PHP函数debug_backtrace介绍
定义和用法
PHP debug_backtrace() 函数生成一个 backtrace。
该函数返回一个关联数组。下面是可能返回的元素:
语法
debug_backtrace()
例子
<?phpfunction one($str1, $str2) { two("Glenn", "Quagmire"); }function two($str1, $str2) { three("Cleveland", "Brown"); }function three($str1, $str2) { print_r(debug_backtrace()); }one("Peter", "Griffin");?>
输出:
Array([0] => Array ( [file] => C:webfoldertest.php [line] => 7 [function] => three [args] => Array ( [0] => Cleveland [1] => Brown ) )[1] => Array ( [file] => C:webfoldertest.php [line] => 3 [function] => two [args] => Array ( [0] => Glenn [1] => Quagmire ) ) [2] => Array ( [file] => C:webfoldertest.php [line] => 14 [function] => one [args] => Array ( [0] => Peter [1] => Griffin ) ))
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