PHP code example of rossato / declarative-php

1. Go to this page and download the library: Download rossato/declarative-php library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

rossato / declarative-php example snippets




use Rossato\Element;

$div = new Element(
    "div",                   // tag name
    ["class" => "custom"],   // properties (as associative array)
    "text"                   // content
);

echo $div;



use Rossato\Element;

echo new Element(
    "ul",
    ["style" => "margin: 10px"],
    new Element("li", null, "First element"),
    new Element("li", null, "Second element")
);


use Rossato\Element;

echo new Element(
    "form",
    ["style" => "margin: 10px"],
    [
        new Element("input", ["type" => "text", "id" => "hello"]),
    ]
);


use Rossato\Element;

function Form($url) {
    return new Element("form", ["action" => $url],
    	new Element("input", ["type" => "submit", "value" => "Submit"])
    );
}

function App() {
    return new Element("div", [],
    	Form("/send/"),
	Form("/submit/")
    ]);
}

echo App();


use Rossato\Element;
use Rossato\Page;

$page = new Page([
    new Element("title", [], "Title in the head tag")
], [
    new Element("h1", [], "Title in the body tag")
]);

echo $page; // "<html><head><title>Title in the head tag</title></head><body><h1>Title in the body tag</h1></body></html>"


$userInput = "what\"><script>console.log('nope')</script><div ";
echo new Element("div", ["class" => $userInput], "Content")); // "<div class="what%22%3E%3Cscript%3Econsole.log('nope')%3C%2Fscript%3E%3Cdiv%20">Content</div>"


class Element {
    function __toString() {
        return "<" . $this->$tag . ">" . escapeHTML($this->$content) . "</" . $this->$tag . ">";
    }
}



    $price = $data["price"];


function Post($index, $title, $text) {
    return new Element(
        "article",
        ["class"="article-".$index],
        new Element("h2", [], $title),
        new Element("p", [], $text),
    );
}

function PostList($postData) {
    $postList = [];
    $index = 0;
    foreach ($postsData as $name => $post) {
        $index++;
        $postList[] = new Post($index, $name, $post);
    }
    return new Element("div", ["class" => "post-list"], $postList);
}

$postsData = [
    "My life as a developer" => "It was fun",
    "I'm declaring" => "data like normal",
    "And html elements treat" => "and using it easily"
];

echo PostList($postData); // Renders pure html (but it may also throw if rendering fails)





$style = [
    "width" => 200,
    "height" => 200,
    "background-color" => "red"
];
echo new Element("div", ["style" => $style]);;


echo new Element("div", ["style" => "/* Text color comment */ color : red; background : blue; "]);



// "./api/endpoint/index.php"
/Database;

Database::connect();

function EndpointResponse($connected, $user) {
	if (!$connected) {
        return "Database could not be reached.";
	}
    if (!$user) {
        return "Log in please.";
    }
	return new Element("div", ["class" => "profile-name"], "Hello, " . $user->$name);
}

$connected = Database::connect();
$user = Database::getUser();

return EndpointResponse($connected, $user);


if ($_SERVER['REMOTE_ADDR'] === "129.129.129.129") {
    echo new ThatNewFeatureComponent();
} else {
    echo new ProductionComponent();
}


function saveCache($content) {
	file_put_contents($cacheFilename, strval($content));
}
function loadCache() {
	return file_get_contents("./cache.html");
}
function cacheExists() {
	return file_exists("./cache.html");
}
function generate() {
    return App();
}

if (cacheExists()) {
	echo loadCache();
} else {
	$content = generate();
	saveCache($content);
	echo $content;
}


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