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<?php namespace A { function print_r($x) { print 'No print_r for you!'.PHP_EOL; } } namespace A { $x = []; print_r($x); } // It looks like it, but // A\B is not a child of A!! namespace A\B { // Just print_r for you, with fallback print_r($x); } ?>
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
No print_r for you! Array ( )
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53.82 ms | 868 KiB | 4 Q