/**
* Generates Open Graph protocol information, and puts it into HTML
*/
protected function og_generation()
{
/**
* Automatic generation of some information
*/
$Config = Config::instance();
if (!$Config->core['og_support']) {
return;
}
$og =& $this->og_data;
if (!isset($og['title']) || empty($og['title'])) {
$this->og('title', $this->Title);
}
if ((!isset($og['description']) || empty($og['description'])) && $this->Description) {
$this->og('description', $this->Description);
}
if (!isset($og['url']) || empty($og['url'])) {
$this->og('url', HOME ? $Config->base_url() : ($this->canonical_url ?: $Config->base_url() . '/' . $Config->server['relative_address']));
}
if (!isset($og['site_name']) || empty($og['site_name'])) {
$this->og('site_name', get_core_ml_text('name'));
}
if (!isset($og['type']) || empty($og['type'])) {
$this->og('type', 'website');
}
if ($Config->core['multilingual']) {
$L = Language::instance();
if (!isset($og['locale']) || empty($og['locale'])) {
$this->og('locale', $L->clang . '_' . strtoupper($L->cregion));
}
if ((!isset($og['locale:alternate']) || empty($og['locale:alternate'])) && count($Config->core['active_languages']) > 1) {
foreach ($Config->core['active_languages'] as $lang) {
if ($lang != $L->clanguage) {
$this->og('locale:alternate', $L->get('clang', $lang) . '_' . strtoupper($L->get('cregion', $lang)));
}
}
}
}
$prefix = 'og: http://ogp.me/ns# fb: http://ogp.me/ns/fb#';
switch (explode('.', $this->og_type, 2)[0]) {
case 'article':
$prefix .= ' article: http://ogp.me/ns/article#';
break;
case 'blog':
$prefix .= ' blog: http://ogp.me/ns/blog#';
break;
case 'book':
$prefix .= ' book: http://ogp.me/ns/book#';
break;
case 'profile':
$prefix .= ' profile: http://ogp.me/ns/profile#';
break;
case 'video':
$prefix .= ' video: http://ogp.me/ns/video#';
break;
case 'website':
$prefix .= ' website: http://ogp.me/ns/website#';
break;
}
$this->Head = $this->Head . implode('', $og);
if (!$this->no_head) {
$this->Head = h::head($this->Head, ['prefix' => $prefix . $this->head_prefix]);
}
}
<?php
require "lib.htmlgen.php";
h::set_variable("table_data", array("foo" => "bar", "hello" => "world", "123" => "456", "abc" => "xyz"));
h::set_indent_pattern(" ");
h::html(function () {
h::head(function () {
h::meta(array("charset" => "UTF-8"));
h::link(array("rel" => "stylesheet", "type" => "text/css", "href" => "global.css"));
});
h::body(function () {
h::div(array("id" => "wrapper"), function () {
h::h1("Hello, World", array("class" => "title"));
h::comment("navigation");
h::ul(array("class" => "links"), function () {
foreach (array(1, 2, 3) as $x) {
h::li(function () use($x) {
h::a("Link {$x}", "#{$x}");
});
}
});
h::comment("let's see some text");
h::p("Lorem ipsum dolor sit amet, consectetur adipisicing elit...");
h::comment("now for a table");
h::table(function () {
$table_data = h::get_variable('table_data', array());
h::tr(array("class" => "header"), function () {
h::th("key");
h::th("value");
});
foreach ($table_data as $k => $v) {
