<HTML ><HEAD ><TITLE >pg_num_rows</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_num_fields" HREF="function.pg-num-fields.html"><LINK REL="NEXT" TITLE="pg_Options" HREF="function.pg-options.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-num-fields.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-options.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-num-rows" ></A >pg_num_rows</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN64521" ></A ><P > (PHP 4 >= 4.2.0)</P >pg_num_rows -- Returns the number of rows</DIV ><DIV CLASS="refsect1" ><A NAME="AEN64524" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >pg_num_rows</B > ( resource result)<BR ></BR ><P > <B CLASS="function" >pg_num_rows()</B > will return the number of rows in a PostgreSQL <TT CLASS="parameter" ><I >result</I ></TT > resource. <TT CLASS="parameter" ><I >result</I ></TT > is a query result resource returned by <A HREF="function.pg-query.html" ><B CLASS="function" >pg_query()</B ></A >. This function will return -1 on error. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > Use <A HREF="function.pg-affected-rows.html" ><B CLASS="function" >pg_affected_rows()</B ></A > to get number of rows affected by INSERT, UPDATE and DELETE query. </P ></BLOCKQUOTE ></DIV ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > This function used to be called <TT CLASS="literal" >pg_numrows()</TT >. </P ></BLOCKQUOTE ></DIV ><P > See also <A HREF="function.pg-num-fields.html" ><B CLASS="function" >pg_num_fields()</B ></A > and <A HREF="function.pg-affected-rows.html" ><B CLASS="function" >pg_affected_rows()</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-num-fields.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-options.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_num_fields</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_Options</TD ></TR ></TABLE ></DIV ></BODY ></HTML >