5 * @subpackage plugins
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9 * Smarty {cycle} function plugin
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11 * Type: function<br>
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13 * Date: May 3, 2002<br>
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14 * Purpose: cycle through given values<br>
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16 * - name = name of cycle (optional)
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17 * - values = comma separated list of values to cycle,
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18 * or an array of values to cycle
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19 * (this can be left out for subsequent calls)
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20 * - reset = boolean - resets given var to true
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21 * - print = boolean - print var or not. default is true
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22 * - advance = boolean - whether or not to advance the cycle
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23 * - delimiter = the value delimiter, default is ","
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24 * - assign = boolean, assigns to template var instead of
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29 * {cycle values="#eeeeee,#d0d0d0d"}
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30 * {cycle name=row values="one,two,three" reset=true}
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33 * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle}
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34 * (Smarty online manual)
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35 * @author Monte Ohrt <monte@ispi.net>
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36 * @author credit to Mark Priatel <mpriatel@rogers.com>
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37 * @author credit to Gerard <gerard@interfold.com>
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38 * @author credit to Jason Sweat <jsweat_php@yahoo.com>
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42 * @return string|null
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44 function smarty_function_cycle($params, &$smarty)
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54 if (!isset($print)) {
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58 if (!isset($advance)) {
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62 if (!isset($reset)) {
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66 if (!in_array('values', array_keys($params))) {
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67 if(!isset($cycle_vars[$name]['values'])) {
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68 $smarty->trigger_error("cycle: missing 'values' parameter");
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72 if(isset($cycle_vars[$name]['values'])
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73 && $cycle_vars[$name]['values'] != $values ) {
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74 $cycle_vars[$name]['index'] = 0;
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76 $cycle_vars[$name]['values'] = $values;
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79 if (isset($delimiter)) {
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80 $cycle_vars[$name]['delimiter'] = $delimiter;
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81 } elseif (!isset($cycle_vars[$name]['delimiter'])) {
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82 $cycle_vars[$name]['delimiter'] = ',';
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85 if(!is_array($cycle_vars[$name]['values'])) {
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86 $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
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88 $cycle_array = $cycle_vars[$name]['values'];
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91 if(!isset($cycle_vars[$name]['index']) || $reset ) {
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92 $cycle_vars[$name]['index'] = 0;
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95 if (isset($assign)) {
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97 $smarty->assign($assign, $cycle_array[$cycle_vars[$name]['index']]);
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101 $retval = $cycle_array[$cycle_vars[$name]['index']];
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107 if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
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108 $cycle_vars[$name]['index'] = 0;
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110 $cycle_vars[$name]['index']++;
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117 /* vim: set expandtab: */
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