This is a JSONPath implementation for PHP that targets the de facto comparison suite/RFC semantics while keeping the API small, cached, and eval-free.
- PHP 8.5+ only, with enums/readonly tokens and no
eval. - Works with arrays, objects, and
ArrayAccess/traversables in any combination. - Unions cover slices/queries/wildcards/multi-key strings (quoted or unquoted); negative indexes and escaped bracket notation are supported.
- Filters support path-to-path/root comparisons, regex,
in/nin/!in, deep equality, and RFC-style null existence/value handling. - Tokenized parsing with internal caching; lightweight manual runner to try bundled examples quickly.
Requires PHP 8.5 or newer.
composer require softcreatr/jsonpath:"^1.0"Useful commands:
composer exec phpunit composer phpstan composer cs| JSONPath | Result |
|---|---|
$.store.books[*].author | the authors of all books in the store |
$..author | all authors |
$.store..price | the price of everything in the store. |
$..books[2] | the third book |
$..books[(@.length-1)] | the last book in order. |
$..books[-1:] | the last book in order. |
$..books[0,1] | the first two books |
$..books[title,year] | multiple keys in a union |
$..books[:2] | the first two books |
$..books[::2] | every second book starting from first one |
$..books[1:6:3] | every third book starting from 1 till 6 |
$..books[?(@.isbn)] | filter all books with isbn number |
$..books[?(@.price<10)] | filter all books cheaper than 10 |
$..books.length | the amount of books |
$..* | all elements in the data (recursively extracted) |
| Symbol | Description |
|---|---|
$ | The root object/element (not strictly necessary) |
@ | The current object/element |
. or [] | Child operator |
.. | Recursive descent |
* | Wildcard. All child elements regardless their index. |
[,] | Array indices as a set |
[start:end:step] | Array slice operator borrowed from ES4/Python. |
?() | Filters a result set by a comparison expression |
() | Uses the result of a comparison expression as the index |
<?phprequire_once__DIR__ . '/vendor/autoload.php'; $data = ['people' => [ ['name' => 'Sascha'], ['name' => 'Bianca'], ['name' => 'Alexander'], ['name' => 'Maximilian'], ]]; print_r((new \Flow\JSONPath\JSONPath($data))->find('$.people.*.name')->getData()); /*Array( [0] => Sascha [1] => Bianca [2] => Alexander [3] => Maximilian)*/<?phprequire_once__DIR__ . '/vendor/autoload.php'; $data = json_decode('{"name":"Sascha Greuel","birthdate":"1987-12-16","city":"Gladbeck","country":"Germany"}', false); print_r((new \Flow\JSONPath\JSONPath($data))->find('$')->getData()[0]); /*stdClass Object( [name] => Sascha Greuel [birthdate] => 1987-12-16 [city] => Gladbeck [country] => Germany)*/The options flag JSONPath::ALLOW_MAGIC will instruct JSONPath when retrieving a value to first check if an object has a magic __get() method and will call this method if available. This feature is iffy and not very predictable as:
- wildcard and recursive features will only look at public properties and can't smell which properties are magically accessible
- there is no
property_existscheck for magic methods so an object with a magic__get()will always returntruewhen checking if the property exists - any errors thrown or unpredictable behavior caused by fetching via
__get()is your own problem to deal with
<?phpuseFlow\JSONPath\JSONPath; $myObject = (newFoo())->get('bar'); $jsonPath = newJSONPath($myObject, JSONPath::ALLOW_MAGIC);Script execution is intentionally not supported:
- It would require
eval, which we avoid. - Behavior would diverge across languages and defeat having a portable expression syntax.
Supported filter/query patterns (200+ cases covered in the comparison suite):
[?(@._KEY_ _OPERATOR_ _VALUE_)] Operators: ==, =, !=, <>, !==, <, >, <=, >=, =~, in, nin, !in Examples: [?(@.title == "A string")] // equality [?(@.title = "A string")] // SQL-style equals [?(@.price < 10)] // numeric comparisons [?(@.title =~ /^a(nother)?/i)] // regex [?(@.title in ["A","B"])] // membership [?(@.title nin ["A"])] // not in [?(@.title !in ["A"])] // alternate not in [?(@.key == @.other)] // path-to-path comparison [?(@.key == $.rootValue)] // root reference [?(@)] or [?(@==@)] // truthy/tautology [?(@.length)] // existence checks [?(@['weird-key']=="ok")] // bracket-escaped keys and negative indexes A full list of (un)supported filter/query patterns can be found in the JSONPath Comparison Cheatsheet.
FlowCommunications/JSONPath is the predecessor of this library by Stephen Frank
Other / Similar implementations can be found in the Wiki.
A list of changes can be found in the CHANGELOG.md file.
This package is Treeware. If you use it in production, then we ask that you buy the world a tree to thank us for our work. By contributing to the ecologi project, you’ll be creating employment for local families and restoring wildlife habitats.
Sascha Greuel | James Lucas | Fabian Blechschmidt | Mikko Pesari | warlof | Sergey G |
Alexandru Pătrănescu | Oleg Andreyev | Remy Suen | esomething |