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Diffstat (limited to 'lib/smarty/libs/plugins/function.math.php')
| -rw-r--r-- | lib/smarty/libs/plugins/function.math.php | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/lib/smarty/libs/plugins/function.math.php b/lib/smarty/libs/plugins/function.math.php deleted file mode 100644 index f4d3f05ee..000000000 --- a/lib/smarty/libs/plugins/function.math.php +++ /dev/null @@ -1,87 +0,0 @@ -<?php -/** - * Smarty plugin - * - * This plugin is only for Smarty2 BC - * @package Smarty - * @subpackage PluginsFunction - */ - -/** - * Smarty {math} function plugin - * - * Type: function<br> - * Name: math<br> - * Purpose: handle math computations in template - * - * @link http://www.smarty.net/manual/en/language.function.math.php {math} - * (Smarty online manual) - * @author Monte Ohrt <monte at ohrt dot com> - * @param array $params parameters - * @param Smarty_Internal_Template $template template object - * @return string|null - */ -function smarty_function_math($params, $template) -{ - static $_allowed_funcs = array( - 'int' => true, 'abs' => true, 'ceil' => true, 'cos' => true, 'exp' => true, 'floor' => true, - 'log' => true, 'log10' => true, 'max' => true, 'min' => true, 'pi' => true, 'pow' => true, - 'rand' => true, 'round' => true, 'sin' => true, 'sqrt' => true, 'srand' => true ,'tan' => true - ); - // be sure equation parameter is present - if (empty($params['equation'])) { - trigger_error("math: missing equation parameter",E_USER_WARNING); - return; - } - - $equation = $params['equation']; - - // make sure parenthesis are balanced - if (substr_count($equation,"(") != substr_count($equation,")")) { - trigger_error("math: unbalanced parenthesis",E_USER_WARNING); - return; - } - - // match all vars in equation, make sure all are passed - preg_match_all("!(?:0x[a-fA-F0-9]+)|([a-zA-Z][a-zA-Z0-9_]*)!",$equation, $match); - - foreach($match[1] as $curr_var) { - if ($curr_var && !isset($params[$curr_var]) && !isset($_allowed_funcs[$curr_var])) { - trigger_error("math: function call $curr_var not allowed",E_USER_WARNING); - return; - } - } - - foreach($params as $key => $val) { - if ($key != "equation" && $key != "format" && $key != "assign") { - // make sure value is not empty - if (strlen($val)==0) { - trigger_error("math: parameter $key is empty",E_USER_WARNING); - return; - } - if (!is_numeric($val)) { - trigger_error("math: parameter $key: is not numeric",E_USER_WARNING); - return; - } - $equation = preg_replace("/\b$key\b/", " \$params['$key'] ", $equation); - } - } - $smarty_math_result = null; - eval("\$smarty_math_result = ".$equation.";"); - - if (empty($params['format'])) { - if (empty($params['assign'])) { - return $smarty_math_result; - } else { - $template->assign($params['assign'],$smarty_math_result); - } - } else { - if (empty($params['assign'])){ - printf($params['format'],$smarty_math_result); - } else { - $template->assign($params['assign'],sprintf($params['format'],$smarty_math_result)); - } - } -} - -?>
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