c2is / json-extractor
Library for extracting JSON from a string or DomDocument object
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Requires
- php: >=5.3.2
- peekmo/jsonpath: ~2.0@dev
Suggests
- jms/serializer: Useful to subsequently parse the extracted JSON.
This package is auto-updated.
Last update: 2025-03-01 00:14:11 UTC
README
This library allows you to extract Json from a string/json/array using JsonPath.
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[0,1] |
the first two books |
$..books[:2] |
the first two books |
$..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 |