How to compress thinkPHP3.2.3 before uploading pictures

clipboard.png
when the uploaded image is larger than 3 megabytes, do not remind the upload error

Php
Feb.28,2021
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-64f5-1ea27cb-479a4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea27cb-479a4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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