63 lines
1.8 KiB
PHP
63 lines
1.8 KiB
PHP
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<?php
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/**
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* Smarty plugin
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*
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* @package Smarty
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* @subpackage PluginsFunction
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*/
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/**
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* Smarty {counter} function plugin
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* Type: function
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* Name: counter
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* Purpose: print out a counter value
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*
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* @author Monte Ohrt <monte at ohrt dot com>
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* @link https://www.smarty.net/manual/en/language.function.counter.php {counter}
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* (Smarty online manual)
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*
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* @param array $params parameters
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* @param Smarty_Internal_Template $template template object
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*
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* @return string|null
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*/
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function smarty_function_counter($params, $template)
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{
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static $counters = array();
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$name = (isset($params[ 'name' ])) ? $params[ 'name' ] : 'default';
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if (!isset($counters[ $name ])) {
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$counters[ $name ] = array('start' => 1, 'skip' => 1, 'direction' => 'up', 'count' => 1);
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}
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$counter =& $counters[ $name ];
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if (isset($params[ 'start' ])) {
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$counter[ 'start' ] = $counter[ 'count' ] = (int)$params[ 'start' ];
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}
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if (!empty($params[ 'assign' ])) {
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$counter[ 'assign' ] = $params[ 'assign' ];
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}
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if (isset($counter[ 'assign' ])) {
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$template->assign($counter[ 'assign' ], $counter[ 'count' ]);
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}
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if (isset($params[ 'print' ])) {
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$print = (bool)$params[ 'print' ];
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} else {
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$print = empty($counter[ 'assign' ]);
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}
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if ($print) {
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$retval = $counter[ 'count' ];
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} else {
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$retval = null;
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}
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if (isset($params[ 'skip' ])) {
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$counter[ 'skip' ] = $params[ 'skip' ];
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}
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if (isset($params[ 'direction' ])) {
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$counter[ 'direction' ] = $params[ 'direction' ];
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}
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if ($counter[ 'direction' ] === 'down') {
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$counter[ 'count' ] -= $counter[ 'skip' ];
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} else {
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$counter[ 'count' ] += $counter[ 'skip' ];
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}
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return $retval;
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}
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