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@michellesanver Graph Databases with PHP and Neo4j #PHPNW14

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About: Michelle Sanver @michellesanver

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About: Michelle Sanver @michellesanver President (Michelle)-[:LOVES]->(Neo4j)

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About: Michelle Sanver @michellesanver Code Addict (Michelle)-[:LOVES]->(Neo4j)

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About: Michelle Sanver @michellesanver Zürich, Switzerland (Michelle)-[:LOVES]->(Neo4j)

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About: Michelle Sanver @michellesanver (Michelle)-[:LOVES]->(Neo4j) Michelle is_from is_from lives_in lived_in

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Setting expectations. @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver Graph theory has been studied since Leonard Euler’s Bridges 1736 (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver Graphs are really just connected data… They are everywhere (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver It’s modern. (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver Facebook open graph (Michelle)-[:LOVES]->(Neo4j)

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Why graphs? @michellesanver A graph is an easy way to visualise connected data. Michelle Graphs likes (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Relational question: Average age of everyone in this list? Graph question: Who is likely to be hungover from last nights open bar? (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Relational databases have tables Recipes (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Tables have relationships Recipes Groups (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Which causes a join table… Recipes Groups RecipeToGroup (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver You query via the table Recipes Groups RecipeToGroup (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Imagine having *actual* relations Pasta group Spaghetti Italian group (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Recipes Groups RecipeToGroup Pasta group Spaghetti Italian group (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver Would you still pick relational? (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver A big query. The EAV model. (Michelle)-[:LOVES]->(Neo4j)

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Graphs vs. Relational databases @michellesanver (Michelle)-[:LOVES]->(Neo4j) SET @entityid = '3'; SELECT ea.attribute_id, ea.attribute_code, eav.value AS 'value', 'varchar' AS 'type' FROM catalog_category_entity e JOIN catalog_category_entity_varchar eav ON e.entity_id = eav.entity_id JOIN eav_attribute ea ON eav.attribute_id = ea.attribute_id WHERE e.entity_id = @entityid UNION SELECT ea.attribute_id, ea.attribute_code, eav.value AS 'value', 'int' AS 'type' FROM catalog_category_entity e JOIN catalog_category_entity_int eav ON e.entity_id = eav.entity_id JOIN eav_attribute ea ON eav.attribute_id = ea.attribute_id WHERE e.entity_id = @entityid UNION

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Graphs vs. Relational databases @michellesanver (Michelle)-[:LOVES]->(Neo4j) SELECT ea.attribute_id, ea.attribute_code, eav.value AS 'value', 'decimal' AS 'type' FROM catalog_category_entity e JOIN catalog_category_entity_ decimal eav ON e.entity_id = eav.entity_id JOIN eav_attribute ea ON eav.attribute_id = ea.attribute_id WHERE e.entity_id = @entityid UNION SELECT ea.attribute_id, ea.attribute_code, eav.value AS 'value', 'datetime' AS 'type' FROM catalog_category_entity e JOIN catalog_category_entity_datetime eav ON e.entity_id = eav.entity_id JOIN eav_attribute ea ON eav.attribute_id = ea.attribute_id WHERE e.entity_id = @entityid UNION SELECT ea.attribute_id, ea.attribute_code, eav.value AS 'value', 'text' AS 'type' FROM catalog_category_entity e JOIN catalog_category_entity_text eav ON e.entity_id = eav.entity_id JOIN eav_attribute ea ON eav.attribute_id = ea.attribute_id WHERE e.entity_id = @entityid

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Graphs vs. Relational databases @michellesanver (Michelle)-[:LOVES]->(Neo4j) Having a flexible schema database costs a lot.

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Graphs and Neo4j @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Neo4j @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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neo4j.org @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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neotechnology.com @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Java Based @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Open Source! github.com/neo4j @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Meetups everywhere neo4j.meetup.com @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Graphs have… (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver ( Nodes ) (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver (Node) { Properties } As many as you want Type: Person! ! Nick: ! geekie Type: ! Person! ! Nick: ! WyriHaximus (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver (Node) [ Relationships ] As many as you want Type: Person! ! Nick: ! geekie Type: ! Person! ! Nick: ! WyriHaximus (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver [Relationship { properties } ] As many as you want Nick: ! geekie Nick: ! WyriHaximus knows (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Labels Type: Person! ! Nick: ! geekie (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Indexes for easy lookup Type: Person! ! Nick: ! geekie (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Common named graphs (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Common named graphs Local McLaughlin graph (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver Common named graphs Diamond Butterfly Bull Franklin Tutte Wagner (Michelle)-[:LOVES]->(Neo4j)

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Graphs and Neo4j @michellesanver You can make art out of your DB. (Don’t) (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub https://github.com/Omnomhub @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver Like GitHub but for recipes! (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver Fork a recipe (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver See all forks (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver Join groups (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver Search similar recipes (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub @michellesanver Have fun! ;-) (Michelle)-[:LOVES]->(Neo4j)

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Neo4j Cypher and Browser @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Hang in there (Michelle)-[:LOVES]->(Kittens) @michellesanver

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Neo4j Cypher @michellesanver Cypher: SQL for graph databases. (Michelle)-[:LOVES]->(Neo4j)

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Neo4j Cypher @michellesanver ) (Michelle)-[:LOVES]->(Neo4j) Parentheses means nodes (Or hugs) (

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Neo4j Cypher @michellesanver } (Michelle)-[:LOVES]->(Neo4j) Curly braces means properties {

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Neo4j Cypher @michellesanver ] (Michelle)-[:LOVES]->(Neo4j) Square brackets means relationships [

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Neo4j Browser @michellesanver Makes it easy to visualise and query the data. (Michelle)-[:LOVES]->(Neo4j)

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Neo4j Browser @michellesanver Let’s learn cypher in the browser! (Michelle)-[:LOVES]->(Neo4j)

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DEMO @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Neo4j in PHP @michellesanver As we saw There’s a REST interface! (Michelle)-[:LOVES]->(Neo4j)

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Neo4j in PHP @michellesanver Neo4jPHP PHP Wrapper for the Neo4j graph database REST interface (Michelle)-[:LOVES]->(Neo4j) github.com/jadell/neo4jphp

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j) require('vendor/autoload.php'); ! $client = new Everyman\Neo4\Client('localhost', 7474); ! print_r($client->getServerInfo());

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j) Use $client to do anything!

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j) Creating a node with the client $recipe = $client->makeNode(); $recipe->setProperty('title', ‘Spaghetti Bolognese') ->setProperty('Description', ‘Italian words') ->setProperty('Ingredients', ‘A lot') ->save(); $recipe->getId();

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j) You get the idea, it’s well documented! Use $client to do anything, even Cypher queries. https://github.com/jadell/neo4jphp/wiki

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Neo4j in PHP @michellesanver (Michelle)-[:LOVES]->(Neo4j) In OmNomHub we’re using Symfony2 There’s a bundle for that. https://github.com/klaussilveira/neo4j-client-bundle

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OmNomHub: Beyond Pizza @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub: Beyond Pizza @michellesanver Connecting users “You both like” (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub: Beyond Pizza @michellesanver Connecting recipes “These have similar ingredients and user base” (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub: Beyond Pizza @michellesanver Being smart “You might like” (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub: Beyond Pizza @michellesanver Being smart Smart recipe collections! (Michelle)-[:LOVES]->(Neo4j)

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OmNomHub: Beyond Pizza @michellesanver Being creepy “Don’t like meat huh?” (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver Graphs are everywhere (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver They make it easy to connect data (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver Easier to be creepy <3 (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver OmNomHub will be EPIC :D (Michelle)-[:LOVES]->(Neo4j)

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Wrapup @michellesanver Open Source! ! ! ! ! ! https://github.com/Omnomhub (Michelle)-[:LOVES]->(Neo4j)

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Resources @michellesanver docs.neo4j.org Graph Databases - Ian Robinson, 
 neo technology gives you the e-book version for free. neo4j.org/learn (Michelle)-[:LOVES]->(Neo4j)

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Questions? @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Thank you #phpnw14 @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Pleaaaaase…. @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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Give me feedback ! https://joind.in/11807 @michellesanver (Michelle)-[:LOVES]->(Neo4j)

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How would you use it? @michellesanver (Michelle)-[:LOVES]->(Neo4j)