📄 function.msql-query.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Send mSQL query</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.msql-pconnect.html">msql_pconnect</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.msql-regcase.html">msql_regcase</a></div> <div class="up"><a href="ref.msql.html">mSQL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.msql-query" class="refentry"> <div class="refnamediv"> <h1 class="refname">msql_query</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">msql_query</span> — <span class="dc-title">Send mSQL query</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>msql_query</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$query</tt></span> [, <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$link_identifier</tt></span> ] )</div> <p class="para rdfs-comment"> <b>msql_query()</b> sends a query to the currently active database on the server that's associated with the specified link identifier. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">query</tt></i></span> <dd> <p class="para"> The SQL query. </p> </dd> </dt> <dt><span class="term"><i><tt class="parameter">link_identifier</tt></i></span><dd><p class="para">The mSQL connection.If not specified, the last link opened by <a href="function.msql-connect.html" class="function">msql_connect()</a>is assumed. If no such link is found, the function will try to establish alink as if <a href="function.msql-connect.html" class="function">msql_connect()</a> was called, and use it.</p></dd></dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a positive mSQL query identifier on success, or <b><tt>FALSE</tt></b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>msql_query()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php <br />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">msql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbserver"</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"unable to connect to msql server: " </span><span style="color: #007700">. </span><span style="color: #0000BB">msql_error</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">msql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">"db"</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"unable to select database 'db': " </span><span style="color: #007700">. </span><span style="color: #0000BB">msql_error</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">msql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * FROM table WHERE id=1"</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> die(</span><span style="color: #DD0000">"query failed: " </span><span style="color: #007700">. </span><span style="color: #0000BB">msql_error</span><span style="color: #007700">());<br />}<br /><br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">msql_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"id"</span><span style="color: #007700">];<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.msql-db-query.html" class="function" rel="rdfs-seeAlso">msql_db_query()</a></li> <li class="member"><a href="function.msql-select-db.html" class="function" rel="rdfs-seeAlso">msql_select_db()</a></li> <li class="member"><a href="function.msql-connect.html" class="function" rel="rdfs-seeAlso">msql_connect()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.msql-pconnect.html">msql_pconnect</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.msql-regcase.html">msql_regcase</a></div> <div class="up"><a href="ref.msql.html">mSQL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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