smilie shortcut * 'icons' => icon in html * * @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array) */ public static function getList() { $texts = [ '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':-P', ':-p', ':-"', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O', ':-O', '\\o/', 'o.O', 'O.o', 'o_O', 'O_o', ":'(", ":-!", ":-/", ":-[", "8-)", ':beer', ':homebrew', ':coffee', ':facepalm', ':like', ':dislike', '~friendica', 'red#', 'red#matrix' ]; $icons = [ '

', '

', ' $<\\3$ ', '

', '

', ' $:-\$ ', ' $:-\$ ', '

', '

', ' $\\o/$ ', '

', '

', ' $:\'($ ', '

', '

', '~friendica

', 'red

matrix', 'red

matrix' ]; $params = ['texts' => $texts, 'icons' => $icons]; Addon::callHooks('smilie', $params); return $params; } /** * Copied from http://php.net/manual/en/function.str-replace.php#88569 * Modified for camel caps: renamed stro_replace -> strOrigReplace * * When using str_replace(...), values that did not exist in the original string (but were put there by previous * replacements) will be replaced continuously. This string replacement function is designed to replace the values * in $search with those in $replace while not factoring in prior replacements. Note that this function will * always look for the longest possible match first and then work its way down to individual characters. * * @param array $search list of strings or characters that need to be replaced * @param array $replace list of strings or characters that will replace the corresponding values in $search * @param string $subject the string on which this operation is being performed * * @return string $subject with all substrings in the $search array replaced by the values in the $replace array */ private static function strOrigReplace($search, $replace, $subject) { return strtr($subject, array_combine($search, $replace)); } /** * Replaces text emoticons with graphical images * * It is expected that this function will be called using HTML text. * We will escape text between HTML pre and code blocks from being * processed. * * At a higher level, the bbcode [nosmile] tag can be used to prevent this * function from being executed by the prepare_text() routine when preparing * bbcode source for HTML display * * @brief Replaces text emoticons with graphical images * @param string $s Text that should be replaced * @param boolean $no_images Only replace emoticons without images * * @return string HTML Output of the Smilie */ public static function replace($s, $no_images = false) { $smilies = self::getList(); $s = self::replaceFromArray($s, $smilies, $no_images); return $s; } /** * Replaces emoji shortcodes in a string from a structured array of searches and replaces. * * Depends on system.no_smilies config value, skips

 and  tags.
	 *
	 * @param string $text      An HTML string
	 * @param array  $smilies   An string replacement array with the following structure: ['texts' => [], 'icons' => []]
	 * @param bool   $no_images Only replace shortcodes without image replacement (e.g. Unicode characters)
	 * @return string
	 */
	public static function replaceFromArray($text, array $smilies, $no_images = false)
	{
		if (intval(Config::get('system', 'no_smilies'))
			|| (local_user() && intval(PConfig::get(local_user(), 'system', 'no_smilies')))
		) {
			return $text;
		}

		$text = preg_replace_callback('/(.*?)<\/pre>/ism'  , 'self::encode', $text);
		$text = preg_replace_callback('/(.*?)<\/code>/ism', 'self::encode', $text);

		if ($no_images) {
			$cleaned = ['texts' => [], 'icons' => []];
			$icons = $smilies['icons'];
			foreach ($icons as $key => $icon) {
				if (!strstr($icon, '(.*?)<\/pre>/ism', 'self::decode', $text);
		$text = preg_replace_callback('/(.*?)<\/code>/ism', 'self::decode', $text);

		return $text;
	}

	/**
	 * @param string $m string
	 *
	 * @return string base64 encoded string
	 */
	private static function encode($m)
	{
		return(str_replace($m[1], base64url_encode($m[1]), $m[0]));
	}

	/**
	 * @param string $m string
	 *
	 * @return string base64 decoded string
	 */
	private static function decode($m)
	{
		return(str_replace($m[1], base64url_decode($m[1]), $m[0]));
	}


	/**
	 * @brief expand <3333 to the correct number of hearts
	 *
	 * @param string $x string
	 *
	 * @return string HTML Output
	 *
	 * @todo: Rework because it doesn't work correctly
	 */
	private static function pregHeart($x)
	{
		if (strlen($x[1]) == 1) {
			return $x[0];
		}
		$t = '';
		for ($cnt = 0; $cnt < strlen($x[1]); $cnt ++) {
			$t .= '';
		}
		$r =  str_replace($x[0], $t, $x[0]);
		return $r;
	}
}