Posted by laredotornado on 11/02/14 11:41

Hi, Using PHP 4, what is the most elegant way to replace a parameter
value in a url query string? I want to replace the "Order" parameter,
but it could occur anywhere in the query string.

myfile.php?Param1=Hi+there&Order=ColumnA&Param3=Bye+Bye
myfile.php?Order=ColumnA
myfile.php?Param1=Anotehr+example&Order=ColumnA

after applying this function, I'd like the result of the above examples
to be

myfile.php?Param1=Hi+there&Order=ColumnB&Param3=Bye+Bye
myfile.php?Order=ColumnB
myfile.php?Param1=Anotehr+example&Order=ColumnB

Thanks for your help, - Dave

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