3v4l.org

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<?php $a = "0x80"; var_dump(base_convert($a, 16, 2),$a); printf("%b",$a); echo "\n\n"; $b = -$a; var_dump(base_convert($b, 16, 2), $b); printf("%b", $b); echo "\n"; $c = 100; $d = ~$c; var_dump($c,$d); echo $c + $d; echo "\n\n"; $a = 0x80; var_dump($a,base_convert($a, 16, 2)); var_dump( hexdec("0x80") );
Output for git.master, git.master_jit, rfc.property-hooks
string(8) "10000000" string(4) "0x80" 0 Warning: A non-numeric value encountered in /in/R6meL on line 6 string(1) "0" int(0) 0 int(100) int(-101) -1 int(128) string(9) "100101000" int(128)

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