<HTML ><HEAD ><TITLE >dbplus_find</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="DB++ Functions" HREF="ref.dbplus.html"><LINK REL="PREVIOUS" TITLE="dbplus_errno" HREF="function.dbplus-errno.html"><LINK REL="NEXT" TITLE="dbplus_first" HREF="function.dbplus-first.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" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.dbplus-errno.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.dbplus-first.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbplus-find" ></A >dbplus_find</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN18654" ></A ><P > (4.1.0 - 4.2.3 only)</P >dbplus_find -- Set a constraint on a relation</DIV ><DIV CLASS="refsect1" ><A NAME="AEN18657" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >dbplus_find</B > ( resource relation, array constraints, mixed tuple)<BR ></BR ><DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >Warning</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P >This function is <SPAN CLASS="emphasis" ><I CLASS="emphasis" >EXPERIMENTAL</I ></SPAN >. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.</P ></TD ></TR ></TABLE ></DIV ><P > <B CLASS="function" >dbplus_find()</B > will place a constraint on the given relation. Further calls to functions like <A HREF="function.dbplus-curr.html" ><B CLASS="function" >dbplus_curr()</B ></A > or <A HREF="function.dbplus-next.html" ><B CLASS="function" >dbplus_next()</B ></A > will only return tuples matching the given constraints. </P ><P > Constraints are triplets of strings containing of a domain name, a comparison operator and a comparison value. The <TT CLASS="parameter" ><I >constraints</I ></TT > parameter array may consist of a collection of string arrays, each of which contains a domain, an operator and a value, or of a single string array containing a multiple of three elements. </P ><P > The comparison operator may be one of the following strings: '==', '>', '>=', '<', '<=', '!=', '~' for a regular expression match and 'BAND' or 'BOR' for bitwise operations. </P ><P > See also <A HREF="function.dbplus-unselect.html" ><B CLASS="function" >dbplus_unselect()</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.dbplus-errno.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.dbplus-first.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbplus_errno</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbplus.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbplus_first</TD ></TR ></TABLE ></DIV ></BODY ></HTML >