c2is/json-extractor

Library for extracting JSON from a string or DomDocument object

v1.0.1 2016-04-15 13:34 UTC

Requires

• php: >=5.3.2
• peekmo/jsonpath: ~2.0@dev

Suggests

• jms/serializer: Useful to subsequently parse the extracted JSON.

GPL-3.0+

• John Daligault

• json
• parser
• extract

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