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Add values to query string

Type:	code fragment
Added by:	ADMIN
Entered:	18/01/2000
Last modified:	08/12/1999
Rating:	(8 votes)
Views:	10175

This function allows to form query string with a values added to it from current query string

<?php
function query_string($q_arr) {

                                global $HTTP_GET_VARS,$PHP_SELF;

                                $str = "$PHP_SELF?";

                                reset($q_arr);

                                while(list($k,$v) = each($q_arr)) {

                                $str .= "$k=$v&";

                                }

                                reset($HTTP_GET_VARS);

                                while(list($k,$v) = each($HTTP_GET_VARS)) {

                                if(isset($q_arr[$k])) continue;

                                $str .= "$k=$v&";

                                }

                                return $str;

                            }
?>

Usage Example

we call query.php?var=val, then in query.php:

                            

                            <a href="<? echo query_string(array("var2" => "val2,

                                               "var3" => "val3"));

                            ?>">Add val2 and val3</a>

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