<HTML ><HEAD ><TITLE >pg_field_num</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Manual de PHP" HREF="index.html"><LINK REL="UP" TITLE="Funciones de PostgreSQL" HREF="ref.pgsql.html"><LINK REL="PREVIOUS" TITLE="pg_field_name" HREF="function.pg-field-name.html"><LINK REL="NEXT" TITLE="pg_field_prtlen" HREF="function.pg-field-prtlen.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual de PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.pg-field-name.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.pg-field-prtlen.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-field-num" ></A >pg_field_num</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN63869" ></A ><P > (PHP 4 >= 4.2.0)</P >pg_field_num -- Returns the field number of the named field</DIV ><DIV CLASS="refsect1" ><A NAME="AEN63872" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >pg_field_num</B > ( resource result, string field_name)<BR ></BR ><P > <B CLASS="function" >pg_field_num()</B > will return the number of the column (field) slot that corresponds to the <TT CLASS="parameter" ><I >field_name</I ></TT > in the given PostgreSQL <TT CLASS="parameter" ><I >result</I ></TT > resource. Field numbering starts at 0. This function will return -1 on error. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > This function used to be called <TT CLASS="literal" >pg_fieldnum()</TT >. </P ></BLOCKQUOTE ></DIV ><P > See also <A HREF="function.pg-field-name.html" ><B CLASS="function" >pg_field_name()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.pg-field-name.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Inicio</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.pg-field-prtlen.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_field_name</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pgsql.html" ACCESSKEY="U" >Subir</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pg_field_prtlen</TD ></TR ></TABLE ></DIV ></BODY ></HTML >