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<?php class c { function m() { f(); } } function f() { print_r(debug_backtrace()); } (new c)->m(); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [file] => /in/ZqR8C [line] => 5 [function] => f [args] => Array ( ) ) [1] => Array ( [file] => /in/ZqR8C [line] => 13 [function] => m [class] => c [object] => c Object ( ) [type] => -> [args] => Array ( ) ) )

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