<?php $a = 0x40; $b = ~$a; // flip bits, i.e. 2s complement so -$a and then minus 1 var_dump("var_dump: $b"); // -65 printf("\nprintf: %d\n\n", $b); var_dump( base_convert($b, 10, 2) ); // 65 // **************************// // should be: printf("\nprintf: %b\n\n", $b); echo hex2bin(0x40);
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