modifier.capitalize.php
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<?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsModifier
*/
/**
* Smarty capitalize modifier plugin
* Type: modifier<br>
* Name: capitalize<br>
* Purpose: capitalize words in the string
* {@internal {$string|capitalize:true:true} is the fastest option for MBString enabled systems }}
*
* @param string $string string to capitalize
* @param boolean $uc_digits also capitalize "x123" to "X123"
* @param boolean $lc_rest capitalize first letters, lowercase all following letters "aAa" to "Aaa"
*
* @return string capitalized string
* @author Monte Ohrt <monte at ohrt dot com>
* @author Rodney Rehm
*/
function smarty_modifier_capitalize($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, 'smarty_mod_cap_mbconvert_cb', $string);
}
// check uc_digits case
if (!$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, 'smarty_mod_cap_mbconvert2_cb', $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, 'smarty_mod_cap_ucfirst_cb', $string);
// check uc_digits case
if (!$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, 'smarty_mod_cap_ucfirst2_cb', $upper_string);
return $upper_string;
}
/*
*
* Bug: create_function() use exhausts memory when used in long loops
* Fix: use declared functions for callbacks instead of using create_function()
* Note: This can be fixed using anonymous functions instead, but that requires PHP >= 5.3
*
* @author Kyle Renfrow
*/
function smarty_mod_cap_mbconvert_cb($matches)
{
return stripslashes($matches[1]) . mb_convert_case(stripslashes($matches[2]), MB_CASE_UPPER, Smarty::$_CHARSET);
}
function smarty_mod_cap_mbconvert2_cb($matches)
{
return stripslashes($matches[1]) . mb_convert_case(stripslashes($matches[3]), MB_CASE_UPPER, Smarty::$_CHARSET);
}
function smarty_mod_cap_ucfirst_cb($matches)
{
return stripslashes($matches[1]) . ucfirst(stripslashes($matches[2]));
}
function smarty_mod_cap_ucfirst2_cb($matches)
{
return stripslashes($matches[1]) . ucfirst(stripslashes($matches[3]));
}