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<?php var_dump(array_unique([ false,0,'',null] )); var_dump(false === null); var_dump(false === 0);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(2) { [0]=> bool(false) [1]=> int(0) } bool(false) bool(false)
preferences:
162.09 ms | 404 KiB | 187 Q