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<?php function a() { $a = &$b; $b = &$c[0]; var_dump(get_defined_vars()); } a();
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(3) { ["a"]=> NULL ["b"]=> &NULL ["c"]=> array(1) { [0]=> &NULL } }
preferences:
158.99 ms | 408 KiB | 5 Q