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Редакция 2 | Редакция 3 | ||
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1 | <?php
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1 | <?php
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2 | /**
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2 | /**
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3 | * Smarty plugin
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3 | * Smarty plugin
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4 | * @package Smarty
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4 | * @package Smarty
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5 | * @subpackage plugins
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5 | * @subpackage plugins
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6 | */
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6 | */
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7 | 7 | ||
8 | /**
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8 | /**
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9 | * Smarty {cycle} function plugin
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9 | * Smarty {cycle} function plugin
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10 | *
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10 | *
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11 | * Type: function<br>
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11 | * Type: function<br>
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12 | * Name: cycle<br>
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12 | * Name: cycle<br>
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13 | * Date: May 3, 2002<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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14 | * Purpose: cycle through given values<br>
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15 | * Input:
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15 | * Input:
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16 | * - name = name of cycle (optional)
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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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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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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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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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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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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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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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23 | * - delimiter = the value delimiter, default is ","
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24 | * - assign = boolean, assigns to template var instead of
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24 | * - assign = boolean, assigns to template var instead of
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25 | * printed.
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25 | * printed.
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26 | *
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26 | *
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27 | * Examples:<br>
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27 | * Examples:<br>
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28 | * <pre>
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28 | * <pre>
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29 | * {cycle values="#eeeeee,#d0d0d0d"}
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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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30 | * {cycle name=row values="one,two,three" reset=true}
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31 | * {cycle name=row}
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31 | * {cycle name=row}
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32 | * </pre>
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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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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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34 | * (Smarty online manual)
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35 | * @author Monte Ohrt <monte at ohrt dot com>
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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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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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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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38 | * @author credit to Jason Sweat <jsweat_php@yahoo.com>
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39 | * @version 1.3
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39 | * @version 1.3
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40 | * @param array
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40 | * @param array
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41 | * @param Smarty
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41 | * @param Smarty
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42 | * @return string|null
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42 | * @return string|null
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43 | */
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43 | */
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44 | function smarty_function_cycle($params, &$smarty) |
44 | function smarty_function_cycle($params, &$smarty) |
45 | {
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45 | {
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46 | static $cycle_vars; |
46 | static $cycle_vars; |
47 | 47 | ||
48 | $name = (empty($params['name'])) ? 'default' : $params['name']; |
48 | $name = (empty($params['name'])) ? 'default' : $params['name']; |
49 | $print = (isset($params['print'])) ? (bool)$params['print'] : true; |
49 | $print = (isset($params['print'])) ? (bool)$params['print'] : true; |
50 | $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; |
50 | $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; |
51 | $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; |
51 | $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; |
52 | 52 | ||
53 | if (!in_array('values', array_keys($params))) { |
53 | if (!in_array('values', array_keys($params))) { |
54 | if(!isset($cycle_vars[$name]['values'])) { |
54 | if(!isset($cycle_vars[$name]['values'])) { |
55 | $smarty->trigger_error("cycle: missing 'values' parameter"); |
55 | $smarty->trigger_error("cycle: missing 'values' parameter"); |
56 | return; |
56 | return; |
57 | }
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57 | }
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58 | } else { |
58 | } else { |
59 | if(isset($cycle_vars[$name]['values']) |
59 | if(isset($cycle_vars[$name]['values']) |
60 | && $cycle_vars[$name]['values'] != $params['values'] ) { |
60 | && $cycle_vars[$name]['values'] != $params['values'] ) { |
61 | $cycle_vars[$name]['index'] = 0; |
61 | $cycle_vars[$name]['index'] = 0; |
62 | }
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62 | }
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63 | $cycle_vars[$name]['values'] = $params['values']; |
63 | $cycle_vars[$name]['values'] = $params['values']; |
64 | }
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64 | }
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65 | 65 | ||
66 | $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ','; |
66 | $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ','; |
67 | 67 | ||
68 | if(is_array($cycle_vars[$name]['values'])) { |
68 | if(is_array($cycle_vars[$name]['values'])) { |
69 | $cycle_array = $cycle_vars[$name]['values']; |
69 | $cycle_array = $cycle_vars[$name]['values']; |
70 | } else { |
70 | } else { |
71 | $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']); |
71 | $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']); |
72 | }
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72 | }
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73 | 73 | ||
74 | if(!isset($cycle_vars[$name]['index']) || $reset ) { |
74 | if(!isset($cycle_vars[$name]['index']) || $reset ) { |
75 | $cycle_vars[$name]['index'] = 0; |
75 | $cycle_vars[$name]['index'] = 0; |
76 | }
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76 | }
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77 | 77 | ||
78 | if (isset($params['assign'])) { |
78 | if (isset($params['assign'])) { |
79 | $print = false; |
79 | $print = false; |
80 | $smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]); |
80 | $smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]); |
81 | }
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81 | }
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82 | 82 | ||
83 | if($print) { |
83 | if($print) { |
84 | $retval = $cycle_array[$cycle_vars[$name]['index']]; |
84 | $retval = $cycle_array[$cycle_vars[$name]['index']]; |
85 | } else { |
85 | } else { |
86 | $retval = null; |
86 | $retval = null; |
87 | }
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87 | }
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88 | 88 | ||
89 | if($advance) { |
89 | if($advance) { |
90 | if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) { |
90 | if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) { |
91 | $cycle_vars[$name]['index'] = 0; |
91 | $cycle_vars[$name]['index'] = 0; |
92 | } else { |
92 | } else { |
93 | $cycle_vars[$name]['index']++; |
93 | $cycle_vars[$name]['index']++; |
94 | }
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94 | }
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95 | }
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95 | }
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96 | 96 | ||
97 | return $retval; |
97 | return $retval; |
98 | }
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98 | }
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99 | 99 | ||
100 | /* vim: set expandtab: */
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100 | /* vim: set expandtab: */
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101 | 101 | ||
102 | ?>
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102 | ?>
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103 | 103 |