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<?php |
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/** |
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* Smarty plugin |
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* @package Smarty |
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* @subpackage plugins |
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*/ |
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|
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/** |
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* Smarty {cycle} function plugin |
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* |
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* Type: function<br> |
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* Name: cycle<br> |
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* Date: May 3, 2002<br> |
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* Purpose: cycle through given values<br> |
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* Input: |
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* - name = name of cycle (optional) |
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* - values = comma separated list of values to cycle, |
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* or an array of values to cycle |
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* (this can be left out for subsequent calls) |
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* - reset = boolean - resets given var to true |
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* - print = boolean - print var or not. default is true |
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* - advance = boolean - whether or not to advance the cycle |
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* - delimiter = the value delimiter, default is "," |
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* - assign = boolean, assigns to template var instead of |
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* printed. |
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* |
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* Examples:<br> |
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* <pre> |
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* {cycle values="#eeeeee,#d0d0d0d"} |
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* {cycle name=row values="one,two,three" reset=true} |
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* {cycle name=row} |
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* </pre> |
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* @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle} |
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* (Smarty online manual) |
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* @author Monte Ohrt <monte@ispi.net> |
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* @author credit to Mark Priatel <mpriatel@rogers.com> |
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* @author credit to Gerard <gerard@interfold.com> |
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* @author credit to Jason Sweat <jsweat_php@yahoo.com> |
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* @version 1.3 |
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* @param array |
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* @param Smarty |
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* @return string|null |
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*/ |
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function smarty_function_cycle($params, &$smarty) |
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{ |
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static $cycle_vars; |
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|
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$name = (empty($params['name'])) ? 'default' : $params['name']; |
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$print = (isset($params['print'])) ? (bool)$params['print'] : true; |
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$advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; |
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$reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; |
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|
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if (!in_array('values', array_keys($params))) { |
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if(!isset($cycle_vars[$name]['values'])) { |
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$smarty->trigger_error("cycle: missing 'values' parameter"); |
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return; |
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} |
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} else { |
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if(isset($cycle_vars[$name]['values']) |
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&& $cycle_vars[$name]['values'] != $params['values'] ) { |
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$cycle_vars[$name]['index'] = 0; |
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} |
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$cycle_vars[$name]['values'] = $params['values']; |
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} |
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|
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$cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ','; |
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|
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if(is_array($cycle_vars[$name]['values'])) { |
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$cycle_array = $cycle_vars[$name]['values']; |
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} else { |
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$cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']); |
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} |
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|
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if(!isset($cycle_vars[$name]['index']) || $reset ) { |
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$cycle_vars[$name]['index'] = 0; |
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} |
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|
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if (isset($params['assign'])) { |
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$print = false; |
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$smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]); |
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} |
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|
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if($print) { |
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$retval = $cycle_array[$cycle_vars[$name]['index']]; |
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} else { |
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$retval = null; |
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} |
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|
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if($advance) { |
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if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) { |
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$cycle_vars[$name]['index'] = 0; |
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} else { |
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$cycle_vars[$name]['index']++; |
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} |
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} |
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|
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return $retval; |
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} |
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|
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/* vim: set expandtab: */ |
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|
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?> |
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