Shulou(Shulou.com)06/02 Report--

This article mainly introduces the knowledge that composer is easy to ignore, which is very detailed and has a certain reference value. Friends who are interested must finish it!

1.composer version number ~ ^ *

(1) package version: *

{"require": {"monolog/monolog": "1.0.*"}}

1.0.* this means that any development branch starting with 1.0 will match 1.0.0, 1.0.2, or 1.0.20.

(2) package version: ~

~ 1.2 equals > = 1.2 ~ 1.2.3

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