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<?php $func = function($param, $block) { echo $block($param); }; $another_func = function() { $block = function($param) { echo $param; }; $func("Hello", $block); }; $another_func(); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $func in /in/kvuU4 on line 15 Fatal error: Uncaught Error: Value of type null is not callable in /in/kvuU4:15 Stack trace: #0 /in/kvuU4(18): {closure}() #1 {main} thrown in /in/kvuU4 on line 15
Process exited with code 255.

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