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<?php const FLAG_1 = 0b0001; // 1 const FLAG_2 = 0b0010; // 2 const FLAG_3 = 0b0100; // 4 const FLAG_4 = 0b1000; // 8 // Can you see the pattern? ;-) function show_flags ($flags) { if ($flags & FLAG_1) { echo "You passed flag 1!<br>\n"; } if ($flags & FLAG_2) { echo "You passed flag 2!<br>\n"; } if ($flags & FLAG_3) { echo "You passed flag 3!<br>\n"; } if ($flags & FLAG_4) { echo "You passed flag 4!<br>\n"; } } show_flags(2 | 1 | FLAG_3); echo 4 == FLAG_3;
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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 - 8.3.6
You passed flag 1!<br> You passed flag 2!<br> You passed flag 3!<br> 1

preferences:
194.9 ms | 404 KiB | 240 Q