philip Mon Jul 19 21:48:47 2004 EDT
Modified files: /phpdoc/en/reference/mysql/functions mysql-ping.xml Log: Added an example. http://cvs.php.net/diff.php/phpdoc/en/reference/mysql/functions/mysql-ping.xml?r1=1.4&r2=1.5&ty=u Index: phpdoc/en/reference/mysql/functions/mysql-ping.xml diff -u phpdoc/en/reference/mysql/functions/mysql-ping.xml:1.4 phpdoc/en/reference/mysql/functions/mysql-ping.xml:1.5 --- phpdoc/en/reference/mysql/functions/mysql-ping.xml:1.4 Wed Jul 9 11:07:29 2003 +++ phpdoc/en/reference/mysql/functions/mysql-ping.xml Mon Jul 19 21:48:47 2004 @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="iso-8859-1"?> -<!-- $Revision: 1.4 $ --> +<!-- $Revision: 1.5 $ --> <!-- splitted from ./en/functions/mysql.xml, last change in rev 1.100 --> <refentry id="function.mysql-ping"> <refnamediv> @@ -22,6 +22,38 @@ and reconnect if necessary. <function>mysql_ping</function> returns &true; if the connection to the server is working, otherwise &false;. + </para> + <para> + <example> + <title>A <function>mysql_ping</function> example</title> + <programlisting role="php"> +<![CDATA[ +<?php +set_time_limit(0); + +$conn = mysql_connect('localhost', 'mysqluser', 'mypass'); +$db = mysql_select_db('mydb'); + +/* Assuming this query will take a long time */ +$result = mysql_query($sql); +if (!$result) { + echo 'Query #1 failed, exiting.'; + exit; +} + +/* Make sure the connection is still alive, if not, try to reconnect */ +if (!mysql_ping($conn)) { + echo 'Lost connection, exiting after query #1'; + exit; +} +mysql_free_result($result); + +/* So the connection is still alive, let's run another query */ +$result2 = mysql_query($sql2); +?> +]]> + </programlisting> + </example> </para> <para> See also