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documented mysqli_connect_errno/error functions
more samples added git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@151906 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Georg Richter
parent
33fccbb39e
commit
1dd6357dd0
6 changed files with 264 additions and 30 deletions
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.7 $ -->
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<!-- $Revision: 1.8 $ -->
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<refentry id="function.mysqli-character-set-name">
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<refnamediv>
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<refname>mysqli_character_set_name</refname>
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@ -31,32 +31,51 @@
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<title>Return values</title>
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<para>The default character set for the current connection</para>
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</refsect1>
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<refsect1>
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<title>See also</title>
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<para>
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<function>mysqli_client_encoding</function>.
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<function>mysqli_real_escape_string</function>.
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</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<example>
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<title>Using the mysqli_character_set_name function</title>
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<title>Object oriented style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/* Open a connection */
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$link = mysqli_connect("localhost", "username", "password");
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$mysqli = new mysqli("localhost", "my_user", "my_password");
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/* Print current character set */
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$charset = $mysqli->character_set_name();
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printf ("Current character set is %s\n", $charset);
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$mysqli->close();
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>Procedural style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/* Open a connection */
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$link = mysqli_connect("localhost", "my_user", "my_password");
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/* Print current character set */
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$charset = mysqli_character_set_name($link);
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printf ("Current character set is %s\n",$charset);
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/* close connection */
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mysqli_close($link);
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?>
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]]>
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</programlisting>
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</example>
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</refsect1>
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<refsect1>
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<title>See also</title>
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<para>
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<function>mysqli_real_escape_string</function>.
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</para>
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</refsect1>
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</programlisting>
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</example>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.1 $ -->
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<!-- $Revision: 1.2 $ -->
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<refentry id="function.mysqli-client-encoding">
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<refnamediv>
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<refname>mysqli_client_encoding</refname>
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@ -9,6 +9,15 @@
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<title>Description</title>
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<para>
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This function is an alias of <function>mysqli_character_set_name</function>.
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For a detailled descripton see description of
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<function>mysqli_character_set_name</function>.
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</para>
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</refsect1>
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<refsect1>
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<title>See also</title>
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<para>
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<function>mysqli_client_encoding</function>.
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<function>mysqli_real_escape_string</function>.
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</para>
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</refsect1>
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</refentry>
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.4 $ -->
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<!-- $Revision: 1.5 $ -->
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<refentry id="function.mysqli-commit">
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<refnamediv>
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<refname>mysqli_commit</refname>
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<function>mysqli_rollback</function>.
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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<example>
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<title>Object oriented style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$mysqli = new mysqli("localhost", "my_user", "my_password", "test");
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$mysqli->query("DROP TABLE IF EXISTS ta_sample");
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$mysqli->query("CREATE TABLE ta_sample (a int) TYPE=InnoDB");
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/* set autocommit to off */
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$mysqli->autocommit(FALSE);
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/* Insert some values */
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$mysqli->query("INSERT INTO ta_sample VALUES (1)");
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$mysqli->query("INSERT INTO ta_sample VALUES (1)");
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/* commit transaction */
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$mysqli->commit();
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/* close connection */
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$mysqli->close();
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>Procedural style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = mysqli_connect("localhost", "my_user", "my_password", "test");
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mysqli_query($link, "DROP TABLE IF EXISTS ta_sample");
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mysqli_query($link, "CREATE TABLE ta_sample (a int) TYPE=InnoDB");
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/* set autocommit to off */
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mysqli_autocommit($link, FALSE);
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/* Insert some values */
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mysqli_query($link, "INSERT INTO ta_sample VALUES (1)");
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mysqli_query($link, "INSERT INTO ta_sample VALUES (1)");
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/* commit transaction */
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mysqli_commit($link);
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/* close connection */
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mysqli_close($link);
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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@ -1,19 +1,66 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.1 $ -->
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<!-- $Revision: 1.2 $ -->
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<refentry id="function.mysqli-connect-errno">
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<refnamediv>
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<refname>mysqli_connect_errno</refname>
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<refpurpose>Returns the numerical value of the error message from last connect command.</refpurpose>
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<refpurpose>Returns the error code from last connect call</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>mysqli_connect_errno</methodname>
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<void/>
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</methodsynopsis>
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<methodsynopsis>
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<type>int</type><methodname>mysqli_connect_errno</methodname>
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<methodparam><type>void</type><parameter></parameter></methodparam>
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</methodsynopsis>
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<para>
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The <function>mysqli_connect_errno</function> function will return the last error code number
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for last call to <function>mysqli_connect</function>.
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If no errors have occured, this function will return zero.
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</para>
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<note>
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<para>
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Client error message numbers are listed in the MySQL <filename>errmsg.h</filename> header file,
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server error message numbers are listed in <filename>mysqld_error.h</filename>.
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In the MySQL source distribution you can find a complete list of error messages and error numbers
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in the file <filename>Docs/mysqld_error.txt</filename>.
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</para>
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</note>
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</refsect1>
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<refsect1>
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<title>Return values</title>
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<para>
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An error code value for the last call to <function>mysqli_connect</function>, if it failed.
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zero means no error occurred.
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</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<para>
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<example>
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<title>mysqli_connect_errno sample</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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&warn.undocumented.func;
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$link = @mysqli_connect("localhost", "nonexisting_user", "");
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if (!$link) {
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printf("Can't connect to localhost. Errorcode: %d\n", mysqli_connect_errno());
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1>
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<title>See also</title>
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<para>
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<function>mysqli_connect</function>,
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<function>mysqli_connect_error</function>,
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<function>mysqli_errno</function>,
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<function>mysqli_error</function>,
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<function>mysqli_sqlstate</function>
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</para>
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</refsect1>
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</refentry>
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.1 $ -->
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<!-- $Revision: 1.2 $ -->
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<refentry id="function.mysqli-connect-error">
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<refnamediv>
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<refname>mysqli_connect_error</refname>
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<refpurpose>Returns the text of the error message from previous MySQL operation.</refpurpose>
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<refpurpose>Returns a string description of the last connect error</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>mysqli_connect_error</methodname>
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<void/>
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</methodsynopsis>
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<methodsynopsis>
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<type>string</type><methodname>mysqli_connect_error</methodname>
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<methodparam><type>void</type><parameter></parameter></methodparam>
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</methodsynopsis>
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<para>
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The <function>mysqli_connect_error</function> function is identical to the corresponding
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<function>mysqli_connect_errno</function> function in every way, except instead of returning
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an integer error code the <function>mysqli_connect_error</function> function will return
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a string representation of the last error to occur for the last
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<function>mysqli_connect</function> call.
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If no error has occured, this function will return an empty string.
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</para>
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</refsect1>
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<refsect1>
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<title>Return values</title>
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<para>
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A string that describes the error. An empty string if no error occurred.
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</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<para>
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<example>
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<title>mysqli_connect_error sample</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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&warn.undocumented.func;
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$link = @mysqli_connect("localhost", "nonexisting_user", "");
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if (!$link) {
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printf("Can't connect to localhost. Error: %s\n", mysqli_connect_error());
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1>
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<title>See also</title>
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<para>
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<function>mysqli_connect</function>,
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<function>mysqli_connect_errno</function>,
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<function>mysqli_errno</function>,
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<function>mysqli_error</function>,
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<function>mysqli_sqlstate</function>
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</para>
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</refsect1>
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</refentry>
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<!-- $Revision: 1.4 $ -->
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<refentry id="function.mysqli-rollback">
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<refnamediv>
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<refname>mysqli_rollback</refname>
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<function>mysqli_autocommit</function>
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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<example>
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<title>Object oriented style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$mysqli = new mysqli("localhost", "my_user", "my_password", "test");
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$mysqli->query("DROP TABLE IF EXISTS ta_sample");
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$mysqli->query("CREATE TABLE ta_sample (a int) TYPE=InnoDB");
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/* set autocommit to off */
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$mysqli->autocommit(FALSE);
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/* Insert some values */
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$mysqli->query("INSERT INTO ta_sample VALUES (1)");
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$mysqli->query("INSERT INTO ta_sample VALUES (1)");
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/* rollback transaction */
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$mysqli->rollback();
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/* close connection */
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$mysqli->close();
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>Procedural style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = mysqli_connect("localhost", "my_user", "my_password", "test");
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mysqli_query($link, "DROP TABLE IF EXISTS ta_sample");
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mysqli_query($link, "CREATE TABLE ta_sample (a int) TYPE=InnoDB");
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/* set autocommit to off */
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mysqli_autocommit($link, FALSE);
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/* Insert some values */
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mysqli_query($link, "INSERT INTO ta_sample VALUES (1)");
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mysqli_query($link, "INSERT INTO ta_sample VALUES (1)");
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/* rollback transaction */
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mysqli_rollback($link);
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/* close connection */
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mysqli_close($link);
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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