370 lines
5.0 KiB
HTML
370 lines
5.0 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>The syntax of SQL code</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="PHP-Nuke: Management and Programming"
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HREF="book1.htm"><LINK
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REL="UP"
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TITLE="Programmer's tools "
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HREF="c2221.htm"><LINK
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REL="PREVIOUS"
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TITLE="Programmer's tools "
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HREF="c2221.htm"><LINK
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REL="NEXT"
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TITLE="PHPMyadmin, administering MySQL via web"
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HREF="x2692.htm"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>PHP-Nuke: Management and Programming</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="c2221.htm"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 11. Programmer's tools</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="x2692.htm"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="SQL-SYNTAX"
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></A
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>The syntax of SQL code</H1
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><P
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>Aiming at making PHP-Nuke compatible with more databases, the SQL syntax<A
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NAME="AEN2646"
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></A
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> has been transformed to functions, in order to achieve a standard syntax that is independent of the database used. For convenience, let us recall the file sql_layer.php in a somewhat cleaned-up version: </P
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><PRE
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CLASS="SCREEN"
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>sql_connect($host, $user, $password, $db) <A
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NAME="LOGIN"
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><IMG
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SRC="../images/callouts/1.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(1)"></A
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>
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sql_logout($id) <A
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NAME="DISCONNECT"
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><IMG
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SRC="../images/callouts/2.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(2)"></A
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>
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sql_query($query, $id) <A
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NAME="QUERY"
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><IMG
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SRC="../images/callouts/3.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(3)"></A
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>
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sql_num_rows($res) <A
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NAME="NUMROWS"
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><IMG
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SRC="../images/callouts/4.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(4)"></A
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>
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sql_fetch_row(&$res, $nr) <A
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NAME="FETCHROWS"
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><IMG
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SRC="../images/callouts/5.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(5)"></A
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>
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sql_fetch_array(&$res, $nr) <A
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NAME="FETCHARRAY"
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><IMG
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SRC="../images/callouts/6.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(6)"></A
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>
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sql_fetch_object(&$res, $nr) <A
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NAME="FETCHOBJECT"
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><IMG
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SRC="../images/callouts/7.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(7)"></A
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>
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sql_free_result($res) <A
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NAME="FREERESULT"
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><IMG
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SRC="../images/callouts/8.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(8)"></A
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></PRE
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><DIV
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CLASS="CALLOUTLIST"
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><DL
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COMPACT="COMPACT"
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><DT
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><A
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HREF="x2643.htm#LOGIN"
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><IMG
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SRC="../images/callouts/1.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(1)"></A
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></DT
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><DD
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> Log into the DB.
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</DD
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><DT
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><A
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HREF="x2643.htm#DISCONNECT"
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><IMG
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SRC="../images/callouts/2.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(2)"></A
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></DT
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><DD
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> Disconnect from the DB.
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</DD
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><DT
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><A
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HREF="x2643.htm#QUERY"
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><IMG
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SRC="../images/callouts/3.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(3)"></A
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></DT
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><DD
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> Query.
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</DD
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><DT
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><A
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HREF="x2643.htm#NUMROWS"
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><IMG
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SRC="../images/callouts/4.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(4)"></A
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></DT
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><DD
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> Number of Rows.
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</DD
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><DT
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><A
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HREF="x2643.htm#FETCHROWS"
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><IMG
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SRC="../images/callouts/5.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(5)"></A
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></DT
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><DD
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> Fetch Rows.
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</DD
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><DT
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><A
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HREF="x2643.htm#FETCHARRAY"
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><IMG
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SRC="../images/callouts/6.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(6)"></A
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></DT
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><DD
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> Fetch Array.
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</DD
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><DT
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><A
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HREF="x2643.htm#FETCHOBJECT"
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><IMG
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SRC="../images/callouts/7.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(7)"></A
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></DT
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><DD
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> Fetch Object.
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</DD
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><DT
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><A
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HREF="x2643.htm#FREERESULT"
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><IMG
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SRC="../images/callouts/8.gif"
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HSPACE="0"
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VSPACE="0"
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BORDER="0"
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ALT="(8)"></A
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></DT
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><DD
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> Free Result.
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</DD
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></DL
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></DIV
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><P
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>With this syntax you will be able to render all the modifications, blocks or modules you create compatible to all the databases supported by PHP-Nuke, which are:</P
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><P
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></P
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><UL
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><LI
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><P
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>MySQL</P
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></LI
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><LI
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><P
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>mSQL</P
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></LI
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><LI
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><P
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>PostgreSQL</P
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></LI
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><LI
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><P
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>PostgreSQL_local</P
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></LI
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><LI
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><P
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>ODBC</P
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></LI
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><LI
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><P
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>ODBC_Adabas</P
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></LI
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><LI
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><P
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>Interbase</P
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></LI
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><LI
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><P
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>Sybase</P
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></LI
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></UL
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></DIV
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><DIV
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CLASS="NAVFOOTER"
|
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><HR
|
|
ALIGN="LEFT"
|
|
WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
|
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><TD
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WIDTH="33%"
|
|
ALIGN="left"
|
|
VALIGN="top"
|
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><A
|
|
HREF="c2221.htm"
|
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ACCESSKEY="P"
|
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>Prev</A
|
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></TD
|
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><TD
|
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WIDTH="34%"
|
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="book1.htm"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="x2692.htm"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>Programmer's tools</TD
|
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="c2221.htm"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>PHPMyadmin, administering MySQL via web</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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