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<?php $a = 0x80; var_dump(base_convert(0x80,16,10)); $converted_a = base_convert($a, 16, 2); var_dump($converted_a); $b = ~$a; // -$a -1 or -297 $converted_b = base_convert($b, 16, 2); printf("%b", $converted_b); echo "\n";
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "296" string(9) "100101000" Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /in/2dhU9 on line 10 101111101110110101110001001
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.26
string(3) "296" string(9) "100101000" 101111101110110101110001001

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