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minor fixed. Added and corrected samples

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@138481 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Georg Richter 2003-08-22 12:08:49 +00:00
parent 268c48bbec
commit 0ee6c80146
1 changed files with 65 additions and 17 deletions
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82
reference/mysqli/functions/mysqli-affected-rows.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.7 $ -->
<!-- $Revision: 1.8 $ -->
<refentry id="function.mysqli-affected-rows">
<refnamediv>
<refname>mysqli_affected_rows</refname>
@ -9,7 +9,7 @@
<title>Description</title>
<methodsynopsis>
<type>mixed</type><methodname>mysqli_affected_rows</methodname>
<methodparam><type>resource</type><parameter>link</parameter></methodparam>
<methodparam><type>object</type><parameter>link</parameter></methodparam>
</methodsynopsis>
<para>
<function>mysqli_affected_rows</function> returns the number of rows affected by the last
@ -30,52 +30,96 @@
<para>
<example>
<title>Delete-Query</title>
<para>Procedural style:</para>
<programlisting role="php">
<![CDATA[
<?php
/* connect to database */
mysqli_connect("localhost", "mysql_user", "mysql_password") or
die("Could not connect: " . mysqli_error());
mysqli_select_db("mydb");
$link = mysqli_connect("localhost", "mysql_user", "mysql_password", "mydb") or
die("Could not connect: " . mysqli_connect_error());
/* this should return the correct numbers of deleted records */
mysqli_query("DELETE FROM mytable WHERE id < 10");
printf ("Records deleted: %d\n", mysqli_affected_rows());
mysqli_query($link, "DELETE FROM mytable WHERE id < 10");
printf ("Records deleted: %2d\n", mysqli_affected_rows($link));
/* without a where clause in a delete statement, it should return 0 */
mysqli_query("DELETE FROM mytable");
printf ("Records deleted: %d\n", mysqli_affected_rows());
mysqli_query($link, "DELETE FROM mytable");
printf ("Records deleted: %2d\n", mysqli_affected_rows($link));
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
<para>Object oriented style:</para>
<programlisting>
<![CDATA[
<?php
/* connect to database */
$mysql = mysqli_connect("localhost", "mysql_user", "mysql_password", "mydb") or
die("Could not connect: " . mysqli_connect_error());
/* this should return the correct numbers of deleted records */
$mysql->query("DELETE FROM mytable WHERE id < 10");
printf ("Records deleted: %2d\n", $mysql->affected_rows());
/* without a where clause in a delete statement, it should return 0 */
$mysql->query("DELETE FROM mytable");
printf ("Records deleted: %2d\n", $mysql->affected_rows());
/* close connection */
$mysql->close();
?>
]]>
</programlisting>
<para>
The above example would produce the following output:
The above examples would produce the following output:
<screen>
<![CDATA[
Records deleted: 10
Records deleted: 0
Records deleted: 0
]]>
</screen>
</para>
</example>
<example>
<title>Update-Query</title>
<para>Procedural style:</para>
<programlisting role="php">
<![CDATA[
<?php
/* connect to database */
mysqli_connect("localhost", "mysql_user", "mysql_password") or
die("Could not connect: " . mysqli_error());
mysqli_select_db("mydb");
$link = mysqli_connect("localhost", "mysql_user", "mysql_password", "mydb") or
die("Could not connect: " . mysqli_connect_error());
/* Update records */
mysqli_query("UPDATE mytable SET used=1 WHERE id < 10");
printf ("Updated records: %d\n", mysqli_affected_rows());
mysqli_query($link, "UPDATE mytable SET used=1 WHERE id < 10");
printf ("Updated records: %d\n", mysqli_affected_rows($link));
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
<para>Object oriented style:</para>
<programlisting role="php">
<![CDATA[
<?php
/* connect to database */
$mysql = mysqli_connect("localhost", "mysql_user", "mysql_password", "mydb") or
die("Could not connect: " . mysqli_connect_error());
/* Update records */
$mysql->query("UPDATE mytable SET used=1 WHERE id < 10");
printf ("Updated records: %d\n", $mysql->affected_rows($link));
/* close connection */
mysql->close($link);
?>
]]>
</programlisting>
<para>
The above example would produce the following output:
The above examples would produce the following output:
<screen>
<![CDATA[
Updated Records: 10
@ -84,6 +128,10 @@ Updated Records: 10
</para>
</example>
</para>
<para>
See also: <function>mysqli_num_rows</function>,
<function>mysqli_info</function>.
</para>
</refsect1>
</refentry>