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@ 2019-03-26T00:46:06Z

<?php 

$foo = 4;

function myFunction () {
    if (!func_num_args()) {
        $input = $GLOBALS['foo'];
    }
    else {
        $input = func_get_arg(0);
    }
    echo "$input\n";
}

myFunction('hello');
myFunction();

Output
Performance
VLD
References
Branches

func_get_arg: documentation ( source)

preferences:dark modelive previewkey bindings

23.44 ms | 404 KiB | 5 Q