cubrid_ping
(PECL CUBRID >= 8.3.1)
cubrid_ping — Ping a server connection or reconnect if there is no connection
Description
bool cubrid_ping
([ resource
$conn_identifier
] )Checks whether or not the connection to the server is working.
Parameters
-
conn_identifier -
The CUBRID connection identifier. If the connection identifier is not specified, the last connection opened by cubrid_connect() is assumed.
Return Values
Returns TRUE if the connection to the server CUBRID server is working, otherwise FALSE.
Examples
Example #1 cubrid_ping() example
<?php
set_time_limit(0);
$conn = cubrid_connect('localhost', 33000, 'demodb');
/* Assuming this query will take a long time */
$sql = "select * from athlete";
$result = cubrid_query($sql);
if (!$result) {
echo 'Query #1 failed, exiting.';
exit;
}
/* Make sure the connection is still alive, if not, try to reconnect */
if (!cubrid_ping($conn)) {
echo 'Lost connection, exiting after query #1';
exit;
}
cubrid_free_result($result);
/* So the connection is still alive, let's run another query */
$sql2 = "select * from code";
$result2 = cubrid_query($sql2);
?>
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Расширения для работы с базами данных
- Расширения для работы с базами данных отдельных производителей
- CUBRID
- cubrid_affected_rows
- cubrid_client_encoding
- cubrid_close
- cubrid_data_seek
- cubrid_db_name
- cubrid_errno
- cubrid_error
- cubrid_fetch_array
- cubrid_fetch_assoc
- cubrid_fetch_field
- cubrid_fetch_lengths
- cubrid_fetch_object
- cubrid_fetch_row
- cubrid_field_flags
- cubrid_field_len
- cubrid_field_name
- cubrid_field_seek
- cubrid_field_table
- cubrid_field_type
- cubrid_list_dbs
- cubrid_num_fields
- cubrid_ping
- cubrid_query
- cubrid_real_escape_string
- cubrid_result
- cubrid_unbuffered_query
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