php-doc-en/reference/fbsql/functions/fbsql-error.xml
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<!-- splitted from ./en/functions/fbsql.xml, last change in rev 1.1 -->
<refentry id="function.fbsql-error">
<refnamediv>
<refname>fbsql_error</refname>
<refpurpose>
Returns the text of the error message from previous FrontBase
operation
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>string</type><methodname>fbsql_error</methodname>
<methodparam choice="opt"><type>resource</type><parameter>
link_identifier
</parameter></methodparam>
</methodsynopsis>
<para>
Returns the error text from the last fbsql function, or
<literal>''</literal> (the empty string) if no error occurred.
</para>
<para>
Errors coming back from the fbsql database backend don't issue
warnings. Instead, use <function>fbsql_error</function> to
retrieve the error text. Note that this function only returns the
error text from the most recently executed fbsql function (not
including <function>fbsql_error</function> and
<function>fbsql_errno</function>), so if you want to use it, make
sure you check the value before calling another fbsql function.
<informalexample>
<programlisting role="php">
<![CDATA[
<?php
fbsql_connect("marliesle");
echo fbsql_errno().": ".fbsql_error()."<BR>";
fbsql_select_db("nonexistentdb");
echo fbsql_errno().": ".fbsql_error()."<BR>";
$conn = fbsql_query("SELECT * FROM nonexistenttable;");
echo fbsql_errno().": ".fbsql_error()."<BR>";
?>
]]>
</programlisting>
</informalexample>
</para>
<para>
See also: <function>fbsql_errno</function> and
<function>fbsql_warnings</function>.
</para>
</refsect1>
</refentry>
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