* @author credit to Mark Priatel * @author credit to Gerard * @author credit to Jason Sweat * @version 1.3 * * @param array $params parameters * @param Smarty_Internal_Template $template template object * * @return string|null */ function smarty_function_cycle($params, $template) { static $cycle_vars; $name = (empty($params[ 'name' ])) ? 'default' : $params[ 'name' ]; $print = (isset($params[ 'print' ])) ? (bool)$params[ 'print' ] : true; $advance = (isset($params[ 'advance' ])) ? (bool)$params[ 'advance' ] : true; $reset = (isset($params[ 'reset' ])) ? (bool)$params[ 'reset' ] : false; if (!isset($params[ 'values' ])) { if (!isset($cycle_vars[ $name ][ 'values' ])) { trigger_error('cycle: missing \'values\' parameter'); return; } } else { if (isset($cycle_vars[ $name ][ 'values' ]) && $cycle_vars[ $name ][ 'values' ] !== $params[ 'values' ]) { $cycle_vars[ $name ][ 'index' ] = 0; } $cycle_vars[ $name ][ 'values' ] = $params[ 'values' ]; } if (isset($params[ 'delimiter' ])) { $cycle_vars[ $name ][ 'delimiter' ] = $params[ 'delimiter' ]; } elseif (!isset($cycle_vars[ $name ][ 'delimiter' ])) { $cycle_vars[ $name ][ 'delimiter' ] = ','; } if (is_array($cycle_vars[ $name ][ 'values' ])) { $cycle_array = $cycle_vars[ $name ][ 'values' ]; } else { $cycle_array = explode($cycle_vars[ $name ][ 'delimiter' ], $cycle_vars[ $name ][ 'values' ]); } if (!isset($cycle_vars[ $name ][ 'index' ]) || $reset) { $cycle_vars[ $name ][ 'index' ] = 0; } if (isset($params[ 'assign' ])) { $print = false; $template->assign($params[ 'assign' ], $cycle_array[ $cycle_vars[ $name ][ 'index' ] ]); } if ($print) { $retval = $cycle_array[ $cycle_vars[ $name ][ 'index' ] ]; } else { $retval = null; } if ($advance) { if ($cycle_vars[ $name ][ 'index' ] >= count($cycle_array) - 1) { $cycle_vars[ $name ][ 'index' ] = 0; } else { $cycle_vars[ $name ][ 'index' ]++; } } return $retval; }