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help with a mySQLi recordset

Thread began 3/02/2015 2:10 pm by Christopher West | Last modified 3/02/2015 3:59 pm by Christopher West | 1131 views | 6 replies

Jason ByrnesWebAssist

  To be honest I was a little puzzled by your code "categories.CategoryLink = ? OR -1 = ?" I didnt think you could put -1 for the URL parameters markup.  

you wouldn't put -1 in the URL variable.

what this is doing is:

if the URL is:

the where clause becomes:

categories.CategoryLink = -1 OR -1 = -1

so: OR -1 = -1 evaluates to true

but if you pass a value for the category:

then the comparison is:
categories.CategoryLink = Occasional-Chairs OR -1 = Occasional-Chairs

hopefully that clarifies.

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