<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pg_send_execute</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="PostgreSQL 数据库函数" HREF="ref.pgsql.html"><LINK REL="PREVIOUS" TITLE="pg_select" HREF="function.pg-select.html"><LINK REL="NEXT" TITLE="pg_send_prepare" HREF="function.pg-send-prepare.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.pg-select.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.pg-send-prepare.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-send-execute" ></A >pg_send_execute</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN186856" ></A ><P > (PHP 5 >= 5.1.0RC1)</P >pg_send_execute -- Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).</DIV ><DIV CLASS="refsect1" ><A NAME="AEN186859" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >pg_send_execute</B > ( resource connection, string stmtname, array params )<BR ></BR ><P > Sends a request to execute a prepared statement with given parameters, without waiting for the result(s). </P ><P > This is similar to <A HREF="function.pg-send-query-params.html" ><B CLASS="function" >pg_send_query_params()</B ></A >, but the command to be executed is specified by naming a previously-prepared statement, instead of giving a query string. The function's parameters are handled identically to <A HREF="function.pg-execute.html" ><B CLASS="function" >pg_execute()</B ></A >. Like <A HREF="function.pg-execute.html" ><B CLASS="function" >pg_execute()</B ></A >, it will not work on pre-7.4 versions of PostgreSQL. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN186878" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >connection</CODE ></DT ><DD ><P > PostgreSQL database connection resource. When <CODE CLASS="parameter" >connection</CODE > is not present, the default connection is used. The default connection is the last connection made by <A HREF="function.pg-connect.html" ><B CLASS="function" >pg_connect()</B ></A > or <A HREF="function.pg-pconnect.html" ><B CLASS="function" >pg_pconnect()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >stmtname</CODE ></DT ><DD ><P > The name of the prepared statement to execute. if "" is specified, then the unnamed statement is executed. The name must have been previously prepared using <A HREF="function.pg-prepare.html" ><B CLASS="function" >pg_prepare()</B ></A >, <A HREF="function.pg-send-prepare.html" ><B CLASS="function" >pg_send_prepare()</B ></A > or a <TT CLASS="literal" >PREPARE</TT > SQL command. </P ></DD ><DT ><CODE CLASS="parameter" >params</CODE ></DT ><DD ><P > An array of parameter values to substitute for the $1, $2, etc. placeholders in the original prepared query string. The number of elements in the array must match the number of placeholders. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN186903" ></A ><H2 >返回值</H2 ><P >Returns <TT CLASS="constant" ><B >TRUE</B ></TT > on success, <TT CLASS="constant" ><B >FALSE</B ></TT > on failure. Use <A HREF="function.pg-get-result.html" ><B CLASS="function" >pg_get_result()</B ></A > to determine the query result.</P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN186909" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN186912" ></A ><P ><B >例 1. Using <B CLASS="function" >pg_send_execute()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /> $dbconn </font><font color="#007700">= </font><font color="#0000BB">pg_connect</font><font color="#007700">(</font><font color="#DD0000">"dbname=publisher"</font><font color="#007700">) or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">// Prepare a query for execution<br /> </font><font color="#007700">if (!</font><font color="#0000BB">pg_connection_busy</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">)) {<br /> </font><font color="#0000BB">pg_send_prepare</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"my_query"</font><font color="#007700">, </font><font color="#DD0000">'SELECT * FROM shops WHERE name = $1'</font><font color="#007700">);<br /> </font><font color="#0000BB">$res1 </font><font color="#007700">= </font><font color="#0000BB">pg_get_result</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">);<br /> }<br /><br /> </font><font color="#FF8000">// Execute the prepared query. Note that it is not necessary to escape<br /> // the string "Joe's Widgets" in any way<br /> </font><font color="#007700">if (!</font><font color="#0000BB">pg_connection_busy</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">)) {<br /> </font><font color="#0000BB">pg_send_execute</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"my_query"</font><font color="#007700">, array(</font><font color="#DD0000">"Joe's Widgets"</font><font color="#007700">));<br /> </font><font color="#0000BB">$res2 </font><font color="#007700">= </font><font color="#0000BB">pg_get_result</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">);<br /> }<br /> <br /> </font><font color="#FF8000">// Execute the same prepared query, this time with a different parameter<br /> </font><font color="#007700">if (!</font><font color="#0000BB">pg_connection_busy</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">)) {<br /> </font><font color="#0000BB">pg_send_execute</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"my_query"</font><font color="#007700">, array(</font><font color="#DD0000">"Clothes Clothes Clothes"</font><font color="#007700">));<br /> </font><font color="#0000BB">$res3 </font><font color="#007700">= </font><font color="#0000BB">pg_get_result</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">);<br /> }<br /> <br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN186916" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.pg-prepare.html" ><B CLASS="function" >pg_prepare()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.pg-send-prepare.html" ><B CLASS="function" >pg_send_prepare()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.pg-execute.html" ><B CLASS="function" >pg_execute()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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-select.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.pg-send-prepare.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_select</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pgsql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pg_send_prepare</TD ></TR ></TABLE ></DIV ></BODY ></HTML >