squirrelmail/functions/html.php

159 lines
3.8 KiB
PHP

<?php
/**
* html.php
*
* The idea is to inlcude here some functions to make easier
* the right to left implementation by "functionize" some
* html outputs.
*
* @copyright &copy; 1999-2006 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id$
* @package squirrelmail
* @since 1.3.0
*/
/**
* Generates html tags
*
* @param string $tag Tag to output
* @param string $val Value between tags
* @param string $align Alignment (left, center, etc)
* @param string $bgcolor Back color in hexadecimal
* @param string $xtra Extra options
* @return string HTML ready for output
* @since 1.3.0
*/
function html_tag( $tag, // Tag to output
$val = '', // Value between tags
$align = '', // Alignment
$bgcolor = '', // Back color
$xtra = '' ) { // Extra options
GLOBAL $languages, $squirrelmail_language;
$align = strtolower( $align );
$bgc = '';
$tag = strtolower( $tag );
if ( isset( $languages[$squirrelmail_language]['DIR']) ) {
$dir = $languages[$squirrelmail_language]['DIR'];
} else {
$dir = 'ltr';
}
if ( $dir == 'ltr' ) {
$rgt = 'right';
$lft = 'left';
} else {
$rgt = 'left';
$lft = 'right';
}
if ( $bgcolor <> '' ) {
$bgc = " bgcolor=\"$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</$tag>\n";
} else {
$ret .= '>'. "\n";
}
return( $ret );
}
/**
* handy function to set url vars
*
* especially useful when $url = $PHP_SELF
* @param string $url url that must be modified
* @param string $var 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=0, $link=true) {
$k = '';
$pat_a = array (
'/.+(\\&'.$var.')=(.*)\\&/AU', /* in the middle */
'/.+\\?('.$var.')=(.*\\&).+/AU', /* at front, more follow */
'/.+(\\?'.$var.')=(.*)$/AU', /* at front and only var */
'/.+(\\&'.$var.')=(.*)$/AU' /* at the end */
);
$url = str_replace('&amp;','&',$url);
// FIXME: why switch is used instead of if () or one preg_match()
switch (true) {
case (preg_match($pat_a[0],$url,$regs)):
$k = $regs[1];
$v = $regs[2];
break;
case (preg_match($pat_a[1],$url,$regs)):
$k = $regs[1];
$v = $regs[2];
break;
case (preg_match($pat_a[2],$url,$regs)):
$k = $regs[1];
$v = $regs[2];
break;
case (preg_match($pat_a[3],$url,$regs)):
$k = $regs[1];
$v = $regs[2];
break;
default:
if ($val) {
if (strpos($url,'?')) {
$url .= "&$var=$val";
} else {
$url .= "?$var=$val";
}
}
break;
}
if ($k) {
if ($val) {
$rpl = "$k=$val";
} else {
$rpl = '';
}
if( substr($v,-1)=='&' ) {
$rpl .= '&';
}
$pat = "/$k=$v/";
$url = preg_replace($pat,$rpl,$url);
}
if ($link) {
$url = str_replace('&','&amp;',$url);
}
return $url;
}