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<?php class wpdb { function bail() { wp_die(); } } function wp_die() { $stacktrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 2 ); $last = array_pop( $stacktrace ); var_dump($last); } function a() { b(); } function b() { c(); } function c() { d(); } function d() { $a = new wpdb(); $a->bail(); } a();
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { ["file"]=> string(9) "/in/FPvfn" ["line"]=> int(29) ["function"]=> string(4) "bail" ["class"]=> string(4) "wpdb" ["type"]=> string(2) "->" }

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