📄 mysqli.set-local-infile-handler.html
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<dt> <span class="term"><i><tt class="parameter">buflen</tt></i></span> <dd><p class="para">The maximum number of characters to be stored in the buffer</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">&errormsg</tt></i></span> <dd><p class="para">If an error occures you can store an error message in here</p></dd> </dt> </dl> </dd> </dt> </dl> </p> <p class="para"> The callback function should return the number of characters stored in the <i><tt class="parameter">buffer</tt></i> or a negative value if an error occured. </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 /> $db </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_init</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">real_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,</span><span style="color: #DD0000">"root"</span><span style="color: #007700">,</span><span style="color: #DD0000">""</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /><br /> function </span><span style="color: #0000BB">callme</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, &</span><span style="color: #0000BB">$buffer</span><span style="color: #007700">, </span><span style="color: #0000BB">$buflen</span><span style="color: #007700">, &</span><span style="color: #0000BB">$errmsg</span><span style="color: #007700">)<br /> {<br /> </span><span style="color: #0000BB">$buffer </span><span style="color: #007700">= </span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /><br /> echo </span><span style="color: #0000BB">$buffer</span><span style="color: #007700">;<br /><br /> </span><span style="color: #FF8000">// convert to upper case and replace "," delimiter with [TAB]<br /> </span><span style="color: #0000BB">$buffer </span><span style="color: #007700">= </span><span style="color: #0000BB">strtoupper</span><span style="color: #007700">(</span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">","</span><span style="color: #007700">, </span><span style="color: #DD0000">"\t"</span><span style="color: #007700">, </span><span style="color: #0000BB">$buffer</span><span style="color: #007700">));<br /><br /> return </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$buffer</span><span style="color: #007700">);<br /> }<br /><br /><br /> echo </span><span style="color: #DD0000">"Input:\n"</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">set_local_infile_handler</span><span style="color: #007700">(</span><span style="color: #DD0000">"callme"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"LOAD DATA LOCAL INFILE 'input.txt' INTO TABLE t1"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">set_local_infile_default</span><span style="color: #007700">();<br /><br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * FROM t1"</span><span style="color: #007700">);<br /><br /> echo </span><span style="color: #DD0000">"\nResult:\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">$res</span><span style="color: #007700">-></span><span style="color: #0000BB">fetch_assoc</span><span style="color: #007700">()) {<br /> echo </span><span style="color: #0000BB">join</span><span style="color: #007700">(</span><span style="color: #DD0000">","</span><span style="color: #007700">, </span><span style="color: #0000BB">$row</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> }<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <div class="example"> <p><b>Example #2 Procedural style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /> $db </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_init</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">mysqli_real_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,</span><span style="color: #DD0000">"root"</span><span style="color: #007700">,</span><span style="color: #DD0000">""</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /><br /> function </span><span style="color: #0000BB">callme</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, &</span><span style="color: #0000BB">$buffer</span><span style="color: #007700">, </span><span style="color: #0000BB">$buflen</span><span style="color: #007700">, &</span><span style="color: #0000BB">$errmsg</span><span style="color: #007700">)<br /> {<br /> </span><span style="color: #0000BB">$buffer </span><span style="color: #007700">= </span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /><br /> echo </span><span style="color: #0000BB">$buffer</span><span style="color: #007700">;<br /><br /> </span><span style="color: #FF8000">// convert to upper case and replace "," delimiter with [TAB]<br /> </span><span style="color: #0000BB">$buffer </span><span style="color: #007700">= </span><span style="color: #0000BB">strtoupper</span><span style="color: #007700">(</span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">","</span><span style="color: #007700">, </span><span style="color: #DD0000">"\t"</span><span style="color: #007700">, </span><span style="color: #0000BB">$buffer</span><span style="color: #007700">));<br /><br /> return </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$buffer</span><span style="color: #007700">);<br /> }<br /><br /><br /> echo </span><span style="color: #DD0000">"Input:\n"</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">mysqli_set_local_infile_handler</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"callme"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">mysqli_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"LOAD DATA LOCAL INFILE 'input.txt' INTO TABLE t1"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">mysqli_set_local_infile_default</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT * FROM t1"</span><span style="color: #007700">);<br /><br /><br /> echo </span><span style="color: #DD0000">"\nResult:\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_fetch_assoc</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #0000BB">join</span><span style="color: #007700">(</span><span style="color: #DD0000">","</span><span style="color: #007700">, </span><span style="color: #0000BB">$row</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> }<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para">The above example will output:</p> <div class="example-contents"><pre><div class="cdata"><pre>Input:23,foo42,barOutput:23,FOO42,BAR</pre></div> </pre></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="mysqli.set-local-infile-default.html" class="function" rel="rdfs-seeAlso">mysqli_set_local_infile_default()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.set-local-infile-default.html">mysqli::set_local_infile_default</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.sqlstate.html">mysqli->sqlstate</a></div> <div class="up"><a href="class.mysqli.html">MySQLi</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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