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- bugfix loops using modifier capitalize did eat up memory (issue 159)

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Uwe.Tews@googlemail.com
2013-10-03 09:16:27 +00:00
parent 3281c14769
commit 655a2d9301
2 changed files with 36 additions and 11 deletions
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3
change_log.txt
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@@ -1,4 +1,7 @@
===== trunk =====
03.10.2013
- bugfix loops using modifier capitalize did eat up memory (issue 159)
===== Smarty 3.1.15 =====
01.10.2013
- use current delimiters in compiler error messages (issue 157)

38
libs/plugins/modifier.capitalize.php
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@@ -30,18 +30,17 @@ function smarty_modifier_capitalize($string, $uc_digits = false, $lc_rest = fals
$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);
$upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_mbconvert_cb('$matches'), $string);
}
// check uc_digits case
if (!$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 $match) {
foreach($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);
$upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_mbconvert2_cb('$matches'), $upper_string);
return $upper_string;
}
@@ -50,16 +49,39 @@ function smarty_modifier_capitalize($string, $uc_digits = false, $lc_rest = fals
$string = strtolower($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);
$upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_ucfirst_cb('$matches'), $string);
// check uc_digits case
if (!$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 $match) {
foreach($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);
$upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_ucfirst2_cb('$matches'), $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, "' . addslashes(Smarty::$_CHARSET) . '");
}
function smarty_mod_cap_mbconvert2_cb($matches){
return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[3]),MB_CASE_UPPER, "' . addslashes(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]));
}