<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >px_get_schema</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Paradox File Access" HREF="ref.paradox.html"><LINK REL="PREVIOUS" TITLE="px_get_record" HREF="function.px-get-record.html"><LINK REL="NEXT" TITLE="px_get_value" HREF="function.px-get-value.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></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 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.px-get-record.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.px-get-value.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.px-get-schema" ></A >px_get_schema</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN167679" ></A ><P > (PECL)</P >px_get_schema -- Returns the database schema</DIV ><DIV CLASS="refsect1" ><A NAME="AEN167682" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >px_get_schema</B > ( resource pxdoc [, int mode] )<BR ></BR ><P > <B CLASS="function" >px_get_schema()</B > returns the database schema. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN167695" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >pxdoc</CODE ></DT ><DD ><P > Resource identifier of the paradox database as returned by <A HREF="function.px-new.html" ><B CLASS="function" >px_new()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >mode</CODE ></DT ><DD ><P > If the optional <CODE CLASS="parameter" >mode</CODE > is <TT CLASS="constant" ><B >PX_KEYTOLOWER</B ></TT > or <TT CLASS="constant" ><B >PX_KEYTOUPPER</B ></TT > the keys of the returned array will be converted to lower or upper case. If <CODE CLASS="parameter" >mode</CODE > is 0 or not passed at all, then the key name will be identical to the field name. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN167714" ></A ><H2 >返回值</H2 ><P > Returns the schema of a database file as an associated array. The key name is equal to the field name. Each array element is itself an associated array containing the two fields <TT CLASS="literal" >type</TT > and <TT CLASS="literal" >size</TT >. <TT CLASS="literal" >type</TT > is one of the constants in table <A HREF="ref.paradox.html#paradox.table-fieldtypes" >Constants for field types</A >. <TT CLASS="literal" >size</TT > is the number of bytes this field consumes in the record. The total of all field sizes is equal to the record size as it can be retrieved with <A HREF="function.px-get-info.html" ><B CLASS="function" >px-get-info()</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.px-get-record.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.px-get-value.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >px_get_record</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.paradox.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >px_get_value</TD ></TR ></TABLE ></DIV ></BODY ></HTML >