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<?php
class ClansphereAbcode {
# alle registered patter
private static $patterns = array();
public static function convert($string, $options = array()) {
$string = self::secure($string);
foreach(self::$patterns AS $pat => $func) {
$string = preg_replace_callback($pat, $func, $string);
}
return $string;
}
public static function secure($string) {
$string = htmlentities($string, ENT_QUOTES, 'UTF-8');
return $string;
}
public static function register_pattern($pat, $function) {
if(!isset(self::$patterns[$pat])) {
if(is_string($function)) {
if(preg_match('/return/',$function)>0)
self::$patterns[$pat] = create_function('$match',$function);
else
self::$patterns[$pat] = $function;
}
elseif(is_object($function))
self::$patterns[$pat] = $function;
}
}
public static function remove_pattern($pat) {
if(isset(self::$patterns[$pat]))
unset(self::$patterns[$pat]);
}
}
# three ways to register a pattern:
# anonymous function as string
ClansphereAbcode::register_pattern('=\[b\](.*?)\[/b\]=si', 'return "<b>" . $match[1] . "</b>";');
ClansphereAbcode::register_pattern('=\[u\](.*?)\[/u\]=si', 'return "<u>" . $match[1] . "</u>";');
# anonymous function as object (php5.3?)
ClansphereAbcode::register_pattern('=\[i\](.*?)\[/i\]=si', function($match) {return "<i>" . $match[1] . "</i>" ;});
# function by name
class MyClansphereAddon {
public static function crazy($string) {
return $string[1] . ' IS CRAZY!!';
}
}
ClansphereAbcode::register_pattern('=\[cr\](.*?)\[/cr\]=si', 'MyClansphereAddon::crazy');
# you can also remove a pattern
ClansphereAbcode::remove_pattern('=\[b\](.*?)\[/b\]=si');
# let's use it
$string = '<div>[u]underlined[/u][b]bold[/b][i]italic[/i]</div>[cr]Peter[/cr]';
$string = ClansphereAbcode::convert($string);
echo $string;
# output: <div>underlined[b]bold[/b]italic</div>Peter IS CRAZY!!
?>
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