This release adds full compatibility with PHP 7.1. There are no major API changes, however specific details of the node structure have changed for a number of nodes

A description of backwards incompatible changes between version 2.x and 3.0 can be found in the upgrading guide.

Added

• [7.1] Added support for void and iterable types. These will now be represented as strings (instead of Name instances) similar to other builtin types.
• [7.1] Added support for class constant visibility. The ClassConst node now has a flags subnode holding the visibility modifier, as well as isPublic(), isProtected() and isPrivate() methods. The constructor changed to accept the additional subnode.
• [7.1] Added support for nullable types. These are represented using a new NullableType node with a single type subnode.
• [7.1] Added support for short array destructuring syntax. This means that Array nodes may now appear as the left-hand-side of assignments and foreach value targets. Additionally the array items may now contain null values if elements are skipped.
• [7.1] Added support for keys in list() destructuring. The List subnode vars has been renamed to items and now contains ArrayItems instead of plain variables.
• [7.1] Added support for multi-catch. The Catch subnode type has been renamed to types and is now an array of Names.
• Name::slice() now supports lengths and negative offsets. This brings it in line with array_slice() functionality.

Changed

Due to PHP 7.1 support additions described above, the node structure changed as follows:

• void and iterable types are now stored as strings if the PHP 7 parser is used.
• The ClassConst constructor changed to accept an additional flags subnode.
• The Array subnode items may now contain null elements (destructuring).
• The List subnode vars has been renamed to items and now contains ArrayItems instead of plain variables.
• The Catch subnode type has been renamed to types and is now an array of Names.

Additionally the following changes were made:

• The type subnode on Class, ClassMethod and Property has been renamed to flags. The type subnode has retained for backwards compatibility and is populated to the same value as flags. However, writes to type will not update flags.
• The TryCatch subnode finallyStmts has been replaced with a finally subnode that holds an explicit Finally node. This allows for more accurate attribute assignment.
• The Trait constructor now has the same form as the Class and Interface constructors: It takes an array of subnodes. Unlike classes/interfaces, traits can only have a stmts subnode.
• The NodeDumper now prints class/method/property/constant modifiers, as well as the include and use type in a textual representation, instead of only showing the number.
• All methods on PrettyPrinter\Standard are now protected. Previously most of them were public.

Removed

• Removed support for running on PHP 5.4. It is however still possible to parse PHP 5.2-5.4 code while running on a newer version.
• The deprecated Comment::setLine() and Comment::setText() methods have been removed.
• The deprecated Name::set(), Name::setFirst() and Name::setLast() methods have been removed.

Fixed

• Properly support B"" strings (with uppercase B) in a number of places.
• Fixed reformatting of indented parts in a certain non-standard comment style.

Added

• Added dumpComments option to node dumper, to enable dumping of comments associated with nodes.
• Added Stmt\Nop node, that is used to collect comments located at the end of a block or at the end of a file (without a following node with which they could otherwise be associated).
• Added kind attribute to Expr\Exit to distinguish between exit and die.
• Added kind attribute to Scalar\LNumber to distinguish between decimal, binary, octal and hexadecimal numbers.
• Added kind attribtue to Expr\Array to distinguish between array() and [].
• Added kind attribute to Scalar\String and Scalar\Encapsed to distinguish between single-quoted, double-quoted, heredoc and nowdoc string.
• Added docLabel attribute to Scalar\String and Scalar\Encapsed, if it is a heredoc or nowdoc string.
• Added start file offset information to Comment nodes.
• Added setReturnType() method to function and method builders.
• Added -h and --help options to php-parse script.

Changed

• Invalid octal literals now throw a parse error in PHP 7 mode.
• The pretty printer takes all the new attributes mentioned in the previous section into account.
• The protected AbstractPrettyPrinter::pComments() method no longer returns a trailing newline.
• The bundled autoloader supports library files being stored in a different directory than PhpParser for easier downstream distribution.

Deprecated

• The Comment::setLine() and Comment::setText() methods have been deprecated. Construct new objects instead.

Removed

• The internal (but public) method Scalar\LNumber::parse() has been removed. A non-internal LNumber::fromString() method has been added instead.

Fixed

• declare() {} and declare(); are not semantically equivalent and will now result in different ASTs. The former case will have an empty stmts array, while the latter will set stmts to null.
• Magic constants are now supported as semi-reserved keywords.
• A shebang line like #!/usr/bin/env php is now allowed at the start of a namespaced file. Previously this generated an exception.
• The prettyPrintFile() method will not strip a trailing ?> from the raw data that follows a __halt_compiler() statement.
• The prettyPrintFile() method will not strip an opening <?php if the file starts with a comment followed by InlineHTML.

This release adds complete support for parsing PHP 7 code.

A description of backwards incompatible changes between version 1.x and 2.0 can be found in the upgrading guide.

A complete list of changes between 1.x and 2.0 can be found in the changelog.

There has been only one additional change since version 2.0.0-beta1:

• String parts of encapsed strings are now represented using Scalar\EncapsStringPart nodes. Previously raw strings were used. This affects the parts child of Scalar\Encaps and Expr\ShellExec. The change has been done to allow assignment of attributes to encapsed string parts.

A description of changes incompatible with version 1.x can be found in the upgrading guide. This changelog lists differences to alpha 1 only.

Fixed

• Fixed issue with too many newlines being stripped at the end of heredoc/nowdoc strings in some cases. (#227)

Changed

• Update group use support to be in line with recent PHP 7.0 builds.
• Renamed php-parse.php to php-parse and registered it as a composer bin.
• Use composer PSR-4 autoloader instead of custom autoloader.
• Specify phpunit as a dev dependency.

Added

• Added shortArraySyntax option to pretty printer, to print all arrays using short syntax.

Fixed

• Fixed issue with too many newlines being stripped at the end of heredoc/nowdoc strings in some cases. (#227)

A more detailed description of backwards incompatible changes can be found in the upgrading guide.

Removed

• Removed support for running on PHP 5.4. It is however still possible to parse PHP 5.2 and PHP 5.3 code while running on a newer version.
• Removed legacy class name aliases. This includes the old non-namespaced class names and the old names for classes that were renamed for PHP 7 compatibility.
• Removed support for legacy node format. All nodes must have a getSubNodeNames() method now.

Added

• Added support for remaining PHP 7 features that were not present in 1.x:
  • Group use declarations. These are represented using Stmt\GroupUse nodes. Furthermore a type attribute was added to Stmt\UseUse to handle mixed group use declarations.
  • Uniform variable syntax.
  • Generalized yield operator.
  • Scalar type declarations. These are presented using 'bool', 'int', 'float' and 'string' as the type. The PHP 5 parser also accepts these, however they'll be Name instances there.
  • Unicode escape sequences.
• Added PhpParser\ParserFactory class, which should be used to create parser instances.
• Added Name::concat() which concatenates two names.
• Added Name->slice() which takes a subslice of a name.

Changed

• PhpParser\Parser is now an interface, implemented by Parser\Php5, Parser\Php7 and Parser\Multiple. The Multiple parser will try multiple parsers, until one succeeds.
• Token constants are now defined on PhpParser\Parser\Tokens rather than PhpParser\Parser.
• The Name->set(), Name->append(), Name->prepend() and Name->setFirst() methods are deprecated in favor of Name::concat() and Name->slice().
• The NodeTraverser no longer clones nodes by default. The old behavior can be restored by passing true to the constructor.
• The constructor for Scalar nodes no longer has a default value. E.g. new LNumber() should now be written as new LNumber(0).

Added

• Added interface PhpParser\Node\FunctionLike, which is implemented by Stmt\ClassMethod, Stmt\Function_ and Expr\Closure nodes. This interface provides getters for their common subnodes.
• Added Node\Stmt\ClassLike::getMethod() to look up a specific method on a class/interface/trait.

Fixed

• Fixed isPublic() return value for implicitly public properties and methods that define an additional modifier like static or abstract.
• Properties are now accepted by the trait builder.
• Fixed __HALT_COMPILER_OFFSET__ support on HHVM.

Added

• Errors can now store the attributes of the node/token where the error occurred. Previously only the start line was
  stored.
• If file positions are enabled in the lexer, errors can now provide column information if it is available. See documentation.
• The parser now provides an experimental error recovery mode, which can be enabled by disabling the throwOnError parser option. In this mode the parser will try to construct a partial AST even if the code is not valid PHP. See documentation.
• Added support for PHP 7 yield from expression. It is represented by Expr\YieldFrom.
• Added support for PHP 7 anonymous classes. These are represented by ordinary Stmt\Class_ nodes with the name set to null. Furthermore this implies that Expr\New_ can now contain a Stmt\Class_ in its class subnode.

Fixed

• Fixed registration of PHP 7 aliases, for the case where the old name was used before the new name.
• Fixed handling of precedence when pretty-printing print expressions.
• Floating point numbers are now pretty-printed with a higher precision.
• Checks for special class names like self are now case-insensitive.

• The NameResolver now resolves parameter type hints when entering the function/method/closure node. As such other visitors running after it will be able to make use of the resolved names at that point already.
• The autoloader no longer sets the unserialize_callback_func ini option on registration - this is not necessary and may cause issues when running PhpUnit tests with process isolation.