libs/plugins/function.cycle.php

gehe zur Dokumentation dieser Datei

<?php
function smarty_function_cycle($params, &$smarty)
{
    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 (!in_array('values', array_keys($params))) {
        if(!isset($cycle_vars[$name]['values'])) {
            $smarty->trigger_error("cycle: missing 'values' parameter");
            return;
        }
    } else {
        if(isset($cycle_vars[$name]['values'])
            && $cycle_vars[$name]['values'] != $params['values'] ) {
            $cycle_vars[$name]['index'] = 0;
        }
        $cycle_vars[$name]['values'] = $params['values'];
    }

    $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['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;
        $smarty->assign($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;
}

/* vim: set expandtab: */

?>

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