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<p>mysqli_ping
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<p><h1><a name="function.mysqli-ping"></a>mysqli_ping</h1><div><a name="AEN99850"></a>
<p>(PHP 5)mysqli_ping
<p>(no version information, might be only in CVS)mysqli-&#62;ping --
<p>Pings a server connection, or tries to reconnect if the connection has gone down
<p></div><div><a name="AEN99854"></a><h2>Description</h2>
<p>Procedural style:bool mysqli_ping (mysqli link)
<p>Object oriented style (method):class <B CLASS="classname">mysqli {
<p>bool ping (void)
<p>}
<p>- Checks whether the connection to the server is working. If it has gone
<p>down, and global option mysqli.reconnect is enabled
<p>an automatic reconnection is attempted.
<p>- This function can be used by clients that remain idle for a long while,
<p>to check whether the server has closed the connection and reconnect if
<p>necessary.
<p></div><div><a name="AEN99874"></a><h2>Возвращаемые значения</h2>
<p>Возвращает <TT CLASS="constant">TRUE в случае успешного завершения или <TT CLASS="constant">FALSE в случае возникновения ошибки.</div><div><a name="AEN99879"></a><h2>Примеры</h2><table><tr><td><DIV><a name="AEN99881"></a>
<p>Пример 1. Object oriented style<table><tr><td><code>
<p>&lt;?php
<p>$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
<p>
<p>/* check connection */
<p>if (mysqli_connect_errno()) {
<p>printf("Connect failed: %s\n", mysqli_connect_error());
<p>exit();
<p>}
<p>
<p>/* check if server is alive */
<p>if ($mysqli->ping()) {
<p>printf ("Our connection is ok!\n");
<p>} else {
<p>printf ("Error: %s\n", $mysqli->error);
<p>}
<p>
<p>/* close connection */
<p>$mysqli->close();
<p>?>
<p>
<p></code></TABLE></div></TABLE><table><tr><td><DIV><a name="AEN99884"></a>
<p>Пример 2. Procedural style<table><tr><td><code>
<p>&lt;?php
<p>$link = mysqli_connect("localhost", "my_user", "my_password", "world");
<p>
<p>/* check connection */
<p>if (mysqli_connect_errno()) {
<p>printf("Connect failed: %s\n", mysqli_connect_error());
<p>exit();
<p>}
<p>
<p>/* check if server is alive */
<p>if (mysqli_ping($link)) {
<p>printf ("Our connection is ok!\n");
<p>} else {
<p>printf ("Error: %s\n", mysqli_error($link));
<p>}
<p>
<p>/* close connection */
<p>mysqli_close($link);
<p>?>
<p>
<p></code></TABLE></div></TABLE>
<p>Результат выполнения данного примера:<table><tr><td><PRE>Our connection is ok!</PRE></TABLE></div>
<p><a href="function.mysqli-param-count.html">Пред.</a>
<p><a href="index.html">Начало</a>
<p><a href="function.mysqli-prepare.html">След.</a>
<p>mysqli_param_count
<p><a href="ref.mysqli.html">Уровень выше</a>
<p>mysqli_prepare
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