File Source for function.alphabar.php

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
* @author xing <xing$synapse.plus.com>
*/
/**
* Smarty {alphabar} function plugin
*
* Type: function
* Name: alphabar
* Input:
* - iskip (optional) array of chars that can be skipped
* - iall (optional) if set to anything, it will include a link to all
* - ifile (optional) set the file where the link should point (default is the current file)
* - ipackage (optional) set the package the link should point to (default is the current package)
* - * (optional) anything else that gets added to the pile of items is appended using &$key=$val
* Example - {alphabar}
*/
function smarty_function_alphabar( $params, &$gBitSmarty ) {
extract( $params );
// work out what the url is
if( isset( $ifile ) ) {
if( isset( $ipackage ) ) {
if( $ipackage == 'root' ) {
$url = BIT_ROOT_URL.$ifile;
} else {
$url = constant( strtoupper( $ipackage ).'_PKG_URL' ).$ifile;
}
} else {
$url = constant( strtoupper( ACTIVE_PACKAGE ).'_PKG_URL' ).$ifile;
}
} else {
$url = $_SERVER['SCRIPT_NAME'];
}
$alphabar_params = array( 'ifile', 'ipackage', 'iall' );
// append any other paramters that were passed in
$url_params = '';
foreach( $params as $key => $val ) {
if( !empty( $val ) && !in_array( $key, $alphabar_params ) ) {
$url_params .= '&'.$key."=".$val;
}
}
$ret = '<div class="pagination alphabar">';
$alpha = array( 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','0-9','+' );
foreach( $alpha as $char ) {
if( empty( $iskip ) || !in_array( $char, $iskip )) {
$wrap = array( 'open' => '', 'close' => '' );
if( !empty( $_REQUEST['char'] ) && $_REQUEST['char'] == strtolower( $char )) {
$wrap = array( 'open' => '<strong>', 'close' => '</strong>' );
}
$ret .= $wrap['open'].'<a href="'.$url.'?char='.urlencode( strtolower( $char )).$url_params.'">'.$char.'</a>'.$wrap['close'].' ';
}
}
if( !empty( $params['iall'] ) ) {
$ret .= '<a href="'.$url.'?char='.urlencode( strtolower( 'All' ) ).$url_params.'">'.tra( 'All' ).'</a> ';
}
$ret .= '</div>';
return $ret;
}
?>

Source for file function.alphabar.php