How does the php environment do an error_log report? Can I monitor it on the remote phone?

would you like to discuss how to set up a reporting mechanism in the php environment?
means to be able to see

on the remote machine when there are any errors. 
1|x-s | Error: MANAGER_ID_NOT_STRING
1|x-s |     at validateRequestManagerId (/root/u-server/x/d-g/y-id.js:13:17)
The message of

and so on
how does this end?

Error error_messages error_log php7 php
Mar.03,2021

find error.log, and then tail-f error.log is open.

in addition, you can add

to the header of the file. 
  predefined constant .

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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-64f5-1b34aa2-2b6ac.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b34aa2-2b6ac.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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