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Closes a previously opened database connection


MysqlndUhConnection::close

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::closeCloses a previously opened database connection

Description

public bool MysqlndUhConnection::close ( mysqlnd_connection $connection , int $close_type )

Closes a previously opened database connection.

Note:

Failing to call the parent implementation may cause memory leaks or crash PHP. This is not considered a bug. Please, keep in mind that the mysqlnd library functions have never been designed to be exposed to the user space.

Parameters

connection

The connection to be closed. Do not modify!

close_type

Why the connection is to be closed. The value of close_type is one of MYSQLND_UH_MYSQLND_CLOSE_EXPLICIT, MYSQLND_UH_MYSQLND_CLOSE_IMPLICIT, MYSQLND_UH_MYSQLND_CLOSE_DISCONNECTED or MYSQLND_UH_MYSQLND_CLOSE_LAST. The latter should never be seen, unless the default behaviour of the mysqlnd library has been changed by a plugin.

Return Values

Returns TRUE on success. Otherwise, returns FALSE

Examples

Example #1 MysqlndUhConnection::close() example

<?php
function close_type_to_string($close_type) {
 
$mapping = array(
  
MYSQLND_UH_MYSQLND_CLOSE_DISCONNECTED => "MYSQLND_UH_MYSQLND_CLOSE_DISCONNECTED",
  
MYSQLND_UH_MYSQLND_CLOSE_EXPLICIT => "MYSQLND_UH_MYSQLND_CLOSE_EXPLICIT",
  
MYSQLND_UH_MYSQLND_CLOSE_IMPLICIT => "MYSQLND_UH_MYSQLND_CLOSE_IMPLICIT",
  
MYSQLND_UH_MYSQLND_CLOSE_LAST => "MYSQLND_UH_MYSQLND_CLOSE_IMPLICIT"
 
);
 return (isset(
$mapping[$close_type])) ? $mapping[$close_type] : 'unknown';
}

class 
proxy extends MysqlndUhConnection {
  public function 
close($res$close_type) {
   
printf("%s(%s)\n"__METHOD__var_export(func_get_args(), true));
   
printf("close_type = %s\n"close_type_to_string($close_type));
   
/* WARNING: you must call the parent */
   
$ret parent::close($res$close_type);
   
printf("%s returns %s\n"__METHOD__var_export($rettrue));
   return 
$ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$mysqli = new mysqli("localhost""root""""test");
$mysqli->close();
?>

The above example will output:

 proxy::close(array ( 0 => NULL, 1 => 0, )) close_type = MYSQLND_UH_MYSQLND_CLOSE_EXPLICIT proxy::close returns true 

See Also



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