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php
Implemented in PHP 8.0
RFC Categories
Shorter Attribute Syntax Change
With the continued discussion over the currently selected attribute syntax
@@ from the Shorter Attribute Syntax RFC
we want to revisit the syntax choice once an...
Are you okay with re-voting on the attribute syntax for PHP 8.0, again?
Yes
50 Votes (82%)
No
11 Votes (18%)
New attribute syntax preference #1
@@Attr
9 Votes (14%)
#[Attr]
32 Votes (49%)
@[Attr]
13 Votes (20%)
<<Attr>>
6 Votes (9%)
@:Attr
1 Votes (2%)
@{Attr}
4 Votes (6%)
New attribute syntax preference #2
@@Attr
4 Votes (6%)
#[Attr]
10 Votes (16%)
@[Attr]
7 Votes (11%)
<<Attr>>
16 Votes (26%)
@:Attr
4 Votes (6%)
@{Attr}
21 Votes (34%)
New attribute syntax preference #3
@@Attr
0 Votes (0%)
#[Attr]
9 Votes (15%)
@[Attr]
28 Votes (47%)
<<Attr>>
6 Votes (10%)
@:Attr
4 Votes (7%)
@{Attr}
12 Votes (20%)
New attribute syntax preference #4
@@Attr
5 Votes (9%)
#[Attr]
4 Votes (7%)
@[Attr]
8 Votes (14%)
<<Attr>>
22 Votes (39%)
@:Attr
6 Votes (11%)
@{Attr}
12 Votes (21%)
New attribute syntax preference #5
@@Attr
20 Votes (38%)
#[Attr]
2 Votes (4%)
@[Attr]
2 Votes (4%)
<<Attr>>
3 Votes (6%)
@:Attr
19 Votes (36%)
@{Attr}
7 Votes (13%)
New attribute syntax preference #6
@@Attr
18 Votes (35%)
#[Attr]
5 Votes (10%)
@[Attr]
2 Votes (4%)
<<Attr>>
4 Votes (8%)
@:Attr
19 Votes (37%)
@{Attr}
3 Votes (6%)
Don't automatically unserialize Phar metadata outside getMetadata()
In 2018, various vulnerabilities were found in php web frameworks due to the phar stream wrappers. A call such as file_exists("phar://...somepath.extension/file...
Stop automatically unserializing Phar metadata outside direct getMetadata() calls
Yes
25 Votes (100%)
No
0 Votes (0%)
Allow trailing comma in closure use lists
This RFC proposes to allow an optional trailing comma in closure use lists. This is already supported for argument and parameter lists.
Allow trailing comma in closure use lists
Yes
49 Votes (100%)
No
0 Votes (0%)
zend.exception_string_param_max_len: Configurable string length in getTraceAsString()
Since 2003, Throwable->getTraceAsString() and Throwable->__toString() have limited the length of string function arguments in stringified stack traces to 15 byt...
Add a new ini setting zend.exception_string_param_max_len
Yes
36 Votes (95%)
No
2 Votes (5%)
Informal poll: Interest in raising the default string parameter max length from 15 bytes in future RFCs
Yes
11 Votes (33%)
No
22 Votes (67%)
Treat namespaced names as single token
PHP currently treats namespaced names like Foo\Bar as a sequence of identifiers and namespace separator tokens. This RFC proposes to treat namespaced names as a...
Treat namespaced names as a single token?
Yes
38 Votes (90%)
No
4 Votes (10%)
Shorter Attribute Syntax
We propose to use @@Attr or #[Attr] as the attribute syntax in PHP 8.0 instead of .
Are you okay with re-voting on the attribute syntax for PHP 8.0?
Yes
50 Votes (86%)
No
8 Votes (14%)
Attribute syntax choice #1
@@
33 Votes (54%)
#[]
22 Votes (36%)
<<>>
6 Votes (10%)
Attribute syntax choice #2
@@
12 Votes (20%)
#[]
19 Votes (32%)
<<>>
28 Votes (47%)
Attribute syntax choice #3
@@
12 Votes (21%)
#[]
19 Votes (34%)
<<>>
25 Votes (45%)
Nullsafe operator
This RFC proposes the new nullsafe operator ?-> with full short circuiting.
Add nullsafe operator to the language?
Yes
56 Votes (97%)
No
2 Votes (3%)
Add match expressions to the language?
Yes
43 Votes (96%)
No
2 Votes (4%)
Add CMS Support
PHP has for some time incorporated support for PKCS#7 sign, verify, encrypt, decrypt, and read operations.
Cryptographic Message Syntax (CMS) is a newer versi...
Make sorting stable
Sorting functions in PHP are currently unstable, which means that the order of equal elements is not guaranteed. This RFC proposes to make all sorts in PHP stab...
Make sorting in PHP stable?
Yes
45 Votes (100%)
No
0 Votes (0%)
Unbundle ext/xmlrpc
ext/xmlrpc relies on on libxmlrpc-epi, which is abandoned. Even worse, we are bundling a modified 0.51, while the latest version is 0.54.1. This is exacerbated ...
Unbundle ext/xmlrpc
Yes
50 Votes (100%)
No
0 Votes (0%)
Attribute Amendments
This RFC discusses a few amendments to the original Attributes RFC that was accepted for PHP 8.
Should PhpAttribute be renamed to Attribute?
Yes
51 Votes (100%)
No
0 Votes (0%)
Should a secondary grouped syntax for attributes be introduced?
Yes
32 Votes (70%)
No
14 Votes (30%)
Should attributes allow definition of target declarations?
Yes
38 Votes (90%)
No
4 Votes (10%)
Should attributes allow definition of repeatability?
Yes
38 Votes (90%)
No
4 Votes (10%)
Always available JSON extension
Currently, it's possible to disable the json extension with ./configure --disable-json.
However, JSON is extremely useful to have because it's widely used for m...
Make the JSON extension impossible to disable
Yes
56 Votes (100%)
No
0 Votes (0%)
Remove inappropriate inheritance signature checks on private methods
Currently, a method with the same name as a parent's method, is still checked for some inheritance rules regardless of the parent's method visibility.
Remove inappropriate inheritance signature checks on private methods
Yes
24 Votes (69%)
No
11 Votes (31%)
Ensure correct signatures of magic methods
It is currently possible to write magic methods that have signatures that don't match the signature expected, such as __clone(): float or __isset(): Closure.
Ensure correct signatures of magic methods
Yes
45 Votes (96%)
No
2 Votes (4%)
non-capturing catches
Currently, PHP requires to capture the exception being caught to a variable:
Accept this RFC?
Yes
48 Votes (98%)
No
1 Votes (2%)
Stricter type checks for arithmetic/bitwise operators
This RFC proposes to throw a TypeError when an arithmetic or bitwise operator is applied to an array, resource or (non-overloaded) object. The behavior of scala...
Add stricter type checks for arithmetic/bitwise operators?
yes
57 Votes (100%)
no
0 Votes (0%)
Change Default PDO Error Mode
The current default error mode for PDO is silent. This means that when an SQL error occurs, no errors or warnings may be emitted and no exceptions thrown unless...
Change the default PDO error handling mode to PDO::ERRMODE_EXCEPTION?
Yes
49 Votes (96%)
No
2 Votes (4%)
Constructor Property Promotion
Currently, the definition of simple value objects requires a lot of boilerplate, because all properties need to be repeated at least four times. Consider the fo...
Add support for declaring properties in the constructor signature?
Yes
46 Votes (82%)
No
10 Votes (18%)
Allow trailing comma in parameter list
This RFC proposes to allow an optional trailing comma in parameter lists. This is already supported for argument lists.
Allow trailing comma in parameter lists?
Yes
58 Votes (98%)
No
1 Votes (2%)
Add str_starts_with() and str_ends_with() functions
str_starts_with checks if a string begins with another string and returns a boolean value (true/false) whether it does.
str_ends_with checks if a string ends w...
Add str_starts_with and str_ends_with as described
yes
51 Votes (93%)
no
4 Votes (7%)
throw expression
Since in PHP throw is a statement it makes it impossible to throw exceptions in places where only expressions are allowed, like arrow functions, the coalesce op...
Would you like to convert the throw statement into an expression?
Yes
46 Votes (94%)
No
3 Votes (6%)
Locale-independent float to string cast
The string representation of floats in PHP depends on the current locale as the decimal separator varies between locales. This can lead to subtle bugs in certai...
Make float to string casts always locale-independent?
Yes
42 Votes (98%)
No
1 Votes (2%)
Should the debug_locale_sensitive_float_casts INI setting be added?
Yes
14 Votes (35%)
No
26 Votes (65%)
Attributes v2
This RFC proposes Attributes as a form of structured, syntactic metadata to
declarations of classes, properties, functions, methods, parameters and
constants. A...
Accept PHP Attributes v2 into core?
Yes
51 Votes (98%)
No
1 Votes (2%)
Which syntax to use for attributes?
<<>>
41 Votes (77%)
@:
12 Votes (23%)
str_contains
str_contains checks if a string is contained in another string and returns a boolean value (true/false) whether or not the string was found.
Add str_contains as described
Yes
43 Votes (83%)
No
9 Votes (17%)
Add get_debug_type as described
Yes
42 Votes (93%)
No
3 Votes (7%)
Object-based token_get_all() alternative
The token_get_all() function currently returns tokens either as a single-character string, or an array with a token ID, token text and line number. This RFC pro...
Add object-based token_get_all() alternative?
Yes
47 Votes (100%)
No
0 Votes (0%)
Validation for abstract trait methods
Traits can contain abstract methods, which are used to specify requirements the trait has on the using class. However, the signatures of these methods are curre...
Validate abstract trait methods?
Yes
52 Votes (100%)
No
0 Votes (0%)
Add Stringable interface
This RFC introduces a new Stringable interface that is automatically added to classes that implement the __toString() method.
Adopt the Stringable interface as proposed in this RFC?
Yes
29 Votes (76%)
No
9 Votes (24%)
Allow ::class on objects
The Foo\Bar::class syntax has been introduced in PHP 5.5 to allow fetching a class name as a string, in a way that respects context-dependent name resolution ru...
Allow ::class on objects?
Yes
60 Votes (100%)
No
0 Votes (0%)
Static return type
The static special class name in PHP refers to the class a method was actually called on, even if the method is inherited. This is known as late static binding ...
Add static return type?
Yes
54 Votes (100%)
No
0 Votes (0%)
Variable Syntax Tweaks
The Uniform Variable Syntax RFC resolved a number of inconsistencies in PHP's variable syntax. This RFC intends to address a small handful of cases that were ov...
Implement syntax changes outlined above in PHP 8?
Yes
47 Votes (100%)
No
0 Votes (0%)
Weak maps
Weak maps allow creating a map from objects to arbitrary values (similar to SplObjectStorage) without preventing the objects that are used as keys from being ga...
Add WeakMap class in PHP 8.0?
Yes
25 Votes (100%)
No
0 Votes (0%)
Implement new DOM Living Standard APIs in ext/dom
Working with XML (HTML) documents is a necessary task for many web applications
and the dom extension implements a standardized API that was previously
specifie...
Accept changes to DOM API to add support for new methods added in WHATWG groups DOM living standard?
Yes
37 Votes (100%)
No
0 Votes (0%)
Union Types 2.0
A union type accepts values of multiple different types, rather than a single one. PHP already supports two special union types:
Add union types as proposed?
Yes
61 Votes (92%)
No
5 Votes (8%)
Reclassifying engine warnings
While newly introduced error conditions in the engine typically use Error exceptions, we have many old error conditions that use inappropriate severity levels f...
Change undefined variable severity to?
Error exception
36 Votes (56%)
Warning
18 Votes (28%)
Keep Notice
10 Votes (16%)
Change undefined array index severity to?
Warning
42 Votes (67%)
Keep Notice
21 Votes (33%)
Change division by zero severity to?
DivisionByZeroError exception
52 Votes (87%)
Keep Warning
8 Votes (13%)
Accept remaining classifications shown in the table above?
Yes
54 Votes (95%)
No
3 Votes (5%)
Always generate fatal error for incompatible method signatures
Inheritance errors due to incompatible method signatures (LSP violations) currently either throw a
fatal error or a warning depending on the cause of the error ...
Always generate fatal error for incompatible method signatures in PHP 8?
Yes
39 Votes (93%)
No
3 Votes (7%)
Saner string to number comparisons
Comparisons between strings and numbers using == and other non-strict comparison operators currently work by casting the string to a number, and subsequently pe...
Change string to number comparison semantics as proposed?
Yes
44 Votes (98%)
No
1 Votes (2%)
Consistent type errors for internal functions
For user-defined functions, passing a parameter of illegal type results in a TypeError. For internal functions, the behavior depends on multiple factors, but th...
Make zpp failures always throw TypeError?
Yes
50 Votes (96%)
No
2 Votes (4%)
JIT
It's no secret that the performance jump of PHP 7 was originally initiated by attempts to implement JIT for PHP. We started these efforts at Zend (mostly by Dmi...
Include JIT into PHP 8?
Yes
50 Votes (96%)
No
2 Votes (4%)
Include JIT into PHP 7.4 (experimental)?
Yes
18 Votes (33%)
No
36 Votes (67%)
Arrays starting with a negative index
On the documentation for array_fill the start_index description mentions: If start_index is negative, the first index of the returned array will be start_index ...
Arrays starting with a negative index for 8.0
Yes
17 Votes (89%)
No
2 Votes (11%)
Deprecation notice for 7.3
Yes
8 Votes (36%)
No
14 Votes (64%)