php調試打印堆棧的代碼

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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