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<?php |
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namespace Aiur18\Filter; |
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use Michelf\MarkdownExtra; |
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// // Include essentials |
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// require __DIR__ . "/config.php"; |
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// require __DIR__ . "/autoload.php"; |
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// Include essentials |
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// require __DIR__ . "/../config.php"; |
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// require __DIR__ . "/../../vendor/autoload.php"; |
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/** |
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* Filter and format text content. |
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* |
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* @SuppressWarnings(PHPMD.UnusedFormalParameter) |
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* @SuppressWarnings(PHPMD.UnusedPrivateField) |
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*/ |
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class MyTextFilter |
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{ |
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/** |
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* @var array $filters Supported filters with method names of |
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* their respective handler. |
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*/ |
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private $filters = [ |
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"bbcode" => "bbcode2html", |
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"link" => "makeClickable", |
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"markdown" => "markdown", |
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"nl2br" => "nl2br", |
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]; |
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/** |
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* Call each filter on the text and return the processed text. |
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* |
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* @param string $text The text to filter. |
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* @param array $filter Array of filters to use. |
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* |
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* @return string with the formatted text. |
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*/ |
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public function parse($text, $filter) |
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{ |
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foreach ($filter as $value) { |
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$temp = ""; |
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if ($value == "markdown") { |
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$temp = $this->markdown($text); |
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$text = $temp; |
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} elseif ($value == "bbcode") { |
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$temp = $this->bbcode2html($text); |
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$text = $temp; |
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} elseif ($value == "link") { |
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$temp = $this->makeClickable($text); |
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$text = $temp; |
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} elseif ($value == "nl2br") { |
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$temp = $this->nl2br($text); |
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$text = $temp; |
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} |
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} |
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return $text; |
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} |
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/** |
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* Helper, BBCode formatting converting to HTML. |
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* |
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* @param string $text The text to be converted. |
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* |
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* @return string the formatted text. |
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*/ |
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public function bbcode2html($text) |
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{ |
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$search = [ |
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'/\[b\](.*?)\[\/b\]/is', |
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'/\[i\](.*?)\[\/i\]/is', |
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'/\[u\](.*?)\[\/u\]/is', |
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'/\[img\](https?.*?)\[\/img\]/is', |
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'/\[url\](https?.*?)\[\/url\]/is', |
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'/\[url=(https?.*?)\](.*?)\[\/url\]/is' |
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]; |
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$replace = [ |
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'<strong>$1</strong>', |
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'<em>$1</em>', |
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'<u>$1</u>', |
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'<img src="$1" />', |
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'<a href="$1">$1</a>', |
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'<a href="$1">$2</a>' |
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]; |
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return preg_replace($search, $replace, $text); |
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} |
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/** |
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* Make clickable links from URLs in text. |
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* |
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* @param string $text The text that should be formatted. |
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* |
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* @return string with formatted anchors. |
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*/ |
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public function makeClickable($text) |
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{ |
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return preg_replace_callback( |
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'#\b(?<![href|src]=[\'"])https?://[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))#', |
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function ($matches) { |
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return "<a href=\'{$matches[0]}\'>{$matches[0]}</a>"; |
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}, |
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$text |
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); |
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} |
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/** |
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* Format text according to Markdown syntax. |
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* |
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* @param string $text The text that should be formatted. |
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* |
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* @return string as the formatted html text. |
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*/ |
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public function markdown($text) |
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{ |
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return MarkdownExtra::defaultTransform($text); |
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} |
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/** |
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* For convenience access to nl2br formatting of text. |
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* |
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* @param string $text The text that should be formatted. |
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* |
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* @return string the formatted text. |
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*/ |
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public function nl2br($text) |
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{ |
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$temp = nl2br($text); |
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return $temp; |
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} |
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} |
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