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PHP-MySQLi-Database-Class
Commit 1c46e232 authored by tommyknocker's avatar tommyknocker
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- Some small refactoring to comply PSR 1 & 2 standard 

- Exceptions instead of dying
- new self() in subQuery method
parent e6189a92
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Showing with 490 additions and 318 deletions
MysqliDb.php
View file @ 1c46e232
<?php
/**
* MysqliDb Class
*
......@@ -11,71 +12,83 @@
* @license http://opensource.org/licenses/gpl-3.0.html GNU Public License
* @link http://github.com/joshcam/PHP-MySQLi-Database-Class
* @version 2.6-master
**/
*/
class MysqliDb
{
/**
* Static instance of self
*
* @var MysqliDb
*/
protected static $_instance;
/**
* Table prefix
*
* @var string
*/
public static $prefix = '';
/**
* MySQLi instance
*
* @var mysqli
*/
protected $_mysqli;
/**
* The SQL query to be prepared and executed
*
* @var string
*/
protected $_query;
/**
* The previously executed SQL query
*
* @var string
*/
protected $_lastQuery;
/**
* The SQL query options required after SELECT, INSERT, UPDATE or DELETE
*
* @var string
*/
protected $_queryOptions = array();
/**
* An array that holds where joins
*
* @var array
*/
protected $_join = array();
/**
* An array that holds where conditions
*
* @var array
*/
protected $_where = array();
/**
* An array that holds having conditions
*
* @var array
*/
protected $_having = array();
/**
* Dynamic type list for order by condition value
*/
protected $_orderBy = array();
/**
* Dynamic type list for group by condition value
*/
protected $_groupBy = array();
/**
* Dynamic array that holds a combination of where condition/table data value types and parameter references
*
......@@ -88,12 +101,14 @@ class MysqliDb
* @var string
*/
public $count = 0;
/**
* Variable which holds an amount of returned rows during get/getOne/select queries with withTotalCount()
*
* @var string
*/
public $totalCount = 0;
/**
* Variable which holds last statement error
*
......@@ -180,20 +195,22 @@ class MysqliDb
* @param string $db
* @param int $port
*/
public function __construct($host = NULL, $username = NULL, $password = NULL, $db = NULL, $port = NULL, $charset = 'utf8')
public function __construct($host = null, $username = null, $password = null, $db = null, $port = null, $charset = 'utf8')
{
$isSubQuery = false;
// if params were passed as array
if (is_array ($host)) {
foreach ($host as $key => $val)
if (is_array($host)) {
foreach ($host as $key => $val) {
$$key = $val;
}
}
// if host were set as mysqli socket
if (is_object ($host))
if (is_object($host)) {
$this->_mysqli = $host;
else
} else {
$this->host = $host;
}
$this->username = $username;
$this->password = $password;
......@@ -205,38 +222,48 @@ class MysqliDb
$this->isSubQuery = true;
return;
}
if (isset ($prefix))
$this->setPrefix ($prefix);
if (isset($prefix)) {
$this->setPrefix($prefix);
}
self::$_instance = $this;
}
/**
* A method to connect to the database
*
*
* @throws Exception
*/
public function connect()
{
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
if (empty ($this->host))
die ('Mysql host is not set');
if (empty($this->host)) {
throw new Exception('Mysql host is not set');
}
$this->_mysqli = new mysqli($this->host, $this->username, $this->password, $this->db, $this->port);
$this->_mysqli = new mysqli ($this->host, $this->username, $this->password, $this->db, $this->port);
if ($this->_mysqli->connect_error)
throw new Exception ('Connect Error ' . $this->_mysqli->connect_errno . ': ' . $this->_mysqli->connect_error);
if ($this->_mysqli->connect_error) {
throw new Exception('Connect Error ' . $this->_mysqli->connect_errno . ': ' . $this->_mysqli->connect_error);
}
if ($this->charset)
$this->_mysqli->set_charset ($this->charset);
if ($this->charset) {
$this->_mysqli->set_charset($this->charset);
}
}
/**
* A method to get mysqli object or create it in case needed
*/
public function mysqli ()
public function mysqli()
{
if (!$this->_mysqli)
if (!$this->_mysqli) {
$this->connect();
}
return $this->_mysqli;
}
......@@ -261,8 +288,9 @@ class MysqliDb
*/
protected function reset()
{
if ($this->traceEnabled)
$this->trace[] = array ($this->_lastQuery, (microtime(true) - $this->traceStartQ) , $this->_traceGetCaller());
if ($this->traceEnabled) {
$this->trace[] = array($this->_lastQuery, (microtime(true) - $this->traceStartQ), $this->_traceGetCaller());
}
$this->_where = array();
$this->_having = array();
......@@ -285,9 +313,10 @@ class MysqliDb
/**
* Helper function to create dbObject with Json return type
*
* @return dbObject
* @return object
*/
public function JsonBuilder () {
public function JsonBuilder()
{
$this->returnType = 'Json';
return $this;
}
......@@ -296,9 +325,10 @@ class MysqliDb
* Helper function to create dbObject with Array return type
* Added for consistency as thats default output type
*
* @return dbObject
* @return object
*/
public function ArrayBuilder () {
public function ArrayBuilder()
{
$this->returnType = 'Array';
return $this;
}
......@@ -306,9 +336,10 @@ class MysqliDb
/**
* Helper function to create dbObject with Object return type.
*
* @return dbObject
* @return object
*/
public function ObjectBuilder () {
public function ObjectBuilder()
{
$this->returnType = 'Object';
return $this;
}
......@@ -317,6 +348,7 @@ class MysqliDb
* Method to set a prefix
*
* @param string $prefix Contains a tableprefix
* @return object
*/
public function setPrefix($prefix = '')
{
......@@ -332,26 +364,25 @@ class MysqliDb
*
* @return array Contains the returned rows from the query.
*/
public function rawQuery ($query, $bindParams = null)
public function rawQuery($query, $bindParams = null)
{
$params = array(''); // Create the empty 0 index
$this->_query = $query;
$stmt = $this->_prepareQuery();
if (is_array ($bindParams) === true) {
if (is_array($bindParams) === true) {
foreach ($bindParams as $prop => $val) {
$params[0] .= $this->_determineType($val);
array_push($params, $bindParams[$prop]);
}
call_user_func_array(array($stmt, 'bind_param'), $this->refValues($params));
}
$stmt->execute();
$this->count = $stmt->affected_rows;
$this->_stmtError = $stmt->error;
$this->_lastQuery = $this->replacePlaceHolders ($this->_query, $params);
$this->_lastQuery = $this->replacePlaceHolders($this->_query, $params);
$res = $this->_dynamicBindResults($stmt);
$this->reset();
......@@ -368,10 +399,12 @@ class MysqliDb
*
* @return array Contains the returned row from the query.
*/
public function rawQueryOne ($query, $bindParams = null) {
$res = $this->rawQuery ($query, $bindParams);
if (is_array ($res) && isset ($res[0]))
public function rawQueryOne($query, $bindParams = null)
{
$res = $this->rawQuery($query, $bindParams);
if (is_array($res) && isset($res[0])) {
return $res[0];
}
return null;
}
......@@ -386,21 +419,26 @@ class MysqliDb
*
* @return mixed Contains the returned rows from the query.
*/
public function rawQueryValue ($query, $bindParams = null) {
$res = $this->rawQuery ($query, $bindParams);
if (!$res)
public function rawQueryValue($query, $bindParams = null)
{
$res = $this->rawQuery($query, $bindParams);
if (!$res) {
return null;
}
$limit = preg_match ('/limit\s+1;?$/i', $query);
$key = key ($res[0]);
if (isset($res[0][$key]) && $limit == true)
$limit = preg_match('/limit\s+1;?$/i', $query);
$key = key($res[0]);
if (isset($res[0][$key]) && $limit == true) {
return $res[0][$key];
}
$newRes = Array ();
for ($i = 0; $i < $this->count; $i++)
$newRes = Array();
for ($i = 0; $i < $this->count; $i++) {
$newRes[] = $res[$i][$key];
}
return $newRes;
}
/**
*
* @param string $query Contains a user-provided select query.
......@@ -426,29 +464,34 @@ class MysqliDb
* @uses $MySqliDb->setQueryOption('name');
*
* @param string/array $options The optons name of the query.
*
* @throws Exception
* @return MysqliDb
*/
public function setQueryOption ($options) {
$allowedOptions = Array ('ALL','DISTINCT','DISTINCTROW','HIGH_PRIORITY','STRAIGHT_JOIN','SQL_SMALL_RESULT',
'SQL_BIG_RESULT','SQL_BUFFER_RESULT','SQL_CACHE','SQL_NO_CACHE', 'SQL_CALC_FOUND_ROWS',
'LOW_PRIORITY','IGNORE','QUICK', 'MYSQLI_NESTJOIN', 'FOR UPDATE', 'LOCK IN SHARE MODE');
if (!is_array ($options))
$options = Array ($options);
public function setQueryOption($options)
{
$allowedOptions = Array('ALL', 'DISTINCT', 'DISTINCTROW', 'HIGH_PRIORITY', 'STRAIGHT_JOIN', 'SQL_SMALL_RESULT',
'SQL_BIG_RESULT', 'SQL_BUFFER_RESULT', 'SQL_CACHE', 'SQL_NO_CACHE', 'SQL_CALC_FOUND_ROWS',
'LOW_PRIORITY', 'IGNORE', 'QUICK', 'MYSQLI_NESTJOIN', 'FOR UPDATE', 'LOCK IN SHARE MODE');
if (!is_array($options)) {
$options = Array($options);
}
foreach ($options as $option) {
$option = strtoupper ($option);
if (!in_array ($option, $allowedOptions))
die ('Wrong query option: '.$option);
$option = strtoupper($option);
if (!in_array($option, $allowedOptions)) {
throw new Exception('Wrong query option: ' . $option);
}
if ($option == 'MYSQLI_NESTJOIN')
if ($option == 'MYSQLI_NESTJOIN') {
$this->_nestJoin = true;
else if ($option == 'FOR UPDATE')
} elseif ($option == 'FOR UPDATE') {
$this->_forUpdate = true;
else if ($option == 'LOCK IN SHARE MODE')
} elseif ($option == 'LOCK IN SHARE MODE') {
$this->_lockInShareMode = true;
else
} else {
$this->_queryOptions[] = $option;
}
}
return $this;
......@@ -459,8 +502,9 @@ class MysqliDb
*
* @return MysqliDb
*/
public function withTotalCount () {
$this->setQueryOption ('SQL_CALC_FOUND_ROWS');
public function withTotalCount()
{
$this->setQueryOption('SQL_CALC_FOUND_ROWS');
return $this;
}
......@@ -475,21 +519,25 @@ class MysqliDb
*/
public function get($tableName, $numRows = null, $columns = '*')
{
if (empty ($columns))
if (empty($columns)) {
$columns = '*';
}
$column = is_array($columns) ? implode(', ', $columns) : $columns;
if (strpos ($tableName, '.') === false)
if (strpos($tableName, '.') === false) {
$this->_tableName = self::$prefix . $tableName;
else
} else {
$this->_tableName = $tableName;
}
$this->_query = 'SELECT ' . implode(' ', $this->_queryOptions) . ' ' .
$column . " FROM " . $this->_tableName;
$column . " FROM " . $this->_tableName;
$stmt = $this->_buildQuery($numRows);
if ($this->isSubQuery)
if ($this->isSubQuery) {
return $this;
}
$stmt->execute();
$this->_stmtError = $stmt->error;
......@@ -508,14 +556,15 @@ class MysqliDb
*/
public function getOne($tableName, $columns = '*')
{
$res = $this->get ($tableName, 1, $columns);
$res = $this->get($tableName, 1, $columns);
if ($res instanceof MysqliDb)
if ($res instanceof MysqliDb) {
return $res;
else if (is_array ($res) && isset ($res[0]))
} elseif (is_array($res) && isset($res[0])) {
return $res[0];
else if ($res)
} elseif ($res) {
return $res;
}
return null;
}
......@@ -528,22 +577,25 @@ class MysqliDb
*
* @return mixed Contains the value of a returned column / array of values
*/
public function getValue ($tableName, $column, $limit = 1)
public function getValue($tableName, $column, $limit = 1)
{
$res = $this->ArrayBuilder()->get ($tableName, $limit, "{$column} AS retval");
$res = $this->ArrayBuilder()->get($tableName, $limit, "{$column} AS retval");
if (!$res)
if (!$res) {
return null;
}
if ($limit == 1) {
if (isset ($res[0]["retval"]))
if (isset($res[0]["retval"])) {
return $res[0]["retval"];
}
return null;
}
$newRes = Array ();
for ($i = 0; $i < $this->count; $i++)
$newRes = Array();
for ($i = 0; $i < $this->count; $i++) {
$newRes[] = $res[$i]['retval'];
}
return $newRes;
}
......@@ -555,8 +607,9 @@ class MysqliDb
*
* @return boolean Boolean indicating whether the insert query was completed succesfully.
*/
public function insert ($tableName, $insertData) {
return $this->_buildInsert ($tableName, $insertData, 'INSERT');
public function insert($tableName, $insertData)
{
return $this->_buildInsert($tableName, $insertData, 'INSERT');
}
/**
......@@ -567,8 +620,9 @@ class MysqliDb
*
* @return boolean Boolean indicating whether the insert query was completed succesfully.
*/
public function replace ($tableName, $insertData) {
return $this->_buildInsert ($tableName, $insertData, 'REPLACE');
public function replace($tableName, $insertData)
{
return $this->_buildInsert($tableName, $insertData, 'REPLACE');
}
/**
......@@ -595,12 +649,13 @@ class MysqliDb
*/
public function update($tableName, $tableData)
{
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
$this->_query = "UPDATE " . self::$prefix . $tableName;
$stmt = $this->_buildQuery (null, $tableData);
$stmt = $this->_buildQuery(null, $tableData);
$status = $stmt->execute();
$this->reset();
$this->_stmtError = $stmt->error;
......@@ -620,14 +675,17 @@ class MysqliDb
*/
public function delete($tableName, $numRows = null)
{
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
$table = self::$prefix . $tableName;
if (count ($this->_join))
$this->_query = "DELETE " . preg_replace ('/.* (.*)/', '$1', $table) . " FROM " . $table;
else
if (count($this->_join)) {
$this->_query = "DELETE " . preg_replace('/.* (.*)/', '$1', $table) . " FROM " . $table;
} else {
$this->_query = "DELETE FROM " . $table;
}
$stmt = $this->_buildQuery($numRows);
$stmt->execute();
......@@ -650,13 +708,16 @@ class MysqliDb
public function where($whereProp, $whereValue = 'DBNULL', $operator = '=', $cond = 'AND')
{
// forkaround for an old operation api
if (is_array ($whereValue) && ($key = key ($whereValue)) != "0") {
if (is_array($whereValue) && ($key = key($whereValue)) != "0") {
$operator = $key;
$whereValue = $whereValue[$key];
}
if (count ($this->_where) == 0)
if (count($this->_where) == 0) {
$cond = '';
$this->_where[] = Array ($cond, $whereProp, $operator, $whereValue);
}
$this->_where[] = Array($cond, $whereProp, $operator, $whereValue);
return $this;
}
......@@ -686,9 +747,8 @@ class MysqliDb
*/
public function orWhere($whereProp, $whereValue = 'DBNULL', $operator = '=')
{
return $this->where ($whereProp, $whereValue, $operator, 'OR');
return $this->where($whereProp, $whereValue, $operator, 'OR');
}
/*
* This method allows you to specify multiple (method chaining optional) AND HAVING statements for SQL queries.
*
......@@ -699,12 +759,14 @@ class MysqliDb
*
* @return MysqliDb
*/
public function having($havingProp, $havingValue = null, $operator = null)
{
if ($operator)
$havingValue = Array ($operator => $havingValue);
if ($operator) {
$havingValue = Array($operator => $havingValue);
}
$this->_having[] = Array ("AND", $havingValue, $havingProp);
$this->_having[] = Array("AND", $havingValue, $havingProp);
return $this;
}
......@@ -720,10 +782,11 @@ class MysqliDb
*/
public function orHaving($havingProp, $havingValue = null, $operator = null)
{
if ($operator)
$havingValue = Array ($operator => $havingValue);
if ($operator) {
$havingValue = Array($operator => $havingValue);
}
$this->_having[] = Array ("OR", $havingValue, $havingProp);
$this->_having[] = Array("OR", $havingValue, $havingProp);
return $this;
}
......@@ -735,24 +798,27 @@ class MysqliDb
* @param string $joinTable The name of the table.
* @param string $joinCondition the condition.
* @param string $joinType 'LEFT', 'INNER' etc.
*
* @throws Exception
* @return MysqliDb
*/
public function join($joinTable, $joinCondition, $joinType = '')
{
public function join($joinTable, $joinCondition, $joinType = '')
{
$allowedTypes = array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER');
$joinType = strtoupper (trim ($joinType));
$joinType = strtoupper(trim($joinType));
if ($joinType && !in_array ($joinType, $allowedTypes))
die ('Wrong JOIN type: '.$joinType);
if ($joinType && !in_array($joinType, $allowedTypes)) {
throw new Exception('Wrong JOIN type: ' . $joinType);
}
if (!is_object ($joinTable))
if (!is_object($joinTable)) {
$joinTable = self::$prefix . $joinTable;
}
$this->_join[] = Array ($joinType, $joinTable, $joinCondition);
$this->_join[] = Array($joinType, $joinTable, $joinCondition);
return $this;
}
/**
* This method allows you to specify multiple (method chaining optional) ORDER BY statements for SQL queries.
*
......@@ -760,27 +826,29 @@ class MysqliDb
*
* @param string $orderByField The name of the database field.
* @param string $orderByDirection Order direction.
*
* @throws Exception
* @return MysqliDb
*/
public function orderBy($orderByField, $orderbyDirection = "DESC", $customFields = null)
{
$allowedDirection = Array ("ASC", "DESC");
$orderbyDirection = strtoupper (trim ($orderbyDirection));
$orderByField = preg_replace ("/[^-a-z0-9\.\(\),_`\*\'\"]+/i",'', $orderByField);
$allowedDirection = Array("ASC", "DESC");
$orderbyDirection = strtoupper(trim($orderbyDirection));
$orderByField = preg_replace("/[^-a-z0-9\.\(\),_`\*\'\"]+/i", '', $orderByField);
// Add table prefix to orderByField if needed.
//FIXME: We are adding prefix only if table is enclosed into `` to distinguish aliases
// from table names
$orderByField = preg_replace('/(\`)([`a-zA-Z0-9_]*\.)/', '\1' . self::$prefix. '\2', $orderByField);
$orderByField = preg_replace('/(\`)([`a-zA-Z0-9_]*\.)/', '\1' . self::$prefix . '\2', $orderByField);
if (empty($orderbyDirection) || !in_array ($orderbyDirection, $allowedDirection))
die ('Wrong order direction: '.$orderbyDirection);
if (empty($orderbyDirection) || !in_array($orderbyDirection, $allowedDirection)) {
throw new Exception('Wrong order direction: ' . $orderbyDirection);
}
if (is_array ($customFields)) {
foreach ($customFields as $key => $value)
$customFields[$key] = preg_replace ("/[^-a-z0-9\.\(\),_`]+/i",'', $value);
if (is_array($customFields)) {
foreach ($customFields as $key => $value) {
$customFields[$key] = preg_replace("/[^-a-z0-9\.\(\),_`]+/i", '', $value);
}
$orderByField = 'FIELD (' . $orderByField . ', "' . implode('","', $customFields) . '")';
}
......@@ -800,7 +868,7 @@ class MysqliDb
*/
public function groupBy($groupByField)
{
$groupByField = preg_replace ("/[^-a-z0-9\.\(\),_\*]+/i",'', $groupByField);
$groupByField = preg_replace("/[^-a-z0-9\.\(\),_\*]+/i", '', $groupByField);
$this->_groupBy[] = $groupByField;
return $this;
......@@ -836,7 +904,8 @@ class MysqliDb
*
* @return bool True if connection is up
*/
public function ping() {
public function ping()
{
return $this->mysqli()->ping();
}
......@@ -879,9 +948,10 @@ class MysqliDb
*
* @param string Variable value
*/
protected function _bindParam($value) {
$this->_bindParams[0] .= $this->_determineType ($value);
array_push ($this->_bindParams, $value);
protected function _bindParam($value)
{
$this->_bindParams[0] .= $this->_determineType($value);
array_push($this->_bindParams, $value);
}
/**
......@@ -889,9 +959,10 @@ class MysqliDb
*
* @param Array Variable with values
*/
protected function _bindParams ($values) {
protected function _bindParams($values)
{
foreach ($values as $value)
$this->_bindParam ($value);
$this->_bindParam($value);
}
/**
......@@ -901,14 +972,15 @@ class MysqliDb
*
* @param Array Variable with values
*/
protected function _buildPair ($operator, $value) {
protected function _buildPair($operator, $value)
{
if (!is_object($value)) {
$this->_bindParam ($value);
return ' ' . $operator. ' ? ';
$this->_bindParam($value);
return ' ' . $operator . ' ? ';
}
$subQuery = $value->getSubQuery ();
$this->_bindParams ($subQuery['params']);
$subQuery = $value->getSubQuery();
$this->_bindParams($subQuery['params']);
return " " . $operator . " (" . $subQuery['query'] . ") " . $subQuery['alias'];
}
......@@ -921,23 +993,26 @@ class MysqliDb
*
* @return boolean Boolean indicating whether the insert query was completed succesfully.
*/
private function _buildInsert ($tableName, $insertData, $operation)
private function _buildInsert($tableName, $insertData, $operation)
{
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
$this->_query = $operation . " " . implode (' ', $this->_queryOptions) ." INTO " .self::$prefix . $tableName;
$stmt = $this->_buildQuery (null, $insertData);
$this->_query = $operation . " " . implode(' ', $this->_queryOptions) . " INTO " . self::$prefix . $tableName;
$stmt = $this->_buildQuery(null, $insertData);
$stmt->execute();
$this->_stmtError = $stmt->error;
$this->reset();
$this->count = $stmt->affected_rows;
if ($stmt->affected_rows < 1)
if ($stmt->affected_rows < 1) {
return false;
}
if ($stmt->insert_id > 0)
if ($stmt->insert_id > 0) {
return $stmt->insert_id;
}
return true;
}
......@@ -956,29 +1031,33 @@ class MysqliDb
protected function _buildQuery($numRows = null, $tableData = null)
{
$this->_buildJoin();
$this->_buildInsertQuery ($tableData);
$this->_buildInsertQuery($tableData);
$this->_buildCondition('WHERE', $this->_where);
$this->_buildGroupBy();
$this->_buildCondition('HAVING', $this->_having);
$this->_buildOrderBy();
$this->_buildLimit ($numRows);
$this->_buildLimit($numRows);
$this->_buildOnDuplicate($tableData);
if ($this->_forUpdate)
if ($this->_forUpdate) {
$this->_query .= ' FOR UPDATE';
if ($this->_lockInShareMode)
}
if ($this->_lockInShareMode) {
$this->_query .= ' LOCK IN SHARE MODE';
}
$this->_lastQuery = $this->replacePlaceHolders ($this->_query, $this->_bindParams);
$this->_lastQuery = $this->replacePlaceHolders($this->_query, $this->_bindParams);
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
// Prepare query
$stmt = $this->_prepareQuery();
// Bind parameters to statement if any
if (count ($this->_bindParams) > 1)
if (count($this->_bindParams) > 1) {
call_user_func_array(array($stmt, 'bind_param'), $this->refValues($this->_bindParams));
}
return $stmt;
}
......@@ -995,7 +1074,9 @@ class MysqliDb
{
$parameters = array();
$results = array();
// See http://php.net/manual/en/mysqli-result.fetch-fields.php
/**
* @see http://php.net/manual/en/mysqli-result.fetch-fields.php
*/
$mysqlLongType = 252;
$shouldStoreResult = false;
......@@ -1003,16 +1084,17 @@ class MysqliDb
// if $meta is false yet sqlstate is true, there's no sql error but the query is
// most likely an update/insert/delete which doesn't produce any results
if(!$meta && $stmt->sqlstate)
if (!$meta && $stmt->sqlstate)
return array();
$row = array();
while ($field = $meta->fetch_field()) {
if ($field->type == $mysqlLongType)
if ($field->type == $mysqlLongType) {
$shouldStoreResult = true;
}
if ($this->_nestJoin && $field->table != $this->_tableName) {
$field->table = substr ($field->table, strlen (self::$prefix));
$field->table = substr($field->table, strlen(self::$prefix));
$row[$field->table][$field->name] = null;
$parameters[] = & $row[$field->table][$field->name];
} else {
......@@ -1024,117 +1106,138 @@ class MysqliDb
// avoid out of memory bug in php 5.2 and 5.3. Mysqli allocates lot of memory for long*
// and blob* types. So to avoid out of memory issues store_result is used
// https://github.com/joshcam/PHP-MySQLi-Database-Class/pull/119
if ($shouldStoreResult)
$stmt->store_result();
if ($shouldStoreResult) {
$stmt->store_result();
}
call_user_func_array(array($stmt, 'bind_result'), $parameters);
$this->totalCount = 0;
$this->count = 0;
while ($stmt->fetch()) {
if ($this->returnType == 'Object') {
$x = new stdClass ();
$result = new stdClass ();
foreach ($row as $key => $val) {
if (is_array ($val)) {
$x->$key = new stdClass ();
foreach ($val as $k => $v)
$x->$key->$k = $v;
if (is_array($val)) {
$result->$key = new stdClass ();
foreach ($val as $k => $v) {
$result->$key->$k = $v;
}
} else
$x->$key = $val;
$result->$key = $val;
}
} else {
$x = array();
$result = array();
foreach ($row as $key => $val) {
if (is_array($val)) {
foreach ($val as $k => $v)
$x[$key][$k] = $v;
foreach ($val as $k => $v) {
$result[$key][$k] = $v;
}
} else
$x[$key] = $val;
$result[$key] = $val;
}
}
$this->count++;
if ($this->_mapKey)
$results[$row[$this->_mapKey]] = count ($row) > 2 ? $x : end ($x);
$results[$row[$this->_mapKey]] = count($row) > 2 ? $result : end($result);
else
array_push ($results, $x);
array_push($results, $result);
}
if ($shouldStoreResult)
if ($shouldStoreResult) {
$stmt->free_result();
}
$stmt->close();
// stored procedures sometimes can return more then 1 resultset
if ($this->mysqli()->more_results())
if ($this->mysqli()->more_results()) {
$this->mysqli()->next_result();
}
if (in_array ('SQL_CALC_FOUND_ROWS', $this->_queryOptions)) {
$stmt = $this->mysqli()->query ('SELECT FOUND_ROWS()');
if (in_array('SQL_CALC_FOUND_ROWS', $this->_queryOptions)) {
$stmt = $this->mysqli()->query('SELECT FOUND_ROWS()');
$totalCount = $stmt->fetch_row();
$this->totalCount = $totalCount[0];
}
if ($this->returnType == 'Json')
return json_encode ($results);
if ($this->returnType == 'Json') {
return json_encode($results);
}
return $results;
}
/**
* Abstraction method that will build an JOIN part of the query
*/
protected function _buildJoin () {
if (empty ($this->_join))
protected function _buildJoin()
{
if (empty($this->_join)) {
return;
}
foreach ($this->_join as $data) {
list ($joinType, $joinTable, $joinCondition) = $data;
list ($joinType, $joinTable, $joinCondition) = $data;
if (is_object ($joinTable))
$joinStr = $this->_buildPair ("", $joinTable);
else
if (is_object($joinTable)) {
$joinStr = $this->_buildPair("", $joinTable);
} else {
$joinStr = $joinTable;
}
$this->_query .= " " . $joinType. " JOIN " . $joinStr ." on " . $joinCondition;
$this->_query .= " " . $joinType . " JOIN " . $joinStr . " on " . $joinCondition;
}
}
public function _buildDataPairs ($tableData, $tableColumns, $isInsert) {
/**
*
* @throws Exception
*/
public function _buildDataPairs($tableData, $tableColumns, $isInsert)
{
foreach ($tableColumns as $column) {
$value = $tableData[$column];
if (!$isInsert)
if (!$isInsert) {
$this->_query .= "`" . $column . "` = ";
}
// Subquery value
if ($value instanceof MysqliDb) {
$this->_query .= $this->_buildPair ("", $value) . ", ";
$this->_query .= $this->_buildPair("", $value) . ", ";
continue;
}
// Simple value
if (!is_array ($value)) {
if (!is_array($value)) {
$this->_bindParam($value);
$this->_query .= '?, ';
continue;
}
// Function value
$key = key ($value);
$key = key($value);
$val = $value[$key];
switch ($key) {
case '[I]':
$this->_query .= $column . $val . ", ";
break;
case '[F]':
$this->_query .= $val[0] . ", ";
if (!empty ($val[1]))
$this->_bindParams ($val[1]);
break;
case '[N]':
if ($val == null)
$this->_query .= "!" . $column . ", ";
else
$this->_query .= "!" . $val . ", ";
break;
default:
die ("Wrong operation");
case '[I]':
$this->_query .= $column . $val . ", ";
break;
case '[F]':
$this->_query .= $val[0] . ", ";
if (!empty($val[1])) {
$this->_bindParams($val[1]);
}
break;
case '[N]':
if ($val == null)
$this->_query .= "!" . $column . ", ";
else
$this->_query .= "!" . $val . ", ";
break;
default:
throw new Exception("Wrong operation");
}
}
$this->_query = rtrim($this->_query, ', ');
......@@ -1149,85 +1252,93 @@ class MysqliDb
{
if (is_array($this->_updateColumns) && !empty($this->_updateColumns)) {
$this->_query .= " on duplicate key update ";
if ($this->_lastInsertId)
$this->_query .= $this->_lastInsertId . "=LAST_INSERT_ID (".$this->_lastInsertId."), ";
if ($this->_lastInsertId) {
$this->_query .= $this->_lastInsertId . "=LAST_INSERT_ID (" . $this->_lastInsertId . "), ";
}
foreach ($this->_updateColumns as $key => $val) {
// skip all params without a value
if (is_numeric ($key)) {
if (is_numeric($key)) {
$this->_updateColumns[$val] = '';
unset ($this->_updateColumns[$key]);
unset($this->_updateColumns[$key]);
} else
$tableData[$key] = $val;
}
$this->_buildDataPairs ($tableData, array_keys ($this->_updateColumns), false);
$this->_buildDataPairs($tableData, array_keys($this->_updateColumns), false);
}
}
/**
* Abstraction method that will build an INSERT or UPDATE part of the query
*/
protected function _buildInsertQuery ($tableData) {
if (!is_array ($tableData))
protected function _buildInsertQuery($tableData)
{
if (!is_array($tableData)) {
return;
}
$isInsert = preg_match ('/^[INSERT|REPLACE]/', $this->_query);
$dataColumns = array_keys ($tableData);
if ($isInsert)
$this->_query .= ' (`' . implode ($dataColumns, '`, `') . '`) VALUES (';
else
$isInsert = preg_match('/^[INSERT|REPLACE]/', $this->_query);
$dataColumns = array_keys($tableData);
if ($isInsert) {
$this->_query .= ' (`' . implode($dataColumns, '`, `') . '`) VALUES (';
} else {
$this->_query .= " SET ";
}
$this->_buildDataPairs ($tableData, $dataColumns, $isInsert);
$this->_buildDataPairs($tableData, $dataColumns, $isInsert);
if ($isInsert)
if ($isInsert) {
$this->_query .= ')';
}
}
/**
* Abstraction method that will build the part of the WHERE conditions
*/
protected function _buildCondition ($operator, &$conditions) {
if (empty ($conditions))
protected function _buildCondition($operator, &$conditions)
{
if (empty($conditions)) {
return;
}
//Prepare the where portion of the query
$this->_query .= ' ' . $operator;
foreach ($conditions as $cond) {
list ($concat, $varName, $operator, $val) = $cond;
$this->_query .= " " . $concat ." " . $varName;
$this->_query .= " " . $concat . " " . $varName;
switch (strtolower ($operator)) {
switch (strtolower($operator)) {
case 'not in':
case 'in':
$comparison = ' ' . $operator. ' (';
if (is_object ($val)) {
$comparison .= $this->_buildPair ("", $val);
$comparison = ' ' . $operator . ' (';
if (is_object($val)) {
$comparison .= $this->_buildPair("", $val);
} else {
foreach ($val as $v) {
$comparison .= ' ?,';
$this->_bindParam ($v);
$this->_bindParam($v);
}
}
$this->_query .= rtrim($comparison, ',').' ) ';
$this->_query .= rtrim($comparison, ',') . ' ) ';
break;
case 'not between':
case 'between':
$this->_query .= " $operator ? AND ? ";
$this->_bindParams ($val);
$this->_bindParams($val);
break;
case 'not exists':
case 'exists':
$this->_query.= $operator . $this->_buildPair ("", $val);
$this->_query.= $operator . $this->_buildPair("", $val);
break;
default:
if (is_array ($val))
$this->_bindParams ($val);
else if ($val === null)
if (is_array($val)) {
$this->_bindParams($val);
} elseif ($val === null) {
$this->_query .= $operator . " NULL";
else if ($val != 'DBNULL' || $val == '0')
$this->_query .= $this->_buildPair ($operator, $val);
} elseif ($val != 'DBNULL' || $val == '0') {
$this->_query .= $this->_buildPair($operator, $val);
}
}
}
}
......@@ -1236,13 +1347,17 @@ class MysqliDb
* Abstraction method that will build the GROUP BY part of the WHERE statement
*
*/
protected function _buildGroupBy () {
if (empty ($this->_groupBy))
protected function _buildGroupBy()
{
if (empty($this->_groupBy)) {
return;
}
$this->_query .= " GROUP BY ";
foreach ($this->_groupBy as $key => $value)
foreach ($this->_groupBy as $key => $value) {
$this->_query .= $value . ", ";
}
$this->_query = rtrim($this->_query, ', ') . " ";
}
......@@ -1251,19 +1366,22 @@ class MysqliDb
* Abstraction method that will build the LIMIT part of the WHERE statement
*
*/
protected function _buildOrderBy () {
if (empty ($this->_orderBy))
protected function _buildOrderBy()
{
if (empty($this->_orderBy)) {
return;
}
$this->_query .= " ORDER BY ";
foreach ($this->_orderBy as $prop => $value) {
if (strtolower (str_replace (" ", "", $prop)) == 'rand()')
if (strtolower(str_replace(" ", "", $prop)) == 'rand()') {
$this->_query .= "rand(), ";
else
} else {
$this->_query .= $prop . " " . $value . ", ";
}
}
$this->_query = rtrim ($this->_query, ', ') . " ";
$this->_query = rtrim($this->_query, ', ') . " ";
}
/**
......@@ -1272,14 +1390,17 @@ class MysqliDb
* @param integer|array $numRows Array to define SQL limit in format Array ($count, $offset)
* or only $count
*/
protected function _buildLimit ($numRows) {
if (!isset ($numRows))
protected function _buildLimit($numRows)
{
if (!isset($numRows)) {
return;
}
if (is_array ($numRows))
$this->_query .= ' LIMIT ' . (int)$numRows[0] . ', ' . (int)$numRows[1];
else
$this->_query .= ' LIMIT ' . (int)$numRows;
if (is_array($numRows)) {
$this->_query .= ' LIMIT ' . (int) $numRows[0] . ', ' . (int) $numRows[1];
} else {
$this->_query .= ' LIMIT ' . (int) $numRows;
}
}
/**
......@@ -1290,10 +1411,13 @@ class MysqliDb
*/
protected function _prepareQuery()
{
if (!$stmt = $this->mysqli()->prepare($this->_query))
throw new Exception ("Problem preparing query ($this->_query) " . $this->mysqli()->error);
if ($this->traceEnabled)
$this->traceStartQ = microtime (true);
if (!$stmt = $this->mysqli()->prepare($this->_query)) {
throw new Exception("Problem preparing query ($this->_query) " . $this->mysqli()->error);
}
if ($this->traceEnabled) {
$this->traceStartQ = microtime(true);
}
return $stmt;
}
......@@ -1303,8 +1427,10 @@ class MysqliDb
*/
public function __destruct()
{
if ($this->isSubQuery)
if ($this->isSubQuery) {
return;
}
if ($this->_mysqli) {
$this->_mysqli->close();
$this->_mysqli = null;
......@@ -1321,10 +1447,11 @@ class MysqliDb
//Reference in the function arguments are required for HHVM to work
//https://github.com/facebook/hhvm/issues/5155
//Referenced data array is required by mysqli since PHP 5.3+
if (strnatcmp (phpversion(), '5.3') >= 0) {
if (strnatcmp(phpversion(), '5.3') >= 0) {
$refs = array();
foreach ($arr as $key => $value)
foreach ($arr as $key => $value) {
$refs[$key] = & $arr[$key];
}
return $refs;
}
return $arr;
......@@ -1337,21 +1464,25 @@ class MysqliDb
*
* @return string
*/
protected function replacePlaceHolders ($str, $vals) {
protected function replacePlaceHolders($str, $vals)
{
$i = 1;
$newStr = "";
if (empty ($vals))
if (empty($vals)) {
return $str;
}
while ($pos = strpos ($str, "?")) {
while ($pos = strpos($str, "?")) {
$val = $vals[$i++];
if (is_object ($val))
if (is_object($val)) {
$val = '[object]';
if ($val === NULL)
}
if ($val === null) {
$val = 'NULL';
$newStr .= substr ($str, 0, $pos) . "'". $val . "'";
$str = substr ($str, $pos + 1);
}
$newStr .= substr($str, 0, $pos) . "'" . $val . "'";
$str = substr($str, $pos + 1);
}
$newStr .= $str;
return $newStr;
......@@ -1362,7 +1493,8 @@ class MysqliDb
*
* @return string
*/
public function getLastQuery () {
public function getLastQuery()
{
return $this->_lastQuery;
}
......@@ -1371,10 +1503,12 @@ class MysqliDb
*
* @return string
*/
public function getLastError () {
if (!$this->_mysqli)
public function getLastError()
{
if (!$this->_mysqli) {
return "mysqli is null";
return trim ($this->_stmtError . " " . $this->mysqli()->error);
}
return trim($this->_stmtError . " " . $this->mysqli()->error);
}
/**
......@@ -1383,20 +1517,22 @@ class MysqliDb
*
* @return array
*/
public function getSubQuery () {
if (!$this->isSubQuery)
public function getSubQuery()
{
if (!$this->isSubQuery) {
return null;
}
array_shift ($this->_bindParams);
$val = Array ('query' => $this->_query,
'params' => $this->_bindParams,
'alias' => $this->host
);
array_shift($this->_bindParams);
$val = Array('query' => $this->_query,
'params' => $this->_bindParams,
'alias' => $this->host
);
$this->reset();
return $val;
}
/* Helper functions */
/**
* Method returns generated interval function as a string
*
......@@ -1407,24 +1543,36 @@ class MysqliDb
* @param string Initial date
*
* @return string
*/
public function interval ($diff, $func = "NOW()") {
$types = Array ("s" => "second", "m" => "minute", "h" => "hour", "d" => "day", "M" => "month", "Y" => "year");
*/
public function interval($diff, $func = "NOW()")
{
$types = Array("s" => "second", "m" => "minute", "h" => "hour", "d" => "day", "M" => "month", "Y" => "year");
$incr = '+';
$items = '';
$type = 'd';
if ($diff && preg_match('/([+-]?) ?([0-9]+) ?([a-zA-Z]?)/',$diff, $matches)) {
if (!empty ($matches[1])) $incr = $matches[1];
if (!empty ($matches[2])) $items = $matches[2];
if (!empty ($matches[3])) $type = $matches[3];
if (!in_array($type, array_keys($types)))
if ($diff && preg_match('/([+-]?) ?([0-9]+) ?([a-zA-Z]?)/', $diff, $matches)) {
if (!empty($matches[1])) {
$incr = $matches[1];
}
if (!empty($matches[2])) {
$items = $matches[2];
}
if (!empty($matches[3])) {
$type = $matches[3];
}
if (!in_array($type, array_keys($types))) {
throw new Exception("invalid interval type in '{$diff}'");
$func .= " ".$incr ." interval ". $items ." ".$types[$type] . " ";
}
$func .= " " . $incr . " interval " . $items . " " . $types[$type] . " ";
}
return $func;
}
/**
* Method returns generated interval function as an insert/update function
*
......@@ -1435,45 +1583,53 @@ class MysqliDb
* @param string Initial date
*
* @return array
*/
public function now ($diff = null, $func = "NOW()") {
return Array ("[F]" => Array($this->interval($diff, $func)));
*/
public function now($diff = null, $func = "NOW()")
{
return array("[F]" => Array($this->interval($diff, $func)));
}
/**
* Method generates incremental function call
* @param int increment by int or float. 1 by default
* @throws Exception
*/
public function inc($num = 1) {
if(!is_numeric($num))
throw new Exception ('Argument supplied to inc must be a number');
return Array ("[I]" => "+" . $num);
public function inc($num = 1)
{
if (!is_numeric($num)) {
throw new Exception('Argument supplied to inc must be a number');
}
return array("[I]" => "+" . $num);
}
/**
* Method generates decrimental function call
* @param int increment by int or float. 1 by default
*/
public function dec ($num = 1) {
if(!is_numeric($num))
throw new Exception ('Argument supplied to dec must be a number');
return Array ("[I]" => "-" . $num);
public function dec($num = 1)
{
if (!is_numeric($num)) {
throw new Exception('Argument supplied to dec must be a number');
}
return array("[I]" => "-" . $num);
}
/**
* Method generates change boolean function call
* @param string column name. null by default
*/
public function not ($col = null) {
return Array ("[N]" => (string)$col);
public function not($col = null)
{
return array("[N]" => (string) $col);
}
/**
* Method generates user defined function call
* @param string user function body
*/
public function func ($expr, $bindParams = null) {
return Array ("[F]" => Array($expr, $bindParams));
public function func($expr, $bindParams = null)
{
return array("[F]" => Array($expr, $bindParams));
}
/**
......@@ -1481,7 +1637,7 @@ class MysqliDb
*/
public static function subQuery($subQueryAlias = "")
{
return new MysqliDb (Array('host' => $subQueryAlias, 'isSubQuery' => true));
return new self(array('host' => $subQueryAlias, 'isSubQuery' => true));
}
/**
......@@ -1489,9 +1645,9 @@ class MysqliDb
*
* @param object new mysqlidb object
*/
public function copy ()
public function copy()
{
$copy = unserialize (serialize ($this));
$copy = unserialize(serialize($this));
$copy->_mysqli = $this->_mysqli;
return $copy;
}
......@@ -1502,10 +1658,11 @@ class MysqliDb
* @uses mysqli->autocommit(false)
* @uses register_shutdown_function(array($this, "_transaction_shutdown_check"))
*/
public function startTransaction () {
$this->mysqli()->autocommit (false);
public function startTransaction()
{
$this->mysqli()->autocommit(false);
$this->_transaction_in_progress = true;
register_shutdown_function (array ($this, "_transaction_status_check"));
register_shutdown_function(array($this, "_transaction_status_check"));
}
/**
......@@ -1514,10 +1671,11 @@ class MysqliDb
* @uses mysqli->commit();
* @uses mysqli->autocommit(true);
*/
public function commit () {
$this->mysqli()->commit ();
public function commit()
{
$this->mysqli()->commit();
$this->_transaction_in_progress = false;
$this->mysqli()->autocommit (true);
$this->mysqli()->autocommit(true);
}
/**
......@@ -1526,10 +1684,11 @@ class MysqliDb
* @uses mysqli->rollback();
* @uses mysqli->autocommit(true);
*/
public function rollback () {
$this->mysqli()->rollback ();
$this->_transaction_in_progress = false;
$this->mysqli()->autocommit (true);
public function rollback()
{
$this->mysqli()->rollback();
$this->_transaction_in_progress = false;
$this->mysqli()->autocommit(true);
}
/**
......@@ -1538,10 +1697,12 @@ class MysqliDb
*
* @uses mysqli->rollback();
*/
public function _transaction_status_check () {
if (!$this->_transaction_in_progress)
public function _transaction_status_check()
{
if (!$this->_transaction_in_progress) {
return;
$this->rollback ();
}
$this->rollback();
}
/**
......@@ -1549,25 +1710,29 @@ class MysqliDb
*
* @param bool $enabled Enable execution time tracking
* @param string $stripPrefix Prefix to strip from the path in exec log
**/
public function setTrace ($enabled, $stripPrefix = null) {
* */
public function setTrace($enabled, $stripPrefix = null)
{
$this->traceEnabled = $enabled;
$this->traceStripPrefix = $stripPrefix;
return $this;
}
/**
* Get where and what function was called for query stored in MysqliDB->trace
*
* @return string with information
*/
private function _traceGetCaller () {
$dd = debug_backtrace ();
$caller = next ($dd);
while (isset ($caller) && $caller["file"] == __FILE__ )
private function _traceGetCaller()
{
$dd = debug_backtrace();
$caller = next($dd);
while (isset($caller) && $caller["file"] == __FILE__) {
$caller = next($dd);
}
return __CLASS__ . "->" . $caller["function"] . "() >> file \"" .
str_replace ($this->traceStripPrefix, '', $caller["file"] ) . "\" line #" . $caller["line"] . " " ;
str_replace($this->traceStripPrefix, '', $caller["file"]) . "\" line #" . $caller["line"] . " ";
}
/**
......@@ -1577,16 +1742,20 @@ class MysqliDb
*
* @returns boolean True if table exists
*/
public function tableExists ($tables) {
$tables = !is_array ($tables) ? Array ($tables) : $tables;
$count = count ($tables);
if ($count == 0)
public function tableExists($tables)
{
$tables = !is_array($tables) ? Array($tables) : $tables;
$count = count($tables);
if ($count == 0) {
return false;
}
array_walk ($tables, function (&$value, $key) { $value = self::$prefix . $value; });
$this->where ('table_schema', $this->db);
$this->where ('table_name', $tables, 'IN');
$this->get ('information_schema.tables', $count);
array_walk($tables, function (&$value, $key) {
$value = self::$prefix . $value;
});
$this->where('table_schema', $this->db);
$this->where('table_name', $tables, 'IN');
$this->get('information_schema.tables', $count);
return $this->count == $count;
}
......@@ -1597,8 +1766,11 @@ class MysqliDb
*
* @return Array Returns an array($k => $v) if get(.."param1, param2"), array ($k => array ($v, $v)) otherwise
*/
public function map ($idField) {
public function map($idField)
{
$this->_mapKey = $idField;
return $this;
}
} // END class
}
// END class
\ No newline at end of file
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