* @var array
*/
var $tables = array( 'posts', 'comments', 'links', 'options', 'postmeta',
- 'terms', 'term_taxonomy', 'term_relationships', 'commentmeta' );
+ 'terms', 'term_taxonomy', 'term_relationships', 'termmeta', 'commentmeta' );
/**
* List of deprecated WordPress tables
*/
public $term_taxonomy;
- /*
- * Global and Multisite tables
+ /**
+ * WordPress Term Meta table.
+ *
+ * @since 4.4.0
+ * @access public
+ * @var string
*/
+ public $termmeta;
+
+ //
+ // Global and Multisite tables
+ //
/**
* WordPress User Metadata table
*/
$incompatible_modes = (array) apply_filters( 'incompatible_sql_modes', $this->incompatible_modes );
- foreach( $modes as $i => $mode ) {
+ foreach ( $modes as $i => $mode ) {
if ( in_array( $mode, $incompatible_modes ) ) {
unset( $modes[ $i ] );
}
$dbh = $this->dbh;
if ( $this->use_mysqli ) {
- $success = @mysqli_select_db( $dbh, $db );
+ $success = mysqli_select_db( $dbh, $db );
} else {
- $success = @mysql_select_db( $db, $dbh );
+ $success = mysql_select_db( $db, $dbh );
}
if ( ! $success ) {
$this->ready = false;
if ( ! did_action( 'template_redirect' ) ) {
wp_load_translations_early();
- $this->bail( sprintf( __( '<h1>Can’t select database</h1>
-<p>We were able to connect to the database server (which means your username and password is okay) but not able to select the <code>%1$s</code> database.</p>
-<ul>
-<li>Are you sure it exists?</li>
-<li>Does the user <code>%2$s</code> have permission to use the <code>%1$s</code> database?</li>
-<li>On some systems the name of your database is prefixed with your username, so it would be like <code>username_%1$s</code>. Could that be the problem?</li>
-</ul>
-<p>If you don\'t know how to set up a database you should <strong>contact your host</strong>. If all else fails you may find help at the <a href="https://wordpress.org/support/">WordPress Support Forums</a>.</p>' ), htmlspecialchars( $db, ENT_QUOTES ), htmlspecialchars( $this->dbuser, ENT_QUOTES ) ), 'db_select_fail' );
+
+ $message = '<h1>' . __( 'Can’t select database' ) . "</h1>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: %s: database name */
+ __( 'We were able to connect to the database server (which means your username and password is okay) but not able to select the %s database.' ),
+ '<code>' . htmlspecialchars( $db, ENT_QUOTES ) . '</code>'
+ ) . "</p>\n";
+
+ $message .= "<ul>\n";
+ $message .= '<li>' . __( 'Are you sure it exists?' ) . "</li>\n";
+
+ $message .= '<li>' . sprintf(
+ /* translators: 1: database user, 2: database name */
+ __( 'Does the user %1$s have permission to use the %2$s database?' ),
+ '<code>' . htmlspecialchars( $this->dbuser, ENT_QUOTES ) . '</code>',
+ '<code>' . htmlspecialchars( $db, ENT_QUOTES ) . '</code>'
+ ) . "</li>\n";
+
+ $message .= '<li>' . sprintf(
+ /* translators: %s: database name */
+ __( 'On some systems the name of your database is prefixed with your username, so it would be like <code>username_%1$s</code>. Could that be the problem?' ),
+ htmlspecialchars( $db, ENT_QUOTES )
+ ). "</li>\n";
+
+ $message .= "</ul>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: %s: support forums URL */
+ __( 'If you don’t know how to set up a database you should <strong>contact your host</strong>. If all else fails you may find help at the <a href="%s">WordPress Support Forums</a>.' ),
+ __( 'https://wordpress.org/support/' )
+ ) . "</p>\n";
+
+ $this->bail( $message, 'db_select_fail' );
}
}
}
* Use esc_sql() or wpdb::prepare() instead.
*
* @since 2.8.0
- * @deprecated 3.6.0
+ * @deprecated 3.6.0 Use wpdb::prepare()
* @see wpdb::prepare
* @see esc_sql()
* @access private
$class = get_class( $this );
if ( function_exists( '__' ) ) {
+ /* translators: %s: database access abstraction class, usually wpdb or a class extending wpdb */
_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), E_USER_NOTICE );
} else {
_doing_it_wrong( $class, sprintf( '%s must set a database connection for use with escaping.', $class ), E_USER_NOTICE );
* Use esc_sql() or wpdb::prepare() instead.
*
* @since 0.71
- * @deprecated 3.6.0
+ * @deprecated 3.6.0 Use wpdb::prepare()
* @see wpdb::prepare()
* @see esc_sql()
*
* Use this only before wpdb::prepare() or esc_sql(). Reversing the order is very bad for security.
*
* Example Prepared Statement:
- * $wild = '%';
- * $find = 'only 43% of planets';
- * $like = $wild . $wpdb->esc_like( $find ) . $wild;
- * $sql = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_content LIKE %s", $like );
+ *
+ * $wild = '%';
+ * $find = 'only 43% of planets';
+ * $like = $wild . $wpdb->esc_like( $find ) . $wild;
+ * $sql = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_content LIKE '%s'", $like );
*
* Example Escape Chain:
- * $sql = esc_sql( $wpdb->esc_like( $input ) );
+ *
+ * $sql = esc_sql( $wpdb->esc_like( $input ) );
*
* @since 4.0.0
* @access public
if ( $attempt_fallback ) {
$this->use_mysqli = false;
- $this->db_connect();
+ return $this->db_connect( $allow_bail );
}
}
} else {
die();
}
- $this->bail( sprintf( __( "
-<h1>Error establishing a database connection</h1>
-<p>This either means that the username and password information in your <code>wp-config.php</code> file is incorrect or we can't contact the database server at <code>%s</code>. This could mean your host's database server is down.</p>
-<ul>
- <li>Are you sure you have the correct username and password?</li>
- <li>Are you sure that you have typed the correct hostname?</li>
- <li>Are you sure that the database server is running?</li>
-</ul>
-<p>If you're unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href='https://wordpress.org/support/'>WordPress Support Forums</a>.</p>
-" ), htmlspecialchars( $this->dbhost, ENT_QUOTES ) ), 'db_connect_fail' );
+ $message = '<h1>' . __( 'Error establishing a database connection' ) . "</h1>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: 1: wp-config.php. 2: database host */
+ __( 'This either means that the username and password information in your %1$s file is incorrect or we can’t contact the database server at %2$s. This could mean your host’s database server is down.' ),
+ '<code>wp-config.php</code>',
+ '<code>' . htmlspecialchars( $this->dbhost, ENT_QUOTES ) . '</code>'
+ ) . "</p>\n";
+
+ $message .= "<ul>\n";
+ $message .= '<li>' . __( 'Are you sure you have the correct username and password?' ) . "</li>\n";
+ $message .= '<li>' . __( 'Are you sure that you have typed the correct hostname?' ) . "</li>\n";
+ $message .= '<li>' . __( 'Are you sure that the database server is running?' ) . "</li>\n";
+ $message .= "</ul>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: %s: support forums URL */
+ __( 'If you’re unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href="%s">WordPress Support Forums</a>.' ),
+ __( 'https://wordpress.org/support/' )
+ ) . "</p>\n";
+
+ $this->bail( $message, 'db_connect_fail' );
return false;
} elseif ( $this->dbh ) {
*/
public function check_connection( $allow_bail = true ) {
if ( $this->use_mysqli ) {
- if ( @mysqli_ping( $this->dbh ) ) {
+ if ( ! empty( $this->dbh ) && mysqli_ping( $this->dbh ) ) {
return true;
}
} else {
- if ( @mysql_ping( $this->dbh ) ) {
+ if ( ! empty( $this->dbh ) && mysql_ping( $this->dbh ) ) {
return true;
}
}
return false;
}
+ wp_load_translations_early();
+
+ $message = '<h1>' . __( 'Error reconnecting to the database' ) . "</h1>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: %s: database host */
+ __( 'This means that we lost contact with the database server at %s. This could mean your host’s database server is down.' ),
+ '<code>' . htmlspecialchars( $this->dbhost, ENT_QUOTES ) . '</code>'
+ ) . "</p>\n";
+
+ $message .= "<ul>\n";
+ $message .= '<li>' . __( 'Are you sure that the database server is running?' ) . "</li>\n";
+ $message .= '<li>' . __( 'Are you sure that the database server is not under particularly heavy load?' ) . "</li>\n";
+ $message .= "</ul>\n";
+
+ $message .= '<p>' . sprintf(
+ /* translators: %s: support forums URL */
+ __( 'If you’re unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href="%s">WordPress Support Forums</a>.' ),
+ __( 'https://wordpress.org/support/' )
+ ) . "</p>\n";
+
// We weren't able to reconnect, so we better bail.
- $this->bail( sprintf( ( "
-<h1>Error reconnecting to the database</h1>
-<p>This means that we lost contact with the database server at <code>%s</code>. This could mean your host's database server is down.</p>
-<ul>
- <li>Are you sure that the database server is running?</li>
- <li>Are you sure that the database server is not under particularly heavy load?</li>
-</ul>
-<p>If you're unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href='https://wordpress.org/support/'>WordPress Support Forums</a>.</p>
-" ), htmlspecialchars( $this->dbhost, ENT_QUOTES ) ), 'db_connect_fail' );
+ $this->bail( $message, 'db_connect_fail' );
// Call dead_db() if bail didn't die, because this database is no more. It has ceased to be (at least temporarily).
dead_db();
} else {
$num_rows = 0;
if ( $this->use_mysqli && $this->result instanceof mysqli_result ) {
- while ( $row = @mysqli_fetch_object( $this->result ) ) {
+ while ( $row = mysqli_fetch_object( $this->result ) ) {
$this->last_result[$num_rows] = $row;
$num_rows++;
}
} elseif ( is_resource( $this->result ) ) {
- while ( $row = @mysql_fetch_object( $this->result ) ) {
+ while ( $row = mysql_fetch_object( $this->result ) ) {
$this->last_result[$num_rows] = $row;
$num_rows++;
}
$this->timer_start();
}
- if ( $this->use_mysqli ) {
- $this->result = @mysqli_query( $this->dbh, $query );
- } else {
- $this->result = @mysql_query( $query, $this->dbh );
+ if ( ! empty( $this->dbh ) && $this->use_mysqli ) {
+ $this->result = mysqli_query( $this->dbh, $query );
+ } elseif ( ! empty( $this->dbh ) ) {
+ $this->result = mysql_query( $query, $this->dbh );
}
$this->num_queries++;
* @param string $table Table name
* @param array $data Data to insert (in column => value pairs).
* Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+ * Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
* @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
* If string, that format will be used for all of the values in $data.
* A format is one of '%d', '%f', '%s' (integer, float, string).
* @param string $table Table name
* @param array $data Data to insert (in column => value pairs).
* Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+ * Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
* @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
* If string, that format will be used for all of the values in $data.
* A format is one of '%d', '%f', '%s' (integer, float, string).
* @param string $table Table name
* @param array $data Data to insert (in column => value pairs).
* Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+ * Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
* @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
* If string, that format will be used for all of the values in $data.
* A format is one of '%d', '%f', '%s' (integer, float, string).
$formats = $values = array();
foreach ( $data as $value ) {
+ if ( is_null( $value['value'] ) ) {
+ $formats[] = 'NULL';
+ continue;
+ }
+
$formats[] = $value['format'];
$values[] = $value['value'];
}
* @param string $table Table name
* @param array $data Data to update (in column => value pairs).
* Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+ * Sending a null value will cause the column to be set to NULL - the corresponding
+ * format is ignored in this case.
* @param array $where A named array of WHERE clauses (in column => value pairs).
* Multiple clauses will be joined with ANDs.
* Both $where columns and $where values should be "raw".
+ * Sending a null value will create an IS NULL comparison - the corresponding format will be ignored in this case.
* @param array|string $format Optional. An array of formats to be mapped to each of the values in $data.
* If string, that format will be used for all of the values in $data.
* A format is one of '%d', '%f', '%s' (integer, float, string).
$fields = $conditions = $values = array();
foreach ( $data as $field => $value ) {
+ if ( is_null( $value['value'] ) ) {
+ $fields[] = "`$field` = NULL";
+ continue;
+ }
+
$fields[] = "`$field` = " . $value['format'];
$values[] = $value['value'];
}
foreach ( $where as $field => $value ) {
+ if ( is_null( $value['value'] ) ) {
+ $conditions[] = "`$field` IS NULL";
+ continue;
+ }
+
$conditions[] = "`$field` = " . $value['format'];
$values[] = $value['value'];
}
* @param array $where A named array of WHERE clauses (in column => value pairs).
* Multiple clauses will be joined with ANDs.
* Both $where columns and $where values should be "raw".
+ * Sending a null value will create an IS NULL comparison - the corresponding format will be ignored in this case.
* @param array|string $where_format Optional. An array of formats to be mapped to each of the values in $where.
* If string, that format will be used for all of the items in $where.
* A format is one of '%d', '%f', '%s' (integer, float, string).
$conditions = $values = array();
foreach ( $where as $field => $value ) {
+ if ( is_null( $value['value'] ) ) {
+ $conditions[] = "`$field` IS NULL";
+ continue;
+ }
+
$conditions[] = "`$field` = " . $value['format'];
$values[] = $value['value'];
}
protected function process_field_charsets( $data, $table ) {
foreach ( $data as $field => $value ) {
if ( '%d' === $value['format'] || '%f' === $value['format'] ) {
- // We can skip this field if we know it isn't a string.
- // This checks %d/%f versus ! %s because it's sprintf() could take more.
+ /*
+ * We can skip this field if we know it isn't a string.
+ * This checks %d/%f versus ! %s because its sprintf() could take more.
+ */
$value['charset'] = false;
} else {
$value['charset'] = $this->get_col_charset( $table, $field );
protected function process_field_lengths( $data, $table ) {
foreach ( $data as $field => $value ) {
if ( '%d' === $value['format'] || '%f' === $value['format'] ) {
- // We can skip this field if we know it isn't a string.
- // This checks %d/%f versus ! %s because it's sprintf() could take more.
+ /*
+ * We can skip this field if we know it isn't a string.
+ * This checks %d/%f versus ! %s because its sprintf() could take more.
+ */
$value['length'] = false;
} else {
$value['length'] = $this->get_col_length( $table, $field );
} elseif ( $output == ARRAY_A || $output == ARRAY_N ) {
// Return an integer-keyed array of...
if ( $this->last_result ) {
- foreach( (array) $this->last_result as $row ) {
+ foreach ( (array) $this->last_result as $row ) {
if ( $output == ARRAY_N ) {
// ...integer-keyed row arrays
$new_array[] = array_values( get_object_vars( $row ) );
}
// Skip this entirely if this isn't a MySQL database.
- if ( false === $this->is_mysql ) {
+ if ( empty( $this->is_mysql ) ) {
return false;
}
$columnkey = strtolower( $column );
// Skip this entirely if this isn't a MySQL database.
- if ( false === $this->is_mysql ) {
+ if ( empty( $this->is_mysql ) ) {
return false;
}
'type' => 'char',
'length' => (int) $length,
);
- break;
+
case 'binary':
case 'varbinary':
return array(
'type' => 'byte',
'length' => (int) $length,
);
- break;
+
case 'tinyblob':
case 'tinytext':
return array(
'type' => 'byte',
'length' => 255, // 2^8 - 1
);
- break;
+
case 'blob':
case 'text':
return array(
'type' => 'byte',
'length' => 65535, // 2^16 - 1
);
- break;
+
case 'mediumblob':
case 'mediumtext':
return array(
'type' => 'byte',
'length' => 16777215, // 2^24 - 1
);
- break;
+
case 'longblob':
case 'longtext':
return array(
'type' => 'byte',
'length' => 4294967295, // 2^32 - 1
);
- break;
+
default:
return false;
}
-
- return false;
}
/**
}
// If any of the columns don't have one of these collations, it needs more sanity checking.
- foreach( $this->col_meta[ $table ] as $col ) {
+ foreach ( $this->col_meta[ $table ] as $col ) {
if ( empty( $col->Collation ) ) {
continue;
}
$charset = $value['charset'];
}
+ if ( $this->charset ) {
+ $connection_charset = $this->charset;
+ } else {
+ if ( $this->use_mysqli ) {
+ $connection_charset = mysqli_character_set_name( $this->dbh );
+ } else {
+ $connection_charset = mysql_client_encoding();
+ }
+ }
+
if ( is_array( $value['length'] ) ) {
- $queries[ $col ] = $this->prepare( "CONVERT( LEFT( CONVERT( %s USING $charset ), %.0f ) USING {$this->charset} )", $value['value'], $value['length']['length'] );
+ $queries[ $col ] = $this->prepare( "CONVERT( LEFT( CONVERT( %s USING $charset ), %.0f ) USING $connection_charset )", $value['value'], $value['length']['length'] );
} else if ( 'binary' !== $charset ) {
// If we don't have a length, there's no need to convert binary - it will always return the same result.
- $queries[ $col ] = $this->prepare( "CONVERT( CONVERT( %s USING $charset ) USING {$this->charset} )", $value['value'] );
+ $queries[ $col ] = $this->prepare( "CONVERT( CONVERT( %s USING $charset ) USING $connection_charset )", $value['value'] );
}
unset( $data[ $col ]['db'] );
. '|REPLACE(?:\s+LOW_PRIORITY|\s+DELAYED)?(?:\s+INTO)?'
. '|UPDATE(?:\s+LOW_PRIORITY)?(?:\s+IGNORE)?'
. '|DELETE(?:\s+LOW_PRIORITY|\s+QUICK|\s+IGNORE)*(?:\s+FROM)?'
- . ')\s+((?:[0-9a-zA-Z$_.`]|[\xC2-\xDF][\x80-\xBF])+)/is', $query, $maybe ) ) {
+ . ')\s+((?:[0-9a-zA-Z$_.`-]|[\xC2-\xDF][\x80-\xBF])+)/is', $query, $maybe ) ) {
return str_replace( '`', '', $maybe[1] );
}
if ( preg_match( '/^\s*(?:'
. 'SHOW\s+TABLE\s+STATUS.+(?:LIKE\s+|WHERE\s+Name\s*=\s*)'
. '|SHOW\s+(?:FULL\s+)?TABLES.+(?:LIKE\s+|WHERE\s+Name\s*=\s*)'
- . ')\W((?:[0-9a-zA-Z$_.`]|[\xC2-\xDF][\x80-\xBF])+)\W/is', $query, $maybe ) ) {
+ . ')\W((?:[0-9a-zA-Z$_.`-]|[\xC2-\xDF][\x80-\xBF])+)\W/is', $query, $maybe ) ) {
return str_replace( '`', '', $maybe[1] );
}
. '|LOAD\s+DATA.*INFILE.*INTO\s+TABLE'
. '|(?:GRANT|REVOKE).*ON\s+TABLE'
. '|SHOW\s+(?:.*FROM|.*TABLE)'
- . ')\s+\(*\s*((?:[0-9a-zA-Z$_.`]|[\xC2-\xDF][\x80-\xBF])+)\s*\)*/is', $query, $maybe ) ) {
+ . ')\s+\(*\s*((?:[0-9a-zA-Z$_.`-]|[\xC2-\xDF][\x80-\xBF])+)\s*\)*/is', $query, $maybe ) ) {
return str_replace( '`', '', $maybe[1] );
}
return;
if ( $this->use_mysqli ) {
- $num_fields = @mysqli_num_fields( $this->result );
+ $num_fields = mysqli_num_fields( $this->result );
for ( $i = 0; $i < $num_fields; $i++ ) {
- $this->col_info[ $i ] = @mysqli_fetch_field( $this->result );
+ $this->col_info[ $i ] = mysqli_fetch_field( $this->result );
}
} else {
- $num_fields = @mysql_num_fields( $this->result );
+ $num_fields = mysql_num_fields( $this->result );
for ( $i = 0; $i < $num_fields; $i++ ) {
- $this->col_info[ $i ] = @mysql_fetch_field( $this->result, $i );
+ $this->col_info[ $i ] = mysql_fetch_field( $this->result, $i );
}
}
}
if ( $col_offset == -1 ) {
$i = 0;
$new_array = array();
- foreach( (array) $this->col_info as $col ) {
+ foreach ( (array) $this->col_info as $col ) {
$new_array[$i] = $col->{$info_type};
$i++;
}
*/
public function bail( $message, $error_code = '500' ) {
if ( !$this->show_errors ) {
- if ( class_exists( 'WP_Error' ) )
+ if ( class_exists( 'WP_Error', false ) ) {
$this->error = new WP_Error($error_code, $message);
- else
+ } else {
$this->error = $message;
+ }
return false;
}
wp_die($message);
}
+
+ /**
+ * Closes the current database connection.
+ *
+ * @since 4.5.0
+ * @access public
+ *
+ * @return bool True if the connection was successfully closed, false if it wasn't,
+ * or the connection doesn't exist.
+ */
+ public function close() {
+ if ( ! $this->dbh ) {
+ return false;
+ }
+
+ if ( $this->use_mysqli ) {
+ $closed = mysqli_close( $this->dbh );
+ } else {
+ $closed = mysql_close( $this->dbh );
+ }
+
+ if ( $closed ) {
+ $this->dbh = null;
+ $this->ready = false;
+ $this->has_connected = false;
+ }
+
+ return $closed;
+ }
+
/**
* Whether MySQL database is at least the required minimum version.
*
*
* Called when WordPress is generating the table scheme.
*
+ * Use `wpdb::has_cap( 'collation' )`.
+ *
* @since 2.5.0
- * @deprecated 3.5.0
- * @deprecated Use wpdb::has_cap( 'collation' )
+ * @deprecated 3.5.0 Use wpdb::has_cap()
*
* @return bool True if collation is supported, false if version does not
*/
}
/**
- * The database version number.
+ * Retrieves the MySQL server version.
*
* @since 2.7.0
*
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff