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444 lines
12 KiB
PHTML
444 lines
12 KiB
PHTML
4 years ago
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<?php
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namespace Safe;
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use Safe\Exceptions\MsqlException;
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/**
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* Returns number of affected rows by the last SELECT, UPDATE or DELETE
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* query associated with result.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @return int Returns the number of affected rows on success.
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* @throws MsqlException
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*
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*/
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function msql_affected_rows($result): int
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{
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error_clear_last();
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$result = \msql_affected_rows($result);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_close closes the non-persistent connection to
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* the mSQL server that's associated with the specified link identifier.
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*
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* Using msql_close isn't usually necessary, as
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* non-persistent open links are automatically closed at the end of the
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* script's execution. See also freeing resources.
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*
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* @param resource|null $link_identifier The mSQL connection.
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* If not specified, the last link opened by msql_connect
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* is assumed. If no such link is found, the function will try to establish a
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* link as if msql_connect was called, and use it.
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* @throws MsqlException
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*
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*/
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function msql_close($link_identifier = null): void
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_close($link_identifier);
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} else {
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$result = \msql_close();
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* msql_connect establishes a connection to a mSQL
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* server.
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*
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* If a second call is made to msql_connect with
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* the same arguments, no new link will be established, but instead, the
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* link identifier of the already opened link will be returned.
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*
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* The link to the server will be closed as soon as the execution of the
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* script ends, unless it's closed earlier by explicitly calling
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* msql_close.
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*
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* @param string $hostname The hostname can also include a port number. e.g.
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* hostname,port.
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*
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* If not specified, the connection is established by the means of a Unix
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* domain socket, being then more efficient then a localhost TCP socket
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* connection.
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*
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* While this function will accept a colon (:) as a
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* host/port separator, a comma (,) is the preferred
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* method.
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* @return resource Returns a positive mSQL link identifier on success.
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* @throws MsqlException
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*
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*/
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function msql_connect(string $hostname = null)
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{
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error_clear_last();
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if ($hostname !== null) {
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$result = \msql_connect($hostname);
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} else {
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$result = \msql_connect();
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_create_db attempts to create a new database on
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* the mSQL server.
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*
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* @param string $database_name The name of the mSQL database.
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* @param resource|null $link_identifier The mSQL connection.
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* If not specified, the last link opened by msql_connect
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* is assumed. If no such link is found, the function will try to establish a
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* link as if msql_connect was called, and use it.
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* @throws MsqlException
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*
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*/
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function msql_create_db(string $database_name, $link_identifier = null): void
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_create_db($database_name, $link_identifier);
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} else {
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$result = \msql_create_db($database_name);
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* msql_data_seek moves the internal row
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* pointer of the mSQL result associated with the specified query
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* identifier to point to the specified row number. The next call
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* to msql_fetch_row would return that
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* row.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $row_number The seeked row number.
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* @throws MsqlException
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*
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*/
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function msql_data_seek($result, int $row_number): void
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{
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error_clear_last();
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$result = \msql_data_seek($result, $row_number);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* msql_db_query selects a database and executes a query
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* on it.
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*
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* @param string $database The name of the mSQL database.
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* @param string $query The SQL query.
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* @param resource|null $link_identifier The mSQL connection.
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* If not specified, the last link opened by msql_connect
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* is assumed. If no such link is found, the function will try to establish a
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* link as if msql_connect was called, and use it.
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* @return resource Returns a positive mSQL query identifier to the query result.
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* @throws MsqlException
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*
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*/
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function msql_db_query(string $database, string $query, $link_identifier = null)
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_db_query($database, $query, $link_identifier);
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} else {
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$result = \msql_db_query($database, $query);
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_drop_db attempts to drop (remove) a database
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* from the mSQL server.
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*
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* @param string $database_name The name of the database.
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* @param resource|null $link_identifier The mSQL connection.
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* If not specified, the last link opened by msql_connect
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* is assumed. If no such link is found, the function will try to establish a
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* link as if msql_connect was called, and use it.
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* @throws MsqlException
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*
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*/
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function msql_drop_db(string $database_name, $link_identifier = null): void
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_drop_db($database_name, $link_identifier);
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} else {
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$result = \msql_drop_db($database_name);
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* msql_field_len returns the length of the specified
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* field.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $field_offset The numerical field offset. The
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* field_offset starts at 1.
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* @return int Returns the length of the specified field.
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* @throws MsqlException
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*
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*/
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function msql_field_len($result, int $field_offset): int
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{
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error_clear_last();
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$result = \msql_field_len($result, $field_offset);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_field_name gets the name of the specified field
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* index.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $field_offset The numerical field offset. The
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* field_offset starts at 1.
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* @return string The name of the field.
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* @throws MsqlException
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*
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*/
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function msql_field_name($result, int $field_offset): string
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{
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error_clear_last();
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$result = \msql_field_name($result, $field_offset);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Seeks to the specified field offset. If the next call to
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* msql_fetch_field won't include a field offset, this
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* field would be returned.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $field_offset The numerical field offset. The
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* field_offset starts at 1.
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* @throws MsqlException
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*
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*/
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function msql_field_seek($result, int $field_offset): void
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{
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error_clear_last();
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$result = \msql_field_seek($result, $field_offset);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* Returns the name of the table that the specified field is in.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $field_offset The numerical field offset. The
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* field_offset starts at 1.
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* @return int The name of the table on success.
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* @throws MsqlException
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*
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*/
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function msql_field_table($result, int $field_offset): int
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{
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error_clear_last();
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$result = \msql_field_table($result, $field_offset);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_field_type gets the type of the specified field
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* index.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @param int $field_offset The numerical field offset. The
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* field_offset starts at 1.
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* @return string The type of the field. One of int,
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* char, real, ident,
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* null or unknown. This functions will
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* return FALSE on failure.
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* @throws MsqlException
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*
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*/
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function msql_field_type($result, int $field_offset): string
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{
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error_clear_last();
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$result = \msql_field_type($result, $field_offset);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_free_result frees the memory associated
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* with query_identifier. When PHP completes a
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* request, this memory is freed automatically, so you only need to
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* call this function when you want to make sure you don't use too
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* much memory while the script is running.
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*
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* @param resource $result The result resource that
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* is being evaluated. This result comes from a call to
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* msql_query.
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* @throws MsqlException
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*
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*/
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function msql_free_result($result): void
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{
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error_clear_last();
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$result = \msql_free_result($result);
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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/**
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* msql_pconnect acts very much like
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* msql_connect with two major differences.
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*
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* First, when connecting, the function would first try to find a
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* (persistent) link that's already open with the same host.
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* If one is found, an identifier for it will be returned instead of opening
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* a new connection.
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*
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* Second, the connection to the SQL server will not be closed when the
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* execution of the script ends. Instead, the link will remain open for
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* future use (msql_close will not close links
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* established by this function).
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*
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* @param string $hostname The hostname can also include a port number. e.g.
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* hostname,port.
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*
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* If not specified, the connection is established by the means of a Unix
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* domain socket, being more efficient than a localhost TCP socket
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* connection.
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* @return resource Returns a positive mSQL link identifier on success.
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* @throws MsqlException
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*
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*/
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function msql_pconnect(string $hostname = null)
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{
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error_clear_last();
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if ($hostname !== null) {
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$result = \msql_pconnect($hostname);
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} else {
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$result = \msql_pconnect();
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_query sends a query to the currently active
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* database on the server that's associated with the specified link
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* identifier.
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|
*
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* @param string $query The SQL query.
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||
|
* @param resource|null $link_identifier The mSQL connection.
|
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|
* If not specified, the last link opened by msql_connect
|
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|
* is assumed. If no such link is found, the function will try to establish a
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|
* link as if msql_connect was called, and use it.
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* @return resource Returns a positive mSQL query identifier on success.
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* @throws MsqlException
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*
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*/
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function msql_query(string $query, $link_identifier = null)
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_query($query, $link_identifier);
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} else {
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$result = \msql_query($query);
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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return $result;
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}
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/**
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* msql_select_db sets the current active database on
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* the server that's associated with the specified
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* link_identifier.
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|
*
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||
|
* Subsequent calls to msql_query will be made on the
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* active database.
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||
|
*
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|
* @param string $database_name The database name.
|
||
|
* @param resource|null $link_identifier The mSQL connection.
|
||
|
* If not specified, the last link opened by msql_connect
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* is assumed. If no such link is found, the function will try to establish a
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* link as if msql_connect was called, and use it.
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* @throws MsqlException
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*
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*/
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function msql_select_db(string $database_name, $link_identifier = null): void
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{
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error_clear_last();
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if ($link_identifier !== null) {
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$result = \msql_select_db($database_name, $link_identifier);
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} else {
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$result = \msql_select_db($database_name);
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}
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if ($result === false) {
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throw MsqlException::createFromPhpError();
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}
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}
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