added fetchAll and fetchOne api

README.md

@@ -74,6 +74,8 @@ Select data
 ```php
 $db->query('SELECT * FROM songs')->all()
 $db->query('SELECT * FROM songs WHERE id = ?', [1])->one()
+$db->findAll('songs');
+$db->findOne('songs', ['id' => 1]);
 ```
 
 
@@ -133,20 +135,31 @@ $db->query('SELECT * FROM songs WHERE id = ?', [1])->one()
  $db->lastInsertId()
 ```
 
-#### Get single record as an array
+#### Get single record as an array after query
 
 ```php
  $db->query($sql, $params = [])->one()
 ```
-#### Get single record as an object
+#### Get single record as an object after query
 
 ```php
  $db->query($sql, $params = [])->oneAsObject()
 ```
-#### Get all records
+#### Get all records as an array after query
 
 ```php
  $db->query($sql, $params = [])->all()
+
+```
+#### Get a single record using a table name
+
+```php
+ $db->findOne($table, $conditions = [], $glue = 'AND', $as = 'object');
+```
+#### Get all records using a table name
+
+```php
+ $db->findOne($table, $conditions = [], $glue = 'AND');
 ```
 #### Begin a db transaction
 
@@ -157,4 +170,4 @@ $db->query('SELECT * FROM songs WHERE id = ?', [1])->one()
 
 ```php
  $db->end_transaction()
-```
+```

src/Db.php

@@ -323,6 +323,64 @@ private function _runQuery($sql, $params)
  }
  }
 
+ /**
+ * Find one record from a table
+ * 
+ * @param string $table
+ * @param array $conditions
+ * @param string $glue
+ * @return object|array
+ */
+ public function findOne($table, $conditions = [], $glue = 'AND', $as = 'object')
+ {
+ if(!empty($conditions)) {
+ $where_clause = '';
+ foreach($conditions as $key => $value) {
+ $where_clause .= '`' . $key . '`' . ' = ' . '? ' . $glue;
+ }
+ $where_clause = rtrim($where_clause, " $glue");
+ } else {
+ $where_clause = 1;
+ }
+
+ $sql = "SELECT * FROM `$table` WHERE $where_clause";
+
+ $this->_runQuery($sql, array_values($conditions));
+
+ if($as == 'object') {
+ return $this->oneAsObject();
+ }
+
+ return $this->one();
+ }
+
+ /**
+ * Find all records from a table
+ * 
+ * @param string $table
+ * @param array $conditions
+ * @param string $glue
+ * @return array
+ */
+ public function findAll($table, $conditions = [], $glue='AND')
+ {
+ if(!empty($conditions)) {
+ $where_clause = '';
+ foreach($conditions as $key => $value) {
+ $where_clause .= '`' . $key . '`' . ' = ' . '? ' . $glue;
+ }
+ $where_clause = rtrim($where_clause, " $glue");
+ } else {
+ $where_clause = 1;
+ }
+
+ $sql = "SELECT * FROM `$table` WHERE $where_clause";
+
+ $this->_runQuery($sql, array_values($conditions));
+
+ return $this->all();
+ }
+
  /**
  * Get total nunmber of rows affected rows
  *