rfc:readable_var_representation
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rfc:readable_var_representation [2021/02/05 14:17] – show indent examples tandre | rfc:readable_var_representation [2021/02/19 15:19] (current) – vote declined tandre | ||
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====== PHP RFC: var_representation() : readable alternative to var_export() ====== | ====== PHP RFC: var_representation() : readable alternative to var_export() ====== | ||
- | * Version: 0.2 | + | * Version: 0.3 |
* Date: 2021-01-22 | * Date: 2021-01-22 | ||
* Author: Tyson Andre, tandre@php.net | * Author: Tyson Andre, tandre@php.net | ||
- | * Status: | + | * Status: |
* First Published at: http:// | * First Published at: http:// | ||
* Implementation: | * Implementation: | ||
Line 49: | Line 49: | ||
php > echo var_representation([]); | php > echo var_representation([]); | ||
[] | [] | ||
- | // lines are indented by a multiple of 2 | + | // lines are indented by a multiple of 2, similar to var_export but not exactly the same |
php > echo var_representation([(object) [' | php > echo var_representation([(object) [' | ||
[ | [ | ||
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It may be useful to override this string representation through additional flags, callbacks, or other mechanisms. | It may be useful to override this string representation through additional flags, callbacks, or other mechanisms. | ||
However, I don't know if there' | However, I don't know if there' | ||
+ | |||
+ | ==== Emitting code comments in result about references/ | ||
+ | |||
+ | Adding a comment such as ''/ | ||
+ | |||
+ | (Or ''/ | ||
===== Discussion ===== | ===== Discussion ===== | ||
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The last time '' | The last time '' | ||
- | ===== Proposed Voting Choices | + | ===== Vote ===== |
- | Yes/No, requiring 2/3 majority. | + | This is a Yes/ |
+ | |||
+ | <doodle title=" | ||
+ | * Yes | ||
+ | * No | ||
+ | </ | ||
===== References ===== | ===== References ===== | ||
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- This may be much slower and end users may not expect that - a lot of small stream writes with dynamic C function calls would be something I'd expect to take much longer than converting to a string then writing to the stream. | - This may be much slower and end users may not expect that - a lot of small stream writes with dynamic C function calls would be something I'd expect to take much longer than converting to a string then writing to the stream. | ||
- Adding even more ways to dump to a stream/ | - Adding even more ways to dump to a stream/ | ||
+ | |||
+ | ==== Changing var_dump ==== | ||
+ | |||
+ | var_dump is a function which I consider to have goals that are incompatible ways. | ||
+ | If an exact representation of reference cycles, identical objects, and circular object data is needed, the code snippet '' | ||
+ | |||
+ | In particular, var_dump() dumps object ids, indicates objects that are identical to each other, shows recursion, and shows the presence of references. It also redundantly annotates values with their types, and generates output for types that cannot be evaluated (e.g. '' | ||
+ | |||
+ | Adding a comment such as ''/ | ||
+ | |||
+ | https:// | ||
===== Changelog ===== | ===== Changelog ===== | ||
* 0.2: Add the section "When would a user use var_representation?" | * 0.2: Add the section "When would a user use var_representation?" | ||
+ | * 0.3: Add more examples, add discussion section on indent |
rfc/readable_var_representation.1612534626.txt.gz · Last modified: 2021/02/05 14:17 by tandre