<HTML ><HEAD ><TITLE >dbmfirstkey</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="dbm functions" HREF="ref.dbm.html"><LINK REL="PREVIOUS" TITLE="dbmdelete" HREF="function.dbmdelete.html"><LINK REL="NEXT" TITLE="dbmnextkey" HREF="function.dbmnextkey.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><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.dbmdelete.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.dbmnextkey.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbmfirstkey" >dbmfirstkey</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN7659" ></A >dbmfirstkey -- retrieves the first key from a dbm database</DIV ><DIV CLASS="refsect1" ><A NAME="AEN7662" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >string dbmfirstkey</CODE >(int dbm_identifier);<P ></P ></DIV ><P > Returns the first key in the database. Note that no particular order is guaranteed since the database may be built using a hash-table, which doesn't guarantee any ordering.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.dbmdelete.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.dbmnextkey.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbmdelete</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbm.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbmnextkey</TD ></TR ></TABLE ></DIV ></BODY ></HTML >