113 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			PHP
		
	
	
<?php
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// $Id$
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// MySQLi specific install functions
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/**
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 * Check if MySQLi is available.
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 *
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 * @return
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 *  TRUE/FALSE
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 */
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function mysqli_is_available() {
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  return function_exists('mysqli_connect');
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}
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/**
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 * Check if we can connect to MySQL.
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 *
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 * @return
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 *  TRUE/FALSE
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 */
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function drupal_test_mysqli($url, &$success) {
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  if (!mysqli_is_available()) {
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    drupal_set_message(st('PHP MySQLi support not enabled.'), 'error');
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    return FALSE;
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  }
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  $url = parse_url($url);
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  // Decode url-encoded information in the db connection string.
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  $url['user'] = urldecode($url['user']);
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  $url['pass'] = isset($url['pass']) ? urldecode($url['pass']) : '';
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  $url['host'] = urldecode($url['host']);
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  $url['path'] = urldecode($url['path']);
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  $connection = mysqli_init();
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  @mysqli_real_connect($connection, $url['host'], $url['user'], $url['pass'], substr($url['path'], 1), $url['port'], NULL, MYSQLI_CLIENT_FOUND_ROWS);
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  if (mysqli_connect_errno() >= 2000 || mysqli_connect_errno() == 1045) {
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    drupal_set_message(st('Failed to connect to your MySQL database server. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct username and password?</li><li>Are you sure that you have typed the correct database hostname?</li><li>Are you sure that the database server is running?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysqli_connect_error())), 'error');
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    return FALSE;
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  }
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  // Test selecting the database.
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  if (mysqli_connect_errno() > 0) {
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    drupal_set_message(st('Failed to select your database on your MySQL database server, which means the connection username and password are valid, but there is a problem accessing your data. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct database name?</li><li>Are you sure the database exists?</li><li>Are you sure the username has permission to access the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysqli_connect_error())), 'error');
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    return FALSE;
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  }
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  $success = array('CONNECT');
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  // Test CREATE.
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  $query = 'CREATE TABLE drupal_install_test (id int NULL)';
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  $result = mysqli_query($connection, $query);
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  if ($error = mysqli_error($connection)) {
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    drupal_set_message(st('Failed to create a test table on your MySQL database server with the command %query. MySQL reports the following message: %error.<ul><li>Are you sure the configured username has the necessary MySQL permissions to create tables in the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%query' => $query, '%error' => $error)), 'error');
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    return FALSE;
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  }
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  $err = FALSE;
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  $success[] = 'SELECT';
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  $success[] = 'CREATE';
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  // Test INSERT.
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  $query = 'INSERT INTO drupal_install_test (id) VALUES (1)';
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  $result = mysqli_query($connection, $query);
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  if ($error = mysqli_error($connection)) {
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    drupal_set_message(st('Failed to insert a value into a test table on your MySQL database server. We tried inserting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error');
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    $err = TRUE;
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  }
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  else {
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    $success[] = 'INSERT';
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  }
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  // Test UPDATE.
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  $query = 'UPDATE drupal_install_test SET id = 2';
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  $result = mysqli_query($connection, $query);
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  if ($error = mysqli_error($connection)) {
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    drupal_set_message(st('Failed to update a value in a test table on your MySQL database server. We tried updating a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error');
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    $err = TRUE;
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  }
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  else {
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    $success[] = 'UPDATE';
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  }
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  // Test DELETE.
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  $query = 'DELETE FROM drupal_install_test';
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  $result = mysqli_query($connection, $query);
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  if ($error = mysqli_error($connection)) {
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    drupal_set_message(st('Failed to delete a value from a test table on your MySQL database server. We tried deleting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error');
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    $err = TRUE;
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  }
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  else {
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    $success[] = 'DELETE';
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  }
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  // Test DROP.
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  $query = 'DROP TABLE drupal_install_test';
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  $result = mysqli_query($connection, $query);
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  if ($error = mysqli_error($connection)) {
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    drupal_set_message(st('Failed to drop a test table from your MySQL database server. We tried dropping a table with the command %query and MySQL reported the following error %error.', array('%query' => $query, '%error' => $error)), 'error');
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    $err = TRUE;
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  }
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  else {
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    $success[] = 'DROP';
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  }
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  if ($err) {
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    return FALSE;
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  }
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  mysqli_close($connection);
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  return TRUE;
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}
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