- '/.+\\?('.$var.')=(.*\\&).+/AU', /* at front, more follow */
- '/.+(\\?'.$var.')=(.*)$/AU', /* at front and only var */
- '/.+(\\&'.$var.')=(.*)$/AU' /* at the end */
- );
- switch (true) {
- case (preg_match($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) {
- $pat = "/$k=$v/";
- $rpl = "$k=$val";
- echo "<B>$pat , $rpl </b><BR>";
- $url = preg_replace($pat,$rpl,$url);
- } else {
- $pat = "/$k=$v/";
- $url = preg_replace($pat,'',$url);
+ '/.+\\?('.$var.')=(.*\\&).+/AU', /* at front, more follow */
+ '/.+(\\?'.$var.')=(.*)$/AU', /* at front and only var */
+ '/.+(\\&'.$var.')=(.*)$/AU' /* at the end */
+ );
+// preg_replace('/&/','&',$url);
+ switch (true) {
+ case (preg_match($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;