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'' ) {
$bgc = " bgcolor=\"$bgcolor\"";
}
switch ( $align ) {
case '':
$alg = '';
break;
case 'right':
$alg = " align=\"$rgt\"";
break;
case 'left':
$alg = " align=\"$lft\"";
break;
default:
$alg = " align=\"$align\"";
break;
}
$ret = "<$tag";
if ( $dir <> 'ltr' ) {
$ret .= " dir=\"$dir\"";
}
$ret .= $bgc . $alg;
if ( $xtra <> '' ) {
$ret .= " $xtra";
}
if ( $val <> '' ) {
$ret .= ">$val\n";
} else {
$ret .= '>' . "\n";
}
return( $ret );
}
/**
* This function is used to add, modify or delete GET variables in a URL.
* It is especially useful when $url = $PHP_SELF
*
* Set $val to NULL to remove $var from $url.
* To ensure compatibility with older versions, use $val='0' to set $var to 0.
*
* @param string $url url that must be modified
* @param string $var GET variable name
* @param string $val variable value
* @param boolean $link controls sanitizing of ampersand in urls (since 1.3.2)
*
* @return string $url modified url
*
* @since 1.3.0
*
*/
function set_url_var($url, $var, $val=null, $link=true) {
$url = str_replace('&','&',$url);
if (strpos($url, '?') === false) {
$url .= '?';
}
list($uri, $params) = explode('?', $url, 2);
$newpar = array();
$params = explode('&', $params);
foreach ($params as $p) {
if (trim($p)) {
$p = explode('=', $p);
$newpar[$p[0]] = (isset($p[1]) ? $p[1] : '');
}
}
if (is_null($val)) {
unset($newpar[$var]);
} else {
$newpar[$var] = $val;
}
if (!count($newpar)) {
return $uri;
}
$url = $uri . '?';
foreach ($newpar as $name => $value) {
$url .= "$name=$value&";
}
$url = substr($url, 0, -1);
if ($link) {
$url = str_replace('&','&',$url);
}
return $url;
}
/* Temporary test function to proces template vars with formatting.
* I use it for viewing the message_header (view_header.php) with
* a sort of template.
*/
function echo_template_var($var, $format_ar = array() ) {
$frm_last = count($format_ar) -1;
if (isset($format_ar[0])) echo $format_ar[0];
$i = 1;
switch (true) {
case (is_string($var)):
echo $var;
break;
case (is_array($var)):
$frm_a = array_slice($format_ar,1,$frm_last-1);
foreach ($var as $a_el) {
if (is_array($a_el)) {
echo_template_var($a_el,$frm_a);
} else {
echo $a_el;
if (isset($format_ar[$i])) {
echo $format_ar[$i];
}
$i++;
}
}
break;
default:
break;
}
if (isset($format_ar[$frm_last]) && $frm_last>$i ) {
echo $format_ar[$frm_last];
}
}