debug_backtrace() generates a PHP backtrace and returns this information as an associative array. The possible returned elements are listed in the following table:
Table 1. Possible returned elements from debug_backtrace()
Name | Type | Description |
---|---|---|
function | string | The current function name. See also __FUNCTION__. |
line | integer | The current line number. See also __LINE__. |
file | string | The current file name. See also __FILE__. |
class | string | The current class name. See also __CLASS__ |
type | string | The current call type. If a method call, "->" is returned. If a static method call, "::" is returned. If a function call, nothing is returned. |
args | array | If inside a function, this lists the functions arguments. If inside an included file, this lists the included file name(s). |
The following is a simple example.
See also trigger_error() and debug_print_backtrace().