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 | /**
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10 | * Smarty {counter} function plugin
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11 | *
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12 | * Type: function<br>
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13 | * Name: counter<br>
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14 | * Purpose: print out a counter value
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15 | * @author Monte Ohrt <monte at ohrt dot com>
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16 | * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
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17 | * (Smarty online manual)
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18 | * @param array parameters
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19 | * @param Smarty
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20 | * @return string|null
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21 | */
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22 | function smarty_function_counter($params, &$smarty)
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23 | {
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24 | static $counters = array();
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25 |
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26 | $name = (isset($params['name'])) ? $params['name'] : 'default';
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27 | if (!isset($counters[$name])) {
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28 | $counters[$name] = array(
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29 | 'start'=>1,
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30 | 'skip'=>1,
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31 | 'direction'=>'up',
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32 | 'count'=>1
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33 | );
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34 | }
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35 | $counter =& $counters[$name];
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36 |
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37 | if (isset($params['start'])) {
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38 | $counter['start'] = $counter['count'] = (int)$params['start'];
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39 | }
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40 |
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41 | if (!empty($params['assign'])) {
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42 | $counter['assign'] = $params['assign'];
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43 | }
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44 |
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45 | if (isset($counter['assign'])) {
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46 | $smarty->assign($counter['assign'], $counter['count']);
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47 | }
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48 |
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49 | if (isset($params['print'])) {
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50 | $print = (bool)$params['print'];
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51 | } else {
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52 | $print = empty($counter['assign']);
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53 | }
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54 |
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55 | if ($print) {
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56 | $retval = $counter['count'];
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57 | } else {
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58 | $retval = null;
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59 | }
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60 |
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61 | if (isset($params['skip'])) {
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62 | $counter['skip'] = $params['skip'];
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63 | }
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64 |
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65 | if (isset($params['direction'])) {
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66 | $counter['direction'] = $params['direction'];
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67 | }
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68 |
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69 | if ($counter['direction'] == "down")
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70 | $counter['count'] -= $counter['skip'];
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71 | else
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72 | $counter['count'] += $counter['skip'];
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73 |
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74 | return $retval;
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75 |
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76 | }
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77 |
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78 | /* vim: set expandtab: */
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79 |
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80 | ?>
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