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https://github.com/smarty-php/smarty.git
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367 lines
12 KiB
PHP
367 lines
12 KiB
PHP
<?php
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/*
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* Project: Smarty: the PHP compiled template engine
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* File: Smarty.addons.php
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* Author: Monte Ohrt <monte@ispi.net>
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* Andrei Zmievski <andrei@ispi.net>
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* Version: 1.3.1
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* Copyright: 2001 ispi of Lincoln, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* You may contact the authors of Smarty by e-mail at:
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* monte@ispi.net
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* andrei@ispi.net
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*
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* Or, write to:
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* Monte Ohrt
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* CTO, ispi
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* 237 S. 70th suite 220
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* Lincoln, NE 68510
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*
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* The latest version of Smarty can be obtained from:
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* http://www.phpinsider.com
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*
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*/
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/*============================================*\
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Inserts handler
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\*============================================*/
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function _smarty_insert_handler($args, $caching, $delimiter)
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{
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if ($caching) {
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$arg_string = serialize($args);
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return "$delimiter{insert_cache $arg_string}$delimiter";
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} else {
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$function_name = 'insert_'.$args['name'];
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return $function_name($args);
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}
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}
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/*============================================*\
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Modifiers
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\*============================================*/
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function _smarty_mod_handler()
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{
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$args = func_get_args();
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list($func_name, $map_array) = array_splice($args, 0, 2);
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$var = $args[0];
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if ($map_array && is_array($var)) {
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foreach ($var as $key => $val) {
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$args[0] = $val;
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$var[$key] = call_user_func_array($func_name, $args);
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}
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return $var;
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} else {
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return call_user_func_array($func_name, $args);
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}
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}
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/*======================================================================*\
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Function: smarty_mod_escape
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Purpose: Escape the string according to escapement type
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\*======================================================================*/
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function smarty_mod_escape($string, $esc_type = 'html')
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{
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switch ($esc_type) {
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case 'html':
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return htmlspecialchars($string);
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case 'url':
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return urlencode($string);
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default:
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return $string;
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}
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}
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/*======================================================================*\
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Function: smarty_mod_truncate
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Purpose: Truncate a string to a certain length if necessary,
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optionally splitting in the middle of a word, and
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appending the $etc string.
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\*======================================================================*/
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function smarty_mod_truncate($string, $length = 80, $etc = '...', $break_words = false)
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{
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if ($length == 0)
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return '';
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if (strlen($string) > $length) {
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$length -= strlen($etc);
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$fragment = substr($string, 0, $length+1);
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if ($break_words)
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$fragment = substr($fragment, 0, -1);
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else
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$fragment = preg_replace('/\s+(\S+)?$/', '', $fragment);
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return $fragment.$etc;
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} else
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return $string;
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}
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/*======================================================================*\
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Function: smarty_mod_spacify
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Purpose: add spaces between characters in a string
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\*======================================================================*/
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function smarty_mod_spacify($string, $spacify_char = ' ')
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{
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return implode($spacify_char, preg_split('//', $string, -1, PREG_SPLIT_NO_EMPTY));
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}
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/*======================================================================*\
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Function: smarty_mod_date_format
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Purpose: format datestamps via strftime
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\*======================================================================*/
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function smarty_mod_date_format($string, $format="%b %e, %Y")
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{
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return strftime($format, $string);
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}
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/*======================================================================*\
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Function: smarty_mod_string_format
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Purpose: format strings via sprintf
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\*======================================================================*/
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function smarty_mod_string_format($string, $format)
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{
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return sprintf($format, $string);
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}
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/*======================================================================*\
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Function: smarty_mod_replace
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Purpose: simple search/replace
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\*======================================================================*/
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function smarty_mod_replace($string, $search, $replace)
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{
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return str_replace($search, $replace, $string);
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}
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/*======================================================================*\
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Function: smarty_mod_strip_tags
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Purpose: strip html tags from text
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\*======================================================================*/
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function smarty_mod_strip_tags($string, $replace_with_space = true)
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{
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if ($replace_with_space)
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return preg_replace('!<[^>]*?>!', ' ', $string);
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else
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return strip_tags($string);
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}
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/*======================================================================*\
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Function: smarty_mod_default
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Purpose: designate default text for empty variables
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\*======================================================================*/
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function smarty_mod_default($string, $default="")
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{
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if(empty($string))
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return $default;
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else
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return $string;
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}
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/*============================================*\
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Custom tag functions
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\*============================================*/
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/*======================================================================*\
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Function: smarty_func_html_options
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Purpose: Prints the list of <option> tags generated from
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the passed parameters
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\*======================================================================*/
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function smarty_func_html_options()
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{
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$print_result = true;
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extract(func_get_arg(0));
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$html_result = "";
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settype($selected, 'array');
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if (isset($options)) {
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settype($options, 'array');
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foreach ($options as $key => $value) {
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$html_result .= "<option value=\"$key\"";
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if (in_array($key, $selected))
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$html_result .= " selected";
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$html_result .= ">$value</option>\n";
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}
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} else {
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settype($output, 'array');
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settype($values, 'array');
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for ($i = 0; $i < count($output); $i++) {
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/* By default, check value against $selected */
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$sel_check = $values[$i];
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$html_result .= "<option";
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if ($i < count($values))
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$html_result .= " value=\"".$values[$i]."\"";
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else
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$sel_check = $output[$i]; /* if more outputs than values, then
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check output against $selected */
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if (in_array($sel_check, $selected))
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$html_result .= " selected";
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$html_result .= ">".$output[$i]."</option>\n";
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}
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}
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if ($print_result)
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print $html_result;
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else
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return $html_result;
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}
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/*======================================================================*\
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Function: smarty_func_html_select_date
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Purpose: Prints the dropdowns for date selection.
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\*======================================================================*/
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function smarty_func_html_select_date()
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{
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/* Default values. */
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$prefix = "Date_";
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$time = time();
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$start_year = strftime("%Y");
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$end_year = $start_year;
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$display_days = true;
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$display_months = true;
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$display_years = true;
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$month_format = "%B";
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$day_format = "%02d";
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$year_as_text = false;
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extract(func_get_arg(0));
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$html_result = "";
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if ($display_months) {
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$month_names = array();
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for ($i = 1; $i <= 12; $i++)
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$month_names[] = strftime($month_format, mktime(0, 0, 0, $i, 1, 2000));
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$html_result .= '<select name="'.$prefix.'Month">'."\n";
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$html_result .= smarty_func_html_options(array('output' => $month_names,
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'values' => range(1, 12),
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'selected' => strftime("%m", $time),
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'print_result' => false));
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$html_result .= "</select>\n";
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}
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if ($display_days) {
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$days = range(1, 31);
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array_walk($days, create_function('&$x', '$x = sprintf("'.$day_format.'", $x);'));
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$html_result .= '<select name="'.$prefix.'Day">'."\n";
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$html_result .= smarty_func_html_options(array('output' => $days,
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'values' => range(1, 31),
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'selected' => strftime("%d", $time),
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'print_result' => false));
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$html_result .= "</select>\n";
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}
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if ($display_years) {
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if ($year_as_text) {
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$html_result .= '<input type="text" name="'.$prefix.'Year" value="'.strftime('%Y', $time).'" size="4" maxlength="4">';
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} else {
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$years = range($start_year, $end_year);
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$html_result .= '<select name="'.$prefix.'Year">'."\n";
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$html_result .= smarty_func_html_options(array('output' => $years,
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'values' => $years,
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'selected' => strftime("%Y", $time),
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'print_result' => false));
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$html_result .= "</select>\n";
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}
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}
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print $html_result;
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}
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/*======================================================================*\
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Function: smarty_func_math
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Purpose: allow math computations in template
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\*======================================================================*/
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function smarty_func_math() {
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$args=func_get_arg(0);
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// be sure equation parameter is present
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if(empty($args["equation"])) {
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trigger_error("math: missing equation parameter");
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return;
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}
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$equation = $args["equation"];
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// make sure parenthesis are balanced
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if(substr_count($equation,"(") != substr_count($equation,")")) {
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trigger_error("math: unbalanced parenthesis");
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return;
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}
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// match all vars in equation, make sure all are passed
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preg_match_all("![a-zA-Z][a-zA-Z0-9]*!",$equation,$match);
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foreach($match[0] as $curr_var) {
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if(!in_array($curr_var,array_keys($args)) &&
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!in_array($curr_var,array('int','abs','ceil','cos','exp','floor','log','log10',
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'max','min','pi','pow','rand','round','sin','sqrt','srand','tan')) ) {
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trigger_error("math: parameter $curr_var not passed as argument");
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return;
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}
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}
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foreach($args as $key => $val) {
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if($key != "equation") {
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// make sure value is not empty
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if(strlen($val)==0) {
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trigger_error("math: parameter $key is empty");
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return;
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}
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if(!is_numeric($val)) {
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trigger_error("math: parameter $key: is not numeric");
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return;
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}
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$equation = preg_replace("/\b$key\b/",$val,$equation);
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}
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}
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eval("echo ".$equation.";");
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}
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/*======================================================================*\
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Function: smarty_func_fetch
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Purpose: fetch file, web or ftp data and display results
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\*======================================================================*/
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function smarty_func_fetch() {
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extract(func_get_arg(0));
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if(empty($file)) {
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trigger_error("parameter 'file' cannot be empty");
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return;
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}
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readfile($file);
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}
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/* vim: set expandtab: */
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?>
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