1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
|
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 317865 $ -->
<refentry xml:id="mysqlnduhconnection.geterrorstring" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>MysqlndUhConnection::getErrorString</refname>
<refpurpose>Returns a string description of the last error</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>string</type><methodname>MysqlndUhConnection::getErrorString</methodname>
<methodparam><type>mysqlnd_connection</type><parameter>connection</parameter></methodparam>
</methodsynopsis>
<para>
Returns a string description of the last error.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>connection</parameter></term>
<listitem>
<para>
Mysqlnd connection handle. Do not modify!
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Error string for the most recent function call.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<function>MysqlndUhConnection::getErrorString</function> is not only executed
after the invocation of a user space API call which maps directly to it but also
called internally.
</para>
<para>
<example>
<title><function>MysqlndUhConnection::getErrorString</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class proxy extends MysqlndUhConnection {
public function getErrorString($res) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::getErrorString($res);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
printf("connect...\n");
$mysqli = new mysqli("localhost", "root", "", "test");
printf("query...\n");
$mysqli->query("WILL_I_EVER_LEARN_SQL?");
printf("errno...\n");
var_dump($mysqli->error);
printf("close...\n");
$mysqli->close();
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
connect...
proxy::getErrorString(array (
0 => NULL,
))
proxy::getErrorString returns ''
query...
errno...
proxy::getErrorString(array (
0 => NULL,
))
proxy::getErrorString returns 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near \'WILL_I_EVER_LEARN_SQL?\' at line 1'
string(168) "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WILL_I_EVER_LEARN_SQL?' at line 1"
close...
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member>
<function>mysqlnd_uh_set_connection_proxy</function>
</member>
<member>
<function>MysqlndUhConnection::getErrorNumber</function>
</member>
<member>
<function>mysqli_error</function>
</member>
<member>
<function>mysql_error</function>
</member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
|