mysqli-stmt.send-long-data.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 data in blocks</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="mysqli-stmt.result-metadata.html">mysqli_stmt::result_metadata</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli-stmt.sqlstate.html">mysqli_stmt::sqlstate</a></div> <div class="up"><a href="class.mysqli-stmt.html">MySQLi_STMT</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="mysqli-stmt.send-long-data" class="refentry"> <div class="refnamediv"> <h1 class="refname">mysqli_stmt::send_long_data</h1> <h1 class="refname">mysqli_stmt_send_long_data</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">mysqli_stmt::send_long_data</span> -- <span class="refname">mysqli_stmt_send_long_data</span> — <span class="dc-title">Send data in blocks</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para">Object oriented style (method)</p> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>mysqli_stmt::send_long_data</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$param_nr</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> )</div> <p class="para rdfs-comment">Procedural style:</p> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>mysqli_stmt_send_long_data</b></b></span> ( <span class="methodparam"><span class="type"><span class="type mysqli_stmt">mysqli_stmt</span></span> <tt class="parameter">$stmt</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$param_nr</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> )</div> <p class="para rdfs-comment"> Allows to send parameter data to the server in pieces (or chunks), e.g. if the size of a blob exceeds the size of <i>max_allowed_packet</i>. This function can be called multiple times to send the parts of a character or binary data value for a column, which must be one of the TEXT or BLOB datatypes. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">stmt</tt></i></span><dd><p class="para">Procedural style only: A statement identifierreturned by <a href="mysqli.stmt-init.html" class="function">mysqli_stmt_init()</a>.</p></dd></dt> <dt> <span class="term"><i><tt class="parameter">param_nr</tt></i></span> <dd> <p class="para"> Indicates which parameter to associate the data with. Parameters are numbered beginning with 0. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">data</tt></i></span> <dd> <p class="para"> A string containing data to be sent. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 Object oriented style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">prepare</span><span style="color: #007700">(</span><span style="color: #DD0000">"INSERT INTO messages (message) VALUES (?)"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$null </span><span style="color: #007700">= </span><span style="color: #0000BB">NULL</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">bind_param</span><span style="color: #007700">(</span><span style="color: #DD0000">"b"</span><span style="color: #007700">, </span><span style="color: #0000BB">$null</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"messages.txt"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br />while (!</span><span style="color: #0000BB">feof</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">send_long_data</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">fread</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">, </span><span style="color: #0000BB">8192</span><span style="color: #007700">));<br />}<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="mysqli.prepare.html" class="function" rel="rdfs-seeAlso">mysqli_prepare()</a></li> <li class="member"><a href="mysqli-stmt.bind-param.html" class="function" rel="rdfs-seeAlso">mysqli_stmt_bind_param()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli-stmt.result-metadata.html">mysqli_stmt::result_metadata</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli-stmt.sqlstate.html">mysqli_stmt::sqlstate</a></div> <div class="up"><a href="class.mysqli-stmt.html">MySQLi_STMT</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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