📄 function.maxdb-debug.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>Performs debugging operations</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.maxdb-data-seek.html">maxdb_data_seek</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.maxdb-disable-reads-from-master.html">maxdb_disable_reads_from_master</a></div> <div class="up"><a href="ref.maxdb.html">MaxDB Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.maxdb-debug" class="refentry"> <div class="refnamediv"> <h1 class="refname">maxdb_debug</h1> <p class="verinfo">(PECL maxdb:1.0-7.6.00.38)</p><p class="refpurpose"><span class="refname">maxdb_debug</span> — <span class="dc-title">Performs debugging operations</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><span class="type void">void</span></span> <span class="methodname"><b><b>maxdb_debug</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$debug</tt></span> )</div> <p class="para rdfs-comment"> The <b>maxdb_debug()</b> can be used to trace the SQLDBC communication. The following strings can be used as a parameter to <b>maxdb_debug()</b>: </p> <ul class="simplelist"> <li class="member">TRACE SHORT ON|OFF - Enables/disables method call trace.</li> <li class="member">TRACE LONG ON|OFF - Enables/disables method argument and detail debug trace.</li> <li class="member">TRACE PACKET ON|OFF|<size> - Enables/disables packet trace, limiting the size of the traced object to the specified number of bytes, or 1000 if no size is specified.</li> <li class="member">TRACE SQL ON|OFF - Enables/disables high level api trace.</li> <li class="member">TRACE TIMESTAMP ON|OFF - Enables/disables a timestamp prefix on each line that is traced.</li> <li class="member">TRACE SIZE <size> - Limits the size of the trace file to <size> bytes, at least 8192 bytes are required.</li> </ul> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <b>maxdb_debug()</b> doesn't return any value. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 Procedural style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />maxdb_debug</span><span style="color: #007700">(</span><span style="color: #DD0000">"trace packet 200"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"RED"</span><span style="color: #007700">, </span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">maxdb_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para"> The above example produces no output. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.maxdb-data-seek.html">maxdb_data_seek</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.maxdb-disable-reads-from-master.html">maxdb_disable_reads_from_master</a></div> <div class="up"><a href="ref.maxdb.html">MaxDB 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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