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<?php function userland_func_get_arg($idx) { return isset(debug_backtrace()[1]['args'][$idx]) ? debug_backtrace()[1]['args'][$idx] : false; } function foo() { return func_get_arg(0); } function bar() { return userland_func_get_arg(0); } var_dump(foo('foo', 'bar')); var_dump(bar('foo', 'bar'));
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "foo" string(3) "foo"

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