The difference between use and require in php

The difference between use and require in PHP

1. require is an imported file, but if require cannot find the file, it will directly error and the program Exit;

2. Use uses a namespace, which is equivalent to the import package in java. The premise is that the files in the package need to be required or included in advance. When using use, you need to write the full space name and class name later.

For example: namespace Person1/Person; where Person1 is the namespace and Person is the class name.

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