quick reference

Author: dcblogdev

README.md

@@ -2,13 +2,15 @@
 
 This PDO wrapper, is a collection of methods for working with a database this includes selecting, inserting, updating and deleting records.
 
-> Version 2+ has been rewritten for the old docs pleease see [v1 branch](https://github.com/dcblogdev/pdo-wrapper/tree/v1)
+> V2+ has been rewritten for the old docs please see [V1 branch](https://github.com/dcblogdev/pdo-wrapper/tree/v1)
+
+## Upgrade from V1
 
 Version 2 is now namespaced as `Dcblogdev` instead of `Daveismyname`
 
 Also the methods `get()` and `select()` have been removed.
 
-Instead of ::get() a new instance of the class used `new Database()`
+Instead of ::get() a new instance of the class used `new Database($args)`
 
 Select has been replaced with `->rows()` and `->row()` or `->run()`
 
@@ -41,6 +43,69 @@ $options = [
 $db = new Database($options);
 ```
 
+# Quick Reference
+```php
+//create table
+$db->raw("CREATE TABLE demo (id int auto_increment primary key, name varchar(255))");
+
+//use PDO directly
+$db->getPdo()->query('Select username FROM users')->fetchAll();
+
+//use run to query and chain methods
+$db->run("SELECT * FROM users")->fetchAll();
+$db->run("SELECT * FROM users")->fetch();
+$db->run("SELECT * FROM users WHERE id = ?", [$id])->fetch();
+//select using array instead of object
+$db->run("SELECT * FROM users")->fetch(PDO::FETCH_ASSOC);
+
+//get by id
+$db->getById('users', 2);
+
+//get all rows
+$db->rows("SELECT title FROM posts");
+//get all rows with placeholders
+$db->rows("SELECT title FROM posts WHERE user_id = ?", [$user_id]);
+
+//get single row
+$db->row("SELECT title FROM posts");
+//get single row with placeholders
+$db->row("SELECT title FROM posts WHERE user_id = ?", [$user_id]);
+
+//count
+$db->count("SELECT id FROM posts");
+$db->count("SELECT id FROM posts WHERE category_id = ?", [$category_id]);
+
+//insert
+$id = $db->insert('users', ['username' => 'Dave', 'role' => 'Admin']);
+
+//last inserted id
+$db->lastInsertId()();
+
+//update
+$db->update('users', ['role' => 'Editor'], ['id' => 3]);
+
+//delete from table with a where claus and a limit of 1 record
+$db->delete('posts', ['type_id' => 'draft'], $limit = 1);
+
+//delete from table with a where claus and a limit of 10 record
+$db->delete('posts', ['type_id' => 'draft'], $limit = 10);
+
+//delete all from table with a where claus and a limit of 10 record
+$db->delete('posts', ['type_id' => 'draft'], null);
+
+//delete all from table
+$db->deleteAll('posts');
+
+//delete by id from table
+$db->deleteById('posts', 2);
+
+//delete by ids from table
+$db->deleteById('posts', '2,4,7');
+
+//truncate table
+$eb->truncate('posts');
+```
+
 # Usage examples
 
 ## Accessing PDO