It wasn\u2019t obvious to me that you need to have a different bindParameter statement each time you use a variable in the query. This won\u2019t work.
\n
\n\/\/ query for title information\n$qry = "SELECT * ";\n$qry .= "FROM `website_database`.`product`, `website_database`.`product_instance` ";\n$qry .= "WHERE product.id = :productID ";\n$qry .= "AND product_instance.product_id = :productID";\n\n$stmt = $dbWG->prepare($qry);\n$stmt->bindParam(':productID', $productID);\n$stmt->execute();<\/code><\/pre><\/p>\nMySql doesn\u2019t look for every instance of :productID in the query and substitute $productID. This is how you do it:
\n
\n\/\/ query for title information\n$qry = "SELECT * ";\n$qry .= "FROM `website_database`.`product`, `website_database`.`product_instance` ";\n$qry .= "WHERE product.id = :productID1 ";\n$qry .= "AND product_instance.product_id = :productID2";\n\n$stmt = $dbWG->prepare($qry);\n$stmt->bindParam(':productID1', $productID);\n$stmt->bindParam(':productID2', $productID);\n$stmt->execute();<\/code><\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"It wasn\u2019t obvious to me that you need to have a different bindParameter statement each time you use a variable in the query. This won\u2019t work. \/\/ query for title information $qry = "SELECT * "; $qry .= "FROM `website_database`.`product`, `website_database`.`product_instance` "; $qry .= "WHERE product.id = :productID "; $qry .= "AND product_instance.product_id = :productID"; $stmt … Continue reading A note on PDO prepared statements<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-2468","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=\/wp\/v2\/posts\/2468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2468"}],"version-history":[{"count":0,"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=\/wp\/v2\/posts\/2468\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wellgolly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}