Define Stringable with toString():string method#5088
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@nicolas-grekas I appriciate the effort you put in this PR. Thank you. I would like to be able to add a public API to the object for mapping to the string without losing the advantage of internal coherence in string functions but I see the issue with duplicates of code for BC. So yeah, if this does not fit the PHP development path then further discussion on this topic is not worth it. Again, thank you for your time. |
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This PR is opened for the purpose of comparison with #5083
It adds a new interface:
Implementing this interface triggers the same magic behavior as implementing
__toString().Compared to #5083, the new method has no double underscore as a prefix, which means it can more easily be used as part of public APIs.
Yet, it requires a more invasive change in the engine, and leads to duplicate
__toString()andtoString()methods for BC. Since adding a method namedtoString()can be done purely in userland, it appears that this approach might not be the preferred one for php-internals, which seeks for the lesser complexity.