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 {cycle} function plugin |
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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 * Params: |
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16 * <pre> |
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17 * - name - name of cycle (optional) |
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18 * - values - comma separated list of values to cycle, 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 printed. |
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25 * </pre> |
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26 * Examples:<br> |
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27 * <pre> |
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28 * {cycle values="#eeeeee,#d0d0d0d"} |
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29 * {cycle name=row values="one,two,three" reset=true} |
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30 * {cycle name=row} |
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31 * </pre> |
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32 * |
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33 * @link http://www.smarty.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 * |
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41 * @param array $params parameters |
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42 * @param Smarty_Internal_Template $template template object |
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43 * |
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44 * @return string|null |
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45 */ |
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46 |
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47 function smarty_function_cycle($params, $template) { |
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48 static $cycle_vars; |
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49 |
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50 $name = (empty($params['name'])) ? 'default' : $params['name']; |
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51 $print = (isset($params['print'])) ? (bool)$params['print'] : true; |
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52 $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; |
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53 $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; |
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54 |
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55 if (!isset($params['values'])) { |
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56 if (!isset($cycle_vars[$name]['values'])) { |
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57 trigger_error("cycle: missing 'values' parameter"); |
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58 |
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59 return; |
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60 } |
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61 } else { |
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62 if (isset($cycle_vars[$name]['values']) |
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63 && $cycle_vars[$name]['values'] != $params['values'] |
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64 ) { |
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65 $cycle_vars[$name]['index'] = 0; |
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66 } |
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67 $cycle_vars[$name]['values'] = $params['values']; |
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68 } |
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69 |
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70 if (isset($params['delimiter'])) { |
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71 $cycle_vars[$name]['delimiter'] = $params['delimiter']; |
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72 } elseif (!isset($cycle_vars[$name]['delimiter'])) { |
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73 $cycle_vars[$name]['delimiter'] = ','; |
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74 } |
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75 |
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76 if (is_array($cycle_vars[$name]['values'])) { |
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77 $cycle_array = $cycle_vars[$name]['values']; |
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78 } else { |
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79 $cycle_array = explode($cycle_vars[$name]['delimiter'], $cycle_vars[$name]['values']); |
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80 } |
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81 |
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82 if (!isset($cycle_vars[$name]['index']) || $reset) { |
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83 $cycle_vars[$name]['index'] = 0; |
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84 } |
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85 |
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86 if (isset($params['assign'])) { |
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87 $print = false; |
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88 $template->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]); |
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89 } |
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90 |
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91 if ($print) { |
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92 $retval = $cycle_array[$cycle_vars[$name]['index']]; |
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93 } else { |
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94 $retval = null; |
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95 } |
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96 |
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97 if ($advance) { |
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98 if ($cycle_vars[$name]['index'] >= count($cycle_array) - 1) { |
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99 $cycle_vars[$name]['index'] = 0; |
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100 } else { |
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101 $cycle_vars[$name]['index']++; |
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102 } |
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103 } |
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104 |
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105 return $retval; |
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106 } |
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