108 lines
3.2 KiB
PHP
108 lines
3.2 KiB
PHP
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<?php
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/**
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* Smarty plugin
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*
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* @package Smarty
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* @subpackage PluginsFunction
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*/
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/**
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* Smarty {cycle} function plugin
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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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* Params:
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* <pre>
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* - name - name of cycle (optional)
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* - values - comma separated list of values to cycle, 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 printed.
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* </pre>
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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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*
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* @link http://www.smarty.net/manual/en/language.function.cycle.php {cycle}
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* (Smarty online manual)
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* @author Monte Ohrt <monte at ohrt dot com>
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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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*
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* @param array $params parameters
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* @param Smarty_Internal_Template $template template object
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*
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* @return string|null
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*/
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function smarty_function_cycle($params, $template)
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{
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static $cycle_vars;
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$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) $params['reset'] : false;
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if (!isset($params['values'])) {
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if (!isset($cycle_vars[$name]['values'])) {
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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'] != $params['values']
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) {
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$cycle_vars[$name]['index'] = 0;
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}
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$cycle_vars[$name]['values'] = $params['values'];
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}
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if (isset($params['delimiter'])) {
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$cycle_vars[$name]['delimiter'] = $params['delimiter'];
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} elseif (!isset($cycle_vars[$name]['delimiter'])) {
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$cycle_vars[$name]['delimiter'] = ',';
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}
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if (is_array($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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if (!isset($cycle_vars[$name]['index']) || $reset) {
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$cycle_vars[$name]['index'] = 0;
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}
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if (isset($params['assign'])) {
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$print = false;
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$template->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]);
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}
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if ($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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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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return $retval;
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}
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