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php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>debug_print_backtrace</H1
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>    (PHP 5)</P
>debug_print_backtrace&nbsp;--&nbsp;
     Prints a backtrace
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><H2
>说明</H2
>void <B
CLASS="methodname"
>debug_print_backtrace</B
> ( void  )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>debug_print_backtrace()</B
> prints a PHP backtrace. It
     prints the function calls, included/required files and
     <A
HREF="function.eval.html"
><B
CLASS="function"
>eval()</B
></A
>ed stuff.
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><H2
>参数</H2
><P
>&#13;     This function has no parameters.
    </P
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><H2
>返回值</H2
><P
>&#13;     无返回值。
    </P
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><H2
>范例</H2
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><B
>例 1. <B
CLASS="function"
>debug_print_backtrace()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// include.php file<br /><br /></font><font color="#007700">function </font><font color="#0000BB">a</font><font color="#007700">() {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">b</font><font color="#007700">();<br />}<br /><br />function </font><font color="#0000BB">b</font><font color="#007700">() {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">c</font><font color="#007700">();<br />}<br /><br />function </font><font color="#0000BB">c</font><font color="#007700">(){<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">debug_print_backtrace</font><font color="#007700">();<br />}<br /><br /></font><font color="#0000BB">a</font><font color="#007700">();<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// test.php file<br />// this is the file you should run<br /><br /></font><font color="#007700">include </font><font color="#DD0000">'include.php'</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>上例的输出类似于：</P
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>#0  eval() called at [/tmp/include.php:5]
#1  a() called at [/tmp/include.php:17]
#2  include(/tmp/include.php) called at [/tmp/test.php:3]

#0  c() called at [/tmp/include.php:10]
#1  b() called at [/tmp/include.php:6]
#2  a() called at [/tmp/include.php:17]
#3  include(/tmp/include.php) called at [/tmp/test.php:3]</PRE
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>参见</H2
><P
>&#13;    <P
></P
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><A
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