smilie shortcut * 'icons' => icon in html * * @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array) */ public static function list_smilies() { $texts = array( '<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 = array( '

', '

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

', '

', '

', '

', '

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

', '

', '

', '

', '

', '

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

', '

', '

', '

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

', '

', '

', '

', '

', '

', '

', '

', '

', '

', 'red

matrix' ); $params = array('texts' => $texts, 'icons' => $icons); call_hooks('smilie', $params); return $params; } /** * @brief 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 * * @param string $s * @param boolean $sample * * @return string */ public static function replace($s, $sample = false) { if(intval(get_config('system','no_smilies')) || (local_user() && intval(get_pconfig(local_user(),'system','no_smilies')))) return $s; $s = preg_replace_callback('/

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

		$params = self::list_smilies();
		$params['string'] = $s;

		if($sample) {
			$s = '';
			for($x = 0; $x < count($params['texts']); $x ++) {
				$s .= '' . $params['texts'][$x] . '
' . $params['icons'][$x] . '';
			}
		}
		else {
			$params['string'] = preg_replace_callback('/<(3+)/','self::preg_heart',$params['string']);
			$s = str_replace($params['texts'],$params['icons'],$params['string']);
		}

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

		return $s;
	}

	private function smile_encode($m) {
		return(str_replace($m[1],base64url_encode($m[1]),$m[0]));
	}

	private function smile_decode($m) {
		return(str_replace($m[1],base64url_decode($m[1]),$m[0]));
	}


	/**
	 * @brief expand <3333 to the correct number of hearts
	 *
	 * @param string $x
	 * @return string
	 */
	private function preg_heart($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;
	}

}