smart-mysql
Code (php)
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<?php
$config = array( );
$config[ 'mysql_use_persistent' ] = false; //Gebruik een persistentie connectie (true) of niet (false)
$config[ 'mysql_server' ] = 'localhost'; //De server waar mysql op draait (meestal 'localhost')
$config[ 'mysql_user' ] = 'root'; //De mysql gebruikersnaam
$config[ 'mysql_password' ] = ''; //Je mysql wachtwoord
$config[ 'mysql_standard_database' ] = 'databasestandaard'; //Als je zelf geen database opgeeft gebruik dan deze
$config[ 'mysql_use_ansi_mode' ] = true; //Veiliger MYSQL'en in ANSI mode
$config[ 'mysql_display_errors' ] = true; //Toon foutmeldingen van mysql zelf
$config[ 'auto_retrieve_result' ] = true; //Automatisch resultaat ophalen en returnen
$config[ 'auto_mysql_free_result' ] = true; //Leegt automatisch het resultaat wanneer je het resultaat automatisch op laat halen
$config[ 'auto_gather_stats' ] = true; //Verzamel automatisch statistieken, zoals de query tijd en aantal opgehaalde resultaten wanneer het resultaat automatisch wordt opgehaald
define( 'ERROR_CONNECTION_FAILED' , 'Het maken van een verbinding met de mysql server is mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
define( 'ERROR_SELECTDB_FAILED' , 'Het selecteren van de juiste database mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
define( 'ERROR_DOQUERY_FAILED' , 'Het uitvoeren van de mysql query mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
class mysqlconnector{
private $connection_identifier;
private $active_database;
private $query_result;
public $time;
private $query;
public $total_queries;
public $total_time;
public function __construct( )
{
GLOBAL $config;
if( $config[ 'mysql_use_persistent' ] == true )
{
if( ! $this->connection_identifier = mysql_pconnect( $config[ 'mysql_server' ] , $config[ 'mysql_user' ] , $config[ 'mysql_password' ] ) )
{
trigger_error( ERROR_CONNECTION_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
}
}
else
{
if( ! $this->connection_identifier = mysql_connect( $config[ 'mysql_server' ] , $config[ 'mysql_user' ] , $config[ 'mysql_password' ] ) )
{
trigger_error( ERROR_CONNECTION_FAILED . ( $config[ 'mysql_mysql_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
}
}
}
public function mysql( $query , $database = '' )
{
GLOBAL $config;
$this->total_queries += 1;
$this->time = microtime( );
if( $database == '' )
{
$database = $config[ 'mysql_standard_database' ];
}
if( $config[ 'mysql_use_ansi_mode' ] == true )
{
mysql_query( "SET SESSION sql_mode = 'ANSI,ONLY_FULL_GROUP_BY'" , $this->connection_identifier );
}
if( $this->select_database( $database ) )
{
return $this->execute_query( $query );
}
else
{
return false;
}
}
private function select_database( $database )
{
GLOBAL $config;
if( $database != $this->active_database )
{
if( ! mysql_select_db( $database , $this->connection_identifier ) )
{
trigger_error( ERROR_SELECTDB_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
return false;
}
else
{
return true;
}
}
return true;
}
private function execute_query( $query )
{
GLOBAL $config;
$this->query = $query;
if( $this->query_result = mysql_query( $query , $this->connection_identifier ) )
{
$this->total_time += microtime( ) - $this->time;
$this->time = microtime( ) - $this->time;
if( $config[ 'auto_retrieve_result' ] == true )
{
return $this->retrieve_result( );
}
else
{
return $this->query_result;
}
}
else
{
trigger_error( ERROR_DOQUERY_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
return false;
}
}
private function retrieve_result( )
{
GLOBAL $config;
if( substr( strtoupper( $this->query ) , 0 , 6 ) == "SELECT" || substr( strtoupper( $this->query ) , 0 , 4 ) == "SHOW" ||
substr( strtoupper( $this->query ) , 0 , 7 ) == "EXPLAIN" || substr( strtoupper( $this->query ) , 0 , 8 ) == "DESCRIBE" )
{
$db_result = array( );
$db_result[ 0 ] = ( $config[ 'auto_gather_stats' ] == true ) ? $this->gather_stats( ) : '';
$db_num_fields = @mysql_num_fields( $this->query_result );
$i = 1;
while( $content = mysql_fetch_array( $this->query_result , MYSQL_ASSOC ) )
{
for( $j = 0; $j < $db_num_fields; $j++ )
{
$db_result[ $i ][ mysql_field_name( $this->query_result , $j ) ] = $content[ mysql_field_name( $this->query_result , $j ) ];
}
$i++;
}
if( $config[ 'auto_mysql_free_result' ] == true )
{
@mysql_free_result( $this->query_result );
}
return $db_result;
}
return '';
}
public function gather_stats( )
{
$stats = array( );
if( substr( strtoupper( $this->query ) , 0 , 5 ) == "SELECT" || substr( strtoupper( $this->query ) , 0 , 3 ) == "SHOW" ||
substr( strtoupper( $this->query ) , 0 , 6 ) == "EXPLAIN" || substr( strtoupper( $this->query ) , 0 , 7 ) == "DESCRIBE" )
{
$stats[ 'number' ] = @mysql_num_rows( $this->query_result );
}
else
{
$stats[ 'number' ] = @mysql_affected_rows( $this->connection_identifier );
}
$stats[ 'time' ] = $this->time;
$stats[ 'server' ] = mysql_stat( );
$stats[ 'id' ] = ( substr( strtoupper( $this->query ) , 0 , 1 ) == "I" ) ? mysql_insert_id( ) : 0;
$stats[ 'info' ] = @mysql_info( );
return $stats;
}
public function __destruct( )
{
mysql_close( $this->connection_identifier );
}
}
$mysql = new mysqlconnector( );
?>
$config = array( );
$config[ 'mysql_use_persistent' ] = false; //Gebruik een persistentie connectie (true) of niet (false)
$config[ 'mysql_server' ] = 'localhost'; //De server waar mysql op draait (meestal 'localhost')
$config[ 'mysql_user' ] = 'root'; //De mysql gebruikersnaam
$config[ 'mysql_password' ] = ''; //Je mysql wachtwoord
$config[ 'mysql_standard_database' ] = 'databasestandaard'; //Als je zelf geen database opgeeft gebruik dan deze
$config[ 'mysql_use_ansi_mode' ] = true; //Veiliger MYSQL'en in ANSI mode
$config[ 'mysql_display_errors' ] = true; //Toon foutmeldingen van mysql zelf
$config[ 'auto_retrieve_result' ] = true; //Automatisch resultaat ophalen en returnen
$config[ 'auto_mysql_free_result' ] = true; //Leegt automatisch het resultaat wanneer je het resultaat automatisch op laat halen
$config[ 'auto_gather_stats' ] = true; //Verzamel automatisch statistieken, zoals de query tijd en aantal opgehaalde resultaten wanneer het resultaat automatisch wordt opgehaald
define( 'ERROR_CONNECTION_FAILED' , 'Het maken van een verbinding met de mysql server is mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
define( 'ERROR_SELECTDB_FAILED' , 'Het selecteren van de juiste database mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
define( 'ERROR_DOQUERY_FAILED' , 'Het uitvoeren van de mysql query mislukt.' . ( $config[ 'mysql_display_errors' ] == true ) ? ' Mysql retourneerde: ' : '' );
class mysqlconnector{
private $connection_identifier;
private $active_database;
private $query_result;
public $time;
private $query;
public $total_queries;
public $total_time;
public function __construct( )
{
GLOBAL $config;
if( $config[ 'mysql_use_persistent' ] == true )
{
if( ! $this->connection_identifier = mysql_pconnect( $config[ 'mysql_server' ] , $config[ 'mysql_user' ] , $config[ 'mysql_password' ] ) )
{
trigger_error( ERROR_CONNECTION_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
}
}
else
{
if( ! $this->connection_identifier = mysql_connect( $config[ 'mysql_server' ] , $config[ 'mysql_user' ] , $config[ 'mysql_password' ] ) )
{
trigger_error( ERROR_CONNECTION_FAILED . ( $config[ 'mysql_mysql_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
}
}
}
public function mysql( $query , $database = '' )
{
GLOBAL $config;
$this->total_queries += 1;
$this->time = microtime( );
if( $database == '' )
{
$database = $config[ 'mysql_standard_database' ];
}
if( $config[ 'mysql_use_ansi_mode' ] == true )
{
mysql_query( "SET SESSION sql_mode = 'ANSI,ONLY_FULL_GROUP_BY'" , $this->connection_identifier );
}
if( $this->select_database( $database ) )
{
return $this->execute_query( $query );
}
else
{
return false;
}
}
private function select_database( $database )
{
GLOBAL $config;
if( $database != $this->active_database )
{
if( ! mysql_select_db( $database , $this->connection_identifier ) )
{
trigger_error( ERROR_SELECTDB_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
return false;
}
else
{
return true;
}
}
return true;
}
private function execute_query( $query )
{
GLOBAL $config;
$this->query = $query;
if( $this->query_result = mysql_query( $query , $this->connection_identifier ) )
{
$this->total_time += microtime( ) - $this->time;
$this->time = microtime( ) - $this->time;
if( $config[ 'auto_retrieve_result' ] == true )
{
return $this->retrieve_result( );
}
else
{
return $this->query_result;
}
}
else
{
trigger_error( ERROR_DOQUERY_FAILED . ( $config[ 'mysql_display_errors' ] == true ) ? mysql_errno( ) . ': ' . mysql_error( ) : '' );
return false;
}
}
private function retrieve_result( )
{
GLOBAL $config;
if( substr( strtoupper( $this->query ) , 0 , 6 ) == "SELECT" || substr( strtoupper( $this->query ) , 0 , 4 ) == "SHOW" ||
substr( strtoupper( $this->query ) , 0 , 7 ) == "EXPLAIN" || substr( strtoupper( $this->query ) , 0 , 8 ) == "DESCRIBE" )
{
$db_result = array( );
$db_result[ 0 ] = ( $config[ 'auto_gather_stats' ] == true ) ? $this->gather_stats( ) : '';
$db_num_fields = @mysql_num_fields( $this->query_result );
$i = 1;
while( $content = mysql_fetch_array( $this->query_result , MYSQL_ASSOC ) )
{
for( $j = 0; $j < $db_num_fields; $j++ )
{
$db_result[ $i ][ mysql_field_name( $this->query_result , $j ) ] = $content[ mysql_field_name( $this->query_result , $j ) ];
}
$i++;
}
if( $config[ 'auto_mysql_free_result' ] == true )
{
@mysql_free_result( $this->query_result );
}
return $db_result;
}
return '';
}
public function gather_stats( )
{
$stats = array( );
if( substr( strtoupper( $this->query ) , 0 , 5 ) == "SELECT" || substr( strtoupper( $this->query ) , 0 , 3 ) == "SHOW" ||
substr( strtoupper( $this->query ) , 0 , 6 ) == "EXPLAIN" || substr( strtoupper( $this->query ) , 0 , 7 ) == "DESCRIBE" )
{
$stats[ 'number' ] = @mysql_num_rows( $this->query_result );
}
else
{
$stats[ 'number' ] = @mysql_affected_rows( $this->connection_identifier );
}
$stats[ 'time' ] = $this->time;
$stats[ 'server' ] = mysql_stat( );
$stats[ 'id' ] = ( substr( strtoupper( $this->query ) , 0 , 1 ) == "I" ) ? mysql_insert_id( ) : 0;
$stats[ 'info' ] = @mysql_info( );
return $stats;
}
public function __destruct( )
{
mysql_close( $this->connection_identifier );
}
}
$mysql = new mysqlconnector( );
?>