Null - Related information

• How php curl, gives undefined instead of null?

  when I curl request to the counterparty $data = array( "a" => $a, "b" => $b ); $data_string = json_encode($data); assume that my value to the counterparty is valuable that the receipt will be null can it be tran...

  Null undefined node.js curl php

  Mar.02,2021
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-64f5-1b35866-2b71a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35866-2b71a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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