composer.json 中 "hisune/echarts-php": "^1.0" 含义，以及里面的^ 含义
composer.json 中 "hisune/echarts-php": "^1.0" 含义，以及里面的^ 含义
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The ^ operator behaves very similarly but it sticks closer to semantic versioning, and will always allow non-breaking updates. For example ^1.2.3 is equivalent to >=1.2.3 =0.3.0
This is the recommended operator for maximum interoperability when writing library code.
Example: ^1.2.3
