1 <?php |
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2 /** |
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3 * Smarty plugin |
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4 * |
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5 * @package Smarty |
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6 * @subpackage PluginsFunction |
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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 * Type: function<br> |
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12 * Name: counter<br> |
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13 * Purpose: print out a counter value |
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14 * |
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15 * @author Monte Ohrt <monte at ohrt dot com> |
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16 * @link http://www.smarty.net/manual/en/language.function.counter.php {counter} |
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17 * (Smarty online manual) |
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18 * |
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19 * @param array $params parameters |
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20 * @param Smarty_Internal_Template $template template object |
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21 * |
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22 * @return string|null |
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23 */ |
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24 function smarty_function_counter($params, $template) { |
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25 static $counters = array(); |
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26 |
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27 $name = (isset($params['name'])) ? $params['name'] : 'default'; |
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28 if (!isset($counters[$name])) { |
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29 $counters[$name] = array( |
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30 'start' => 1, |
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31 'skip' => 1, |
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32 'direction' => 'up', |
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33 'count' => 1 |
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34 ); |
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35 } |
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36 $counter =& $counters[$name]; |
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37 |
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38 if (isset($params['start'])) { |
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39 $counter['start'] = $counter['count'] = (int)$params['start']; |
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40 } |
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41 |
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42 if (!empty($params['assign'])) { |
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43 $counter['assign'] = $params['assign']; |
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44 } |
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45 |
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46 if (isset($counter['assign'])) { |
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47 $template->assign($counter['assign'], $counter['count']); |
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48 } |
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49 |
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50 if (isset($params['print'])) { |
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51 $print = (bool)$params['print']; |
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52 } else { |
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53 $print = empty($counter['assign']); |
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54 } |
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55 |
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56 if ($print) { |
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57 $retval = $counter['count']; |
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58 } else { |
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59 $retval = null; |
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60 } |
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61 |
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62 if (isset($params['skip'])) { |
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63 $counter['skip'] = $params['skip']; |
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64 } |
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65 |
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66 if (isset($params['direction'])) { |
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67 $counter['direction'] = $params['direction']; |
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68 } |
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69 |
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70 if ($counter['direction'] == "down") { |
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71 $counter['count'] -= $counter['skip']; |
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72 } else { |
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73 $counter['count'] += $counter['skip']; |
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74 } |
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75 |
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76 return $retval; |
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77 } |
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