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<?php function foo() { $GLOBALS['stack'] = debug_backtrace(); } ob_start('foo'); ob_get_flush(); echo 1; print_r($stack);
Output for git.master, git.master_jit, rfc.property-hooks
1Array ( [0] => Array ( [function] => foo [args] => Array ( [0] => [1] => 9 ) ) [1] => Array ( [file] => /in/L2DMp [line] => 10 [function] => ob_get_flush [args] => Array ( ) ) )

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