<?php
/**
 * Smarty plugin
 *
 * @package    Smarty
 * @subpackage PluginsModifierCompiler
 */

/**
 * Smarty count_characters modifier plugin
 * Type:     modifier<br>
 * Name:     count_characteres<br>
 * Purpose:  count the number of characters in a text
 *
 * @link   http://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online manual)
 * @author Uwe Tews
 *
 * @param array $params parameters
 *
 * @return string with compiled code
 */
function smarty_modifiercompiler_count_characters( $params ) {
	if ( ! isset( $params[1] ) || $params[1] != 'true' ) {
		return 'preg_match_all(\'/[^\s]/' . Smarty::$_UTF8_MODIFIER . '\',' . $params[0] . ', $tmp)';
	}
	if ( Smarty::$_MBSTRING ) {
		return 'mb_strlen(' . $params[0] . ', \'' . addslashes( Smarty::$_CHARSET ) . '\')';
	}
	
	// no MBString fallback
	return 'strlen(' . $params[0] . ')';
}
