[44] | 1 | <?php
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| 2 | /**
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| 3 | * Smarty plugin
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| 4 | * @package Smarty
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| 5 | * @subpackage plugins
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| 6 | */
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| 7 |
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| 8 | /**
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| 9 | * Smarty {cycle} function plugin
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| 10 | *
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| 11 | * Type: function<br>
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| 12 | * Name: cycle<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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| 15 | * Input:
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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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| 25 | * printed.
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| 26 | *
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| 27 | * Examples:<br>
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| 28 | * <pre>
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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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| 31 | * {cycle name=row}
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| 32 | * </pre>
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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 at ohrt dot com>
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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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| 39 | * @version 1.3
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| 40 | * @param array
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| 41 | * @param Smarty
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| 42 | * @return string|null
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| 43 | */
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| 44 | function smarty_function_cycle($params, &$smarty)
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| 45 | {
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| 46 | static $cycle_vars;
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| 47 |
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| 48 | $name = (empty($params['name'])) ? 'default' : $params['name'];
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| 49 | $print = (isset($params['print'])) ? (bool)$params['print'] : true;
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| 50 | $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true;
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| 51 | $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false;
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| 52 |
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| 53 | if (!in_array('values', array_keys($params))) {
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| 54 | if(!isset($cycle_vars[$name]['values'])) {
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| 55 | $smarty->trigger_error("cycle: missing 'values' parameter");
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| 56 | return;
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| 57 | }
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| 58 | } else {
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| 59 | if(isset($cycle_vars[$name]['values'])
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| 60 | && $cycle_vars[$name]['values'] != $params['values'] ) {
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| 61 | $cycle_vars[$name]['index'] = 0;
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| 62 | }
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| 63 | $cycle_vars[$name]['values'] = $params['values'];
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| 64 | }
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| 65 |
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| 66 | $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ',';
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| 67 |
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| 68 | if(is_array($cycle_vars[$name]['values'])) {
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| 69 | $cycle_array = $cycle_vars[$name]['values'];
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| 70 | } else {
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| 71 | $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
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| 72 | }
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| 73 |
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| 74 | if(!isset($cycle_vars[$name]['index']) || $reset ) {
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| 75 | $cycle_vars[$name]['index'] = 0;
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| 76 | }
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| 77 |
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| 78 | if (isset($params['assign'])) {
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| 79 | $print = false;
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| 80 | $smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]);
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| 81 | }
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| 82 |
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| 83 | if($print) {
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| 84 | $retval = $cycle_array[$cycle_vars[$name]['index']];
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| 85 | } else {
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| 86 | $retval = null;
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| 87 | }
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| 88 |
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| 89 | if($advance) {
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| 90 | if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
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| 91 | $cycle_vars[$name]['index'] = 0;
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| 92 | } else {
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| 93 | $cycle_vars[$name]['index']++;
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | return $retval;
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| 98 | }
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| 99 |
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| 100 | /* vim: set expandtab: */
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| 101 |
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| 102 | ?>
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