modifier.capitalize.php

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<?php
function smarty_modifier_capitalize($string, $uc_digits = false, $lc_rest = false)
{
    if (Smarty::$_MBSTRING) {
        if ($lc_rest) {
            // uppercase (including hyphenated words)
            $upper_string = mb_convert_case( $string, MB_CASE_TITLE, Smarty::$_CHARSET );
        } else {
            // uppercase word breaks
            $upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[2]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");'), $string);
        }
        // check uc_digits case
        if (!$uc_digits) {
            if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) {
                foreach($matches[1] as $match) {
                    $upper_string = substr_replace($upper_string, mb_strtolower($match[0], Smarty::$_CHARSET), $match[1], strlen($match[0]));
                }
            } 
        }
        $upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[3]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");'), $upper_string);
        return $upper_string;
    }
    
    // lowercase first
    if ($lc_rest) {
        $string = strtolower($string);
    }
    // uppercase (including hyphenated words)
    $upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).ucfirst(stripslashes($matches[2]));'), $string); 
    // check uc_digits case
    if (!$uc_digits) {
        if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) {
            foreach($matches[1] as $match) {
                $upper_string = substr_replace($upper_string, strtolower($match[0]), $match[1], strlen($match[0]));
            }
        } 
    }
    $upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).ucfirst(stripslashes($matches[3]));'), $upper_string);
    return $upper_string;
} 

?>