The key of the php array is dynamic, so how to find it?

data:
["11lap22 / [dynamic]" = > VAL]
.
many pieces of data

how to match such a key?
is there any other good way to do this besides traversing?

Php
Aug.10,2021

this is the most basic traversal in PHP.

  

finally I adopted the traversal method, and then used the rule to match

.
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-64f5-1b35c5b-2bfb1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35c5b-2bfb1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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