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]));
	}

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