Semantic version of composer

what does the ^ in "^ 3.4" below stand for?
"symfony/http-foundation": "^ 3.4"

Semantic php composer
Mar.05,2021

A version greater than or equal to 3.4 is 3.4. represents any number, but cannot be 3.53.6 and so on. It can only be 3.4.*

document

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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-64f5-1b32cac-2b68d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32cac-2b68d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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