debug_print_backtrace() 函数输出 backtrace。
debug_print_backtrace()
<?php function one($str1, $str2) { two("Glenn", "Quagmire"); } function two($str1, $str2) { three("Cleveland", "Brown"); } function three($str1, $str2) { debug_print_backtrace(); } one("Peter", "Griffin"); ?>
输出:
#0 three(Cleveland, Brown) called at [C:\webfolder\test.php:8] #1 two(Glenn, Quagmire) called at [C:\webfolder\test.php:4] #2 one(Peter, Griffin) called at [C:\webfolder\test.php:15]