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Informations about the package jsonpath

:exclamation: New project maintainers :exclamation:

This project is no longer maintained here. Please go to https://github.com/SoftCreatR/JSONPath.

JSONPath Build Status

This is a JSONPath implementation for PHP based on Stefan Goessner's JSONPath script.

JSONPath is an XPath-like expression language for filtering, flattening and extracting data.

This project aims to be a clean and simple implementation with the following goals:

Installation

PHP 7.1+

PHP 5.4 - 5.6

Support for PHP 5.x is deprecated... the current version should work but all unit tests are run against 7.1+ and support may be dropped at any time in the future.

A legacy branch is maintained in php-5.x and can be composer-installed as follows: "flow/jsonpath": "dev-php-5.x"

JSONPath Examples

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[: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 cheapier than 10
$..* all elements in the data (recursively extracted)

Expression syntax

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 script expression
() Uses the result of a script expression as the index

PHP Usage

Magic method access

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:

For more examples, check the JSONPathTest.php tests file.

Script expressions

Script expressions are not supported as the original author intended because:

So here are the types of query expressions that are supported:

[?(@._KEY_ _OPERATOR_ _VALUE_)] // <, >, !=, and ==
Eg.
[?(@.title == "A string")] //
[?(@.title = "A string")]
// A single equals is not an assignment but the SQL-style of '=='

Known issues

Similar projects

Galbar/JsonPath-PHP is a PHP implementation that does a few things this project doesn't and is a strong alternative

JMESPath does similiar things, is full of features and has a PHP implementation

The Hash utility from CakePHP does some similar things

The original JsonPath implementations is available at [http://code.google.com/p/jsonpath]() and re-hosted for composer here Peekmo/JsonPath.

ObjectPath ([https://github.com/adriank/ObjectPath]()) appears to be a Python/JS implementation with a new name and extra features.

Changelog

0.5.0

0.3.0

0.2.1 - 0.2.5

0.2.0

0.1.x


All versions of jsonpath with dependencies

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Package Version
Requires php Version >=5.4.0
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