $_SERVER['REQUEST_URI'] ?? "";

    if ($route == "*")
        return true;

    $uri = str_replace(basename(__FILE__), "", $uri);
    return $route == $uri;
}

$context = new matrix([
    ["Variable", "Data"],
    ["is_logged", fn () => isLogged()]
]);

$F_MATCH = fn ($r, $c, $m) => matchRoute($m->{$r});
$F_PASS = fn ($r, $c, $m) => ($context->{1.1} || $m->{$r + .2}) && $m->{$r + .3};
$F_HANDLER = fn ($r, $c, $m) => $m->{$r + .4} ? $m->{$r + .1} : 'login';
$F_HANDLER_PATH = fn ($r, $c, $m) => __DIR__ . "/handlers/{$m->{$r + .5}}.php";
$F_LISTENER = fn ($r, $c, matrix $m) => $m->{$r + .3} ? (require($m->{$r + .6}))() : null;
$F_NOTHING_MATCH = fn($r, $c, matrix $m) => array_reduce($m->vertical($c, 1, $r - 2), fn ($x, $i) => $x && !$i, true);

$routes = [
    ["Route", "Controller", "Public", "Match", "Pass", "Handler", "Handler Path", "Listener", 'caption' => ""],
    // -------------------------------------------------------------------------------------------------------------------------
    ["/", "home", true, $F_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => "Home"],
    ["/about", "about", true, $F_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => "About"],
    ["/login", "login", true, $F_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => "Login"],
    ["/admin", "admin", false, $F_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => "Admin"],
    // -----------------------------------------------------------------------------------------------------
    ["*", "log", true, $F_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => ""],
    ["*", "404", true, $F_NOTHING_MATCH, $F_PASS, $F_HANDLER, $F_HANDLER_PATH, $F_LISTENER, 'caption' => ""]
];

// print menu
echo "<p>". array_reduce($routes, function ($x, $route) {
    $caption = $route['caption'] ?? '';
    $path = $route[0];
   
    if ($caption == "")
        return $x;

    return $x . "<a href='$path'>$caption</a> | ";
}, "") . "</p>";

$router = new matrix($routes);

echo "<script>console.log(" . $router->formatJSON(true) . ");</script>";