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custom.php
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custom.php
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<?php
/**
* Create a script tag as a string
*
* @param string $src URL src for script
* @param bool $async Whether or not to set the async attribute
* @param bool $defer Whether or not to set the async attribute
* @param string $type Type Attribute (because Firefox can handle additional "version")
*
* @return string "<script ...></script>"
*/
function mk_script_tag(
$src,
$async = true,
$defer = false,
$type = 'application/javascript',
array $attributes = array()
)
{
$dom = new \DOMDocument('1.0', 'UTF-8');
$script = $dom->createElement('script');
$dom->appendChild($script);
$script->setAttribute('src', $src);
$script->setAttribute('type', $type);
if ($async) {
$script->setAttribute('async', null);
}
if ($defer) {
$script->setAttribute('defer', null);
}
array_map(
[$script, 'setAttribute'],
array_keys($attributes),
array_values($attributes)
);
return $dom->saveHTML($script);
}
/**
* Get an array of scipts to use, compatible with `mk_script_tag`
*
* @param void
* @return array [[src, async, defer, type], ...]
*/
function get_dev_scripts()
{
$type = (BROWSER === 'Firefox') ? 'application/javascript;version=1.8' : 'application/javascript';
return array(
array('scripts/std-js/deprefixer.es6', true, false, $type),
array('scripts/std-js/prototypes.es6', true, false, $type),
array('scripts/std-js/support_test.es6', true, false, $type),
array('scripts/std-js/poly_modern.js', true, false, $type),
array('scripts/std-js/functions.es6', true, false, $type),
array('scripts/std-js/zq.es6', true, false, $type),
array('scripts/std-js/popstate.es6', true, false, $type),
array('scripts/std-js/json_response.es6', true, false, $type),
array('scripts/std-js/wysiwyg.es6', true, false, $type),
array('scripts/std-js/kbd_shortcuts.es6', true, false, $type),
array('scripts/custom.es6', true, false, $type)
);
}
/**
* Concatenate JavaScript files
*
* @param array $scripts Scripts to concatenate from
* @param string $output File to save concatenated scripts to
*
* @return void
*/
function concatenate_scripts(array $scripts, $output = 'scripts/combined.js')
{
$handle = fopen($output, 'c');
// Only proceed if we can obtain an exclusive lock
if ($obtained = flock($handle, LOCK_EX)) {
// Truncate the script to not just append to it
ftruncate($handle, 0);
// Iterate through the scripts, appending to the now empty file
foreach ($scripts as $file) {
fwrite($handle, file_get_contents($file));
}
// Release the lock
flock($handle, LOCK_UN);
}
// Close the handle
fclose($handle);
return $obtained;
}
/**
* Update sitemap.xml
*
* @param string $name Name of file output
* @return void
*/
function update_sitemap($name = 'sitemap.xml')
{
$home = \shgysk8zer0\Core\URL::load(URL);
$sitemap = new \shgysk8zer0\DOM\XML(
'urlset',
'http://www.sitemaps.org/schemas/sitemap/0.9',
'1.0',
'UTF-8'
);
$posts = \shgysk8zer0\Core\PDO::load()->fetchArray(
'SELECT `url`, `created`
FROM `posts`
WHERE `url` != ""
ORDER BY `created` DESC;'
);
$posts = new \shgysk8zer0\Core\ArrayObject($posts);
$posts->reduce(
function(\DOMElement $urlset, \stdClass $post) use ($home) {
$url = $urlset->append('url');
$url->append('loc', "{$home}posts/{$post->url}");
$url->append('lastmod', date(DATE_RSS, strtotime($post->created)));
$url->append('priority', 0.8);
return $urlset;
},
$sitemap->documentElement
);
$sitemap->save(__DIR__ . DIRECTORY_SEPARATOR . $name);
}
/**
* Updates feed.rss with the $lim most recent posts
*
* @param int $lim Max number to include
* @param string $name Name of file output
* @return void
*/
function update_rss($lim = 10, $name = 'feed.rss')
{
if (! is_int($lim)) {
$lim = 10;
}
$pdo = \shgysk8zer0\Core\PDO::load('connect');
if($pdo->connected) {
$url = \shgysk8zer0\Core\URL::load(URL);
$rss = new \shgysk8zer0\DOM\XML('rss', null, '1.0', 'UTF-8');
$head = $pdo->nameValue('head');
$posts = $pdo->fetchArray(
"SELECT `title`, `url`, `description`, `created`
FROM `posts`
WHERE `url` != ''
ORDER BY `created` DESC
LIMIT {$lim};"
);
$posts = new \shgysk8zer0\Core\ArrayObject($posts);
$rss->documentElement->version = '2.0';
$channel = $rss->documentElement->append('channel');
$site = array(
'title' => htmlspecialchars($head->title, ENT_XML1, $rss->encoding),
'description' => htmlspecialchars($head->description, ENT_XML1, $rss->encoding),
'link' => URL,
'lastBuildDate' => date(DATE_RSS),
'laneguage' => 'en-us'
);
array_map([$channel, 'append'], array_keys($site), array_values($site));
$posts->reduce(
function(\DOMElement $feed, \stdClass $post) use ($url) {
$item = $feed->append('item');
$item->append('title', htmlspecialchars($post->title, ENT_XML1, $feed->ownerDocument->encoding));
$item->append('link', "{$url}posts/{$post->url}");
$item->append('description', htmlspecialchars($post->description, ENT_XML1, $feed->ownerDocument->encoding));
$item->append('pubDate', date(DATE_RSS, strtotime($post->created)));
$item->append('guid', "{$url}posts/{$post->url}");
return $feed;
},
$rss->documentElement
);
$rss->save(BASE . DIRECTORY_SEPARATOR . $name);
}
}
/**
* Gets all keywords for recent posts
*
* @param int $limit Max number of recent posts to get tags from
* @return array Unique keywords for the posts
*/
function get_all_tags($limit = 5)
{
if (! is_int($limit)) {
throw new \InvalidArgumentException(
sprintf('%s expects $limit to be an integer, %s given', __FUNCTION__, gettype($limit))
);
}
$pdo = \shgysk8zer0\Core\PDO::load('connect.json');
if($pdo->connected) {
return array_unique(flatten(array_map(function(\stdClass $result)
{
return array_map(
'trim',
explode(',', $result->keywords)
);
}, $pdo->fetchArray(
"SELECT DISTINCT(`keywords`)
FROM `posts`
ORDER BY `created` DESC
limit {$limit};"
)
)));
} else {
return [];
}
}
/**
* Get $selectors for the $limit most recent posts
*
* @param int $limit Max number for return
* @param array $selectors Select these columns
* @return array
*/
function get_recent_posts($limit = 5, array $selectors = array())
{
$pdo = \shgysk8zer0\Core\PDO::load('connect.json');
if($pdo->connected) {
if (! is_int($limit)) {
$limit = 5;
}
if(empty($selectors)) {
$selectors = [
'title',
'url',
'description'
];
}
array_walk($selectors, [$pdo, 'escape']);
$selectors = '`' . join('`, `', $selectors) . '`';
return $pdo->fetchArray(
"SELECT {$selectors}
FROM `posts`
WHERE `url` != ''
ORDER BY `created`
DESC
LIMIT {$limit};"
);
} else {
return [];
}
}
/**
* Builds a <datalist> for the request, each result being a <option>
*
* @param string $list Requested datalist
* @return string Results as a <datalist>
* @uses \DOMDocument
* @uses \DOMElement
*/
function get_datalist($list)
{
$pdo = \shgysk8zer0\Core\PDO::load('connect.json');
if (! $pdo->connected) {
return;
}
switch(strtolower($list)) {
case 'tags':
$options = get_all_tags();
break;
case 'php_errors_files':
$options = array_map(
function(\stdClass $option)
{
return preg_replace(
'/^' . preg_quote(BASE . DIRECTORY_SEPARATOR, '/') . '/',
null,
$option->file
);
},
$pdo->fetchArray("SELECT DISTINCT(`file`) FROM `PHP_errors`;")
);
break;
default:
return [];
}
$datalist = array_reduce(
$options,
function(\DOMElement $list, $item)
{
$list->option = ['@value' => $item];
return $list;
},
new \shgysk8zer0\Core\HTML_El('datalist', null, null, true)
);
$datalist->{'@id'} = "$list";
return "{$datalist}";
}
/**
* Adds <li>s & <a>s to a list element, specifically for recent tags
*
* @param shgysk8zer0\Core_API\Interfaces\MagicDOM $list <ol> or <ul>
* @param string $item The tag
* @return shgysk8zer0\Core_API\Interfaces\MagicDOM List with tag appended
*/
function recent_tags_list(\shgysk8zer0\Core_API\Interfaces\MagicDOM $list, $item = '')
{
return $list->li(array(
'a' => array(
$item,
'@href' => sprintf('%stags/%s', URL, $item),
'@data-icon' => ','
)
));
}