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run code in 300+ PHP versions simultaneously
<?php /* wise bits */ const A = 0b00000001; const B = 0b00000010; $mask = A | B; var_dump($mask & A, $mask & B); $mask &= ~A; var_dump($mask & A, $mask & B);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.26, 8.4.1 - 8.4.13
int(1) int(2) int(0) int(2)
preferences:
127.13 ms | 408 KiB | 5 Q