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* Provide OOP example when extending mysqli class.

Browse source 
* Adjust examples to match other connect examples.
* Check for errors along the way.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@277081 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Daniel Convissor 2009-03-13 00:16:11 +00:00
parent b51dded646
commit 641729d204
1 changed files with 68 additions and 31 deletions
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99
reference/mysqli/mysqli/real-connect.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<!-- $Revision: 1.3 $ -->
<refentry xml:id="mysqli.real-connect" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mysqli::real_connect</refname>
@ -199,26 +199,62 @@
<![CDATA[
<?php
/* create a connection object which is not connected */
$mysqli = mysqli_init();
/* set connection options */
$mysqli->options(MYSQLI_INIT_COMMAND, "SET AUTOCOMMIT=0");
$mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 5);
/* connect to server */
$mysqli->real_connect('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
if (!$mysqli) {
die('mysqli_init failed');
}
printf ("Connection: %s\n.", $mysqli->host_info);
if (!$mysqli->options(MYSQLI_INIT_COMMAND, 'SET AUTOCOMMIT = 0')) {
die('Setting MYSQLI_INIT_COMMAND failed');
}
if (!$mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 5)) {
die('Setting MYSQLI_OPT_CONNECT_TIMEOUT failed');
}
if (!$mysqli->real_connect('localhost', 'my_user', 'my_password', 'my_db')) {
die('Connect Error (' . mysqli_connect_errno() . ') '
. mysqli_connect_error());
}
echo 'Success... ' . $mysqli->host_info . "\n";
$mysqli->close();
?>
]]>
</programlisting>
</example>
<example>
<title>Object oriented style when extending mysqli class</title>
<programlisting role="php">
<![CDATA[
<?php
class foo_mysqli extends mysqli {
public function __construct($host, $user, $pass, $db) {
parent::init();
if (!parent::options(MYSQLI_INIT_COMMAND, 'SET AUTOCOMMIT = 0')) {
die('Setting MYSQLI_INIT_COMMAND failed');
}
if (!parent::options(MYSQLI_OPT_CONNECT_TIMEOUT, 5)) {
die('Setting MYSQLI_OPT_CONNECT_TIMEOUT failed');
}
if (!parent::real_connect($host, $user, $pass, $db)) {
die('Connect Error (' . mysqli_connect_errno() . ') '
. mysqli_connect_error());
}
}
}
$db = new foo_mysqli('localhost', 'my_user', 'my_password', 'my_db');
echo 'Success... ' . $db->host_info . "\n";
$db->close();
?>
]]>
</programlisting>
</example>
@ -228,23 +264,25 @@ $mysqli->close();
<![CDATA[
<?php
/* create a connection object which is not connected */
$link = mysqli_init();
/* set connection options */
mysqli_options($link, MYSQLI_INIT_COMMAND, "SET AUTOCOMMIT=0");
mysqli_options($link, MYSQLI_OPT_CONNECT_TIMEOUT, 5);
/* connect to server */
mysqli_real_connect($link, 'localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
if (!$link) {
die('mysqli_init failed');
}
printf ("Connection: %s\n.", mysqli_get_host_info($link));
if (!mysqli_options($link, MYSQLI_INIT_COMMAND, 'SET AUTOCOMMIT = 0')) {
die('Setting MYSQLI_INIT_COMMAND failed');
}
if (!mysqli_options($link, MYSQLI_OPT_CONNECT_TIMEOUT, 5)) {
die('Setting MYSQLI_OPT_CONNECT_TIMEOUT failed');
}
if (!mysqli_real_connect($link, 'localhost', 'my_user', 'my_password', 'my_db')) {
die('Connect Error (' . mysqli_connect_errno() . ') '
. mysqli_connect_error());
}
echo 'Success... ' . mysqli_get_host_info($link) . "\n";
mysqli_close($link);
?>
@ -254,8 +292,7 @@ mysqli_close($link);
&example.outputs;
<screen>
<![CDATA[
Connection: Localhost via UNIX socket
Success... MySQL host info: localhost via TCP/IP
]]>
</screen>
</refsect1>