PHP infinite classification.

figure 1: click on the food to show the secondary category, and all the stores related to the food
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Mar.22,2021

although each category has a rating of 1-8, there is a unique id
that first loads the first and second levels of classification and displays all the stores under the second level
, and then displays the stores of the second level classification according to the selection of the second level classification. The filter condition becomes the third level classification
, and so on until the level 8 classification

.
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1beeaca-31c23.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1beeaca-31c23.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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