Laravel add helper file

@top

One 、 Determine file location

If File location in app/Common/Helpers/function.php

Two 、 stay composer.json Add autoload to the load bar of

....
    "autoload": {
    
        "psr-4": {
    
            "App\\": "app/"
        },
        "classmap": [
            "database/seeds",
            "database/factories"
        ],
        "files" : [
            "app/Common/Helpers/function.php"
        ]
    },
....

3、 ... and 、 Execute load

composer dump-autoload