php-doc-en/reference/hw/functions/hw-error.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.hw-error" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>hw_Error</refname>
  <refpurpose>Error number</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>hw_error</methodname>
   <methodparam><type>int</type><parameter>connection</parameter></methodparam>
  </methodsynopsis>
  <para>
   Returns the last error number, for the last command.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>connection</parameter></term>
     <listitem>
      <para>
       The connection identifier.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the last error number or 0 if no error occurred.
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>hw_errormsg</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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