<?php class TestClass { function test_method($str) { var_dump( debug_backtrace() ); } } function test_func($param1, $param2) { $obj = new TestClass(); $obj->test_method("ABC"); } test_func("ZZZ","XXX"); ?> ●実行結果 array(2) { [0]=> array(7) { ["file"]=> string(21) "C:\php\develop\t1.php" ["line"]=> int(10) ["function"]=> string(11) "test_method" ["class"]=> string(9) "TestClass" ["object"]=> object(T