PHP wrapper of the Neo4j REST interface
PHP Wrapper Library location and additional documentation can be found at the official github page https://github.com/jadell/neo4jphp
Questions tagged [neo4jphp]
109 questions
7
votes
3 answers
How to find node with no incoming relationship in neo4j
I am having 2 node types lets say of type 'Student' and 'Teacher'
Student have {id, name}.
Teacher have {id, name}.
Student can have optional relationship with Class node as 'TEACHES'.
(t:Teacher)-[r:TEACHES]->(c:Student).
[r:TEACHES] - Optional…
Somnath Muluk
- 55,015
- 38
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5
votes
1 answer
what does transaction mean in reference with neo4j database
I got a bit confuse with term transaction.
Suppose in transaction A we have two commands C1 and C2 and same in transaction B.
Now both transaction come at same time then
Are these observations correct?
All commands of transaction A C1 and C2 will…
voila
- 1,594
- 2
- 19
- 38
4
votes
1 answer
Neo4j - Duplicates Despite Using Merge
I am attempting to generate a database using MERGE statements through Neo4JPHP. All of my queries are using MERGE; however, it is generating separate nodes every time, resulting in massive duplication.
The queries are run within a single…
randak
- 1,941
- 1
- 12
- 22
4
votes
1 answer
Parametrizing relationship depth Neo4jphp
I am new to Neo4j. I have the following query in which I tried to parametrize the depth value for the relationship and it shows an error, If I remove parametrizing the depth value it works perfectly.
$query="MATCH…
SarathSprakash
- 4,614
- 2
- 19
- 35
3
votes
1 answer
cypher limit in neo4j including duplicate rows
Using Neo4J with Cypher
I am trying to aquire what is essentially a users "wall". In this wall is posts by you, your friends, and the posts comments.
This is my query so far:
match…
RedactedProfile
- 2,748
- 6
- 32
- 51
3
votes
1 answer
Neo4j - family graph design and ancestor/pedigree lookup
I just started playing around with Neo4j, so my apologies if this is a simple concept...
I'm building a relatively large database of family information (a few million nodes with about 5-15 properties per node). As of right now, all data is being…
Jeff
- 6,643
- 3
- 25
- 35
3
votes
2 answers
use neo4jphp to get user posts, with likes and comments
I am new to neo4j and currently using Neo4jphp library with cypher to store and retrieve nodes. My logic is fairly simple. I want to get a node (post) and get all its likes (count of likes) and all comments (nodes) with their commenters (nodes of…
Zakaria Alami
- 61
- 1
- 6
3
votes
2 answers
How to soft delete functionality in neo4j?
In relational databases like mysql I was used to do soft delete by setting deleted_at. And then for retrieving SELECT just get rows WHERE deleted_at IS NULL.
I am confused how to implement soft delete in neo4j database. There are multiple ways I am…
Somnath Muluk
- 55,015
- 38
- 216
- 226
3
votes
2 answers
neo4j: authentication - only allow reading cypher queries
I'm using neo4j 1.9.4 and I would like to display some information about the graph on a (public) website using neo4jphp. In order to fetch some data I use cypher queries within neo4jphp. Those queries obviously only read data from the graph.
I have…
user2752625
- 83
- 2
- 9
3
votes
0 answers
Neo4j exception when inserting data
I'm trying to insert bulk data into Neo4j using a script. After a while the script breaks with the following Exception.
PHP Fatal error: Uncaught exception 'Everyman\Neo4j\Exception' with message 'Unable to execute query [400]:
Headers: Array
(
…
Gunjan
- 1,177
- 2
- 11
- 22
3
votes
1 answer
Creating bi-directional relation between two nodes using the neo4jphp function "relateTo"
I create a relationship as the following in Neo4php
$src->relateTo($dst, 'FRIENDS')
->setProperty('duration', '5')
->save();
I want the relationship be undirected not directed.
If I am not wrong we can do this in Cypher
create…
user1848018
- 1,086
- 1
- 14
- 33
2
votes
0 answers
Store session details in database laravel-neo4j
Hello everyone,
I am new to neo4j. I have built a test app. It is a simple laravel-neo4j user login and register app. Everything works fine. But I want to store the session details in the database, not in the file. So I have tried this method and…
Rich
- 155
- 1
- 8
- 23
2
votes
2 answers
working on Neo4j / graph database through php
I am working on a project for which I need work on graph database.
So I have learnt basics of Neo4j (cypher language) .But I do not know how to access / query the database from php.
Or suggest me any other way to work on graph database.
Help will be…
tarun14110
- 940
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2
votes
2 answers
Graphstory and Neo4jphp
I have succesfully used neo4jphp library with graphenedb with this simple steps as per documentation (considering that graphenedb does not require https)
require('vendor/autoload.php'); // or your custom autoloader
// Connecting to a different port…
Pempo
- 63
- 7
