It’s true, it’s not like a very good practice to have numeric property names, but sometimes there’s no other way. It can come from the database, or also from a JSON that you are converting to a PHP object.
No problem, because you can use brace notation to work around this case, enclosing the string you want to access in braces and quotes.
{‘1_1’};
Another option that I like less but that you could also do is to put the name of the property in a variable. So you access the property using that variable, like this.
$prop;
Both ways would be fine in PHP, although I think the first is much cleaner and spares you from making a variable that you really don’t want for anything other than accessing the object’s property.
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