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CHANGELOG

2.9.1 - 2026-06-11

  • Fixed the compiled runtime to emit function names as string literals, preventing arbitrary code execution.
  • Fixed the parser to reject non-identifier function callees, such as literal and raw string callees.

2.9.0 - 2026-06-10

  • Added PHP 8.5 support.
  • Fixed to_number() to parse number strings using the JSON number grammar.
  • Fixed reverse() and string slicing to operate on UTF-8 characters rather than bytes.
  • Fixed slicing of array-like (ArrayAccess + Countable) values.
  • Fixed equality and contains() to use JSON semantics, e.g. 1 == 1.0 is now true.
  • Fixed multi-select hashes to end projections, so following tokens apply to the projected list.
  • Fixed sort() and sort_by() to compare numbers numerically.
  • Changed sort(), sort_by(), max(), min(), max_by() and min_by() to order strings by code point.
  • Fixed max_by() and min_by() to error on mixed-type keys instead of returning arbitrary elements.
  • Fixed max() returning null or erroring when the first array element is falsy, e.g. max([0, 1]).
  • Fixed sum() and join() to return 0 and an empty string respectively for empty arrays.
  • Fixed 0.0 to be truthy in filters and logical operators, like every other number.
  • Fixed the compiled runtime to apply JMESPath truthiness to || and &&.
  • Fixed @(foo), foo[-] and oversized index literals to throw syntax errors.
  • Fixed PHP warnings emitted while parsing certain invalid expressions.
  • Fixed the caret position in syntax error messages for errors at the end of an expression.
  • Fixed map() to error on non-array second arguments instead of returning [].
  • Fixed Env::cleanCompileDir() when JP_PHP_COMPILE=on.

2.8.0 - 2024-09-04

  • Add support for PHP 8.4.

2.7.0 - 2023-08-15

  • Fixed flattening in arrays starting with null.
  • Drop support for HHVM and PHP earlier than 7.2.5.
  • Add support for PHP 8.1, 8.2, and 8.3.

2.6.0 - 2020-07-31

  • Support for PHP 8.0.

2.5.0 - 2019-12-30

  • Full support for PHP 7.0-7.4.
  • Fixed autoloading when run from within vendor folder.
  • Full multibyte (UTF-8) string support.

2.4.0 - 2016-12-03

  • Added support for floats when interpreting data.
  • Added a function_exists check to work around redeclaration issues.

2.3.0 - 2016-01-05

  • Added support for JEP-9, including unary filter expressions, and && filter expressions.
  • Fixed various parsing issues, including not removing escaped single quotes from raw string literals.
  • Added support for the map function.
  • Fixed several issues with code generation.

2.2.0 - 2015-05-27

  • Added support for JEP-12 and raw string literals (e.g., 'foo').

2.1.0 - 2014-01-13

  • Added JmesPath\Env::cleanCompileDir() to delete any previously compiled JMESPath expressions.

2.0.0 - 2014-01-11

  • Moving to a flattened namespace structure.
  • Runtimes are now only PHP callables.
  • Fixed an error in the way empty JSON literals are parsed so that they now return an empty string to match the Python and JavaScript implementations.
  • Removed functions from runtimes. Instead there is now a function dispatcher class, FnDispatcher, that provides function implementations behind a single dispatch function.
  • Removed ExprNode in lieu of just using a PHP callable with bound variables.
  • Removed debug methods from runtimes and instead into a new Debugger class.
  • Heavily cleaned up function argument validation.
  • Slice syntax is now properly validated (i.e., colons are followed by the appropriate value).
  • Lots of code cleanup and performance improvements.
  • Added a convenient JmesPath\search() function.
  • IMPORTANT: Relocating the project to https://github.com/jmespath/jmespath.php

1.1.1 - 2014-10-08

  • Added support for using ArrayAccess and Countable as arrays and objects.

1.1.0 - 2014-08-06

  • Added the ability to search data returned from json_decode() where JSON objects are returned as stdClass objects.