php調試列印堆棧的代碼

Php代碼

<?php  // filename: /tmp/a.php         function a_test($str)  {      echo "\nHi: $str";      var_dump(debug_backtrace());  }         a_test('friend');  ?>         <?php  // filename: /tmp/b.php  include_once '/tmp/a.php';  ?>

結果

Php代碼

Hi: friend  array(2) {  [0]=>  array(4) {      ["file"] => string(10) "/tmp/a.php"    ["line"] => int(10)      ["function"] => string(6) "a_test"    ["args"]=>      array(1) {        [0] => &string(6) "friend"    }  }  // http://www.bianceng.cn[1]=>  array(4) {      ["file"] => string(10) "/tmp/b.php"    ["line"] => int(2)      ["args"] =>      array(1) {        [0] => string(10) "/tmp/a.php"    }      ["function"] => string(12) "include_once"  }  }

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